68
llfliA" SERVICE MANUAL SEGA SATURN (PAL) NO. 013- 1 ISSUED JUNE, 1995 CONTENTS 1. SPECIFICATIONS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 3 2. IDENTIFYING PARTS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 4 3. ACCESSORIES· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 5 4. IDENTIFICATIONS AND LOCATIONS OF CIRCUIT BOARDS · · · · 5 5. DISASSEMBLY PROCEDURE································· 6 6. CD DRIVE MAINTENANCE AND ADJUSTMENT· · · · · · · · · · · · · · · · 8 7. BLOCK DIAGRAM · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 11 8. SCHEMATIC DIAGRAMS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 13 9. CIRCUIT BOARD DIAGRAMS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 27 10. PARTS SPECIFICATIONS .. ··· .. · .. · .. ··· .... ····· .. ···· .. · .. 32 11. EXPLODED VIEW & PARTS LIST · .. · · .. · · ...... · .. · ...... · .. 70 11-1. Exploded View··········································· 70 11-2. Mechanical Parts List · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 71 11-3. Electrical Parts List · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 72 11-4. Accessories/Package list · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 77 Sega Enterprises, Ltd.

llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

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Page 1: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

llfliA" SERVICE MANUAL SEGA SATURN (PAL)

NO. 013- 1

ISSUED JUNE, 1995

CONTENTS

1. SPECIFICATIONS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 3

2. IDENTIFYING PARTS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 4

3. ACCESSORIES· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 5

4. IDENTIFICATIONS AND LOCATIONS OF CIRCUIT BOARDS · · · · 5

5. DISASSEMBLY PROCEDURE································· 6

6. CD DRIVE MAINTENANCE AND ADJUSTMENT· · · · · · · · · · · · · · · · 8

7. BLOCK DIAGRAM · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 11

8. SCHEMATIC DIAGRAMS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 13

9. CIRCUIT BOARD DIAGRAMS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 27

10. PARTS SPECIFICATIONS .. ··· .. · .. · .. ··· .... ····· .. ···· .. · .. 32

11. EXPLODED VIEW & PARTS LIST · .. · · .. · · ...... · .. · ...... · .. 70

11-1. Exploded View··········································· 70

11-2. Mechanical Parts List · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 71

11-3. Electrical Parts List · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 72

11-4. Accessories/Package list · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 77

Sega Enterprises, Ltd.

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PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully the instructions below when servicing.

Warning When servicing, do not approach the laser exit with the eye too closely. In case it is necessary to confirm laser beam emission. Be sure to observe from a distance of more than 30 em from the surface of the objective lens on the optical pick-up block.

£ Cautio"' Invisible laser radiation when open and interlocks defeated avoid exposure to beam

Caution Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

This console is classified as a CLASS 1 LASER product.

SAFETY PRECAUTIONS Notice: Comply with all cautions and safety related notes located on or inside the cabinet and on the chassis. I. When replacing a chassis in the console, all the protective devices must be put back in place, such as barriers, non-metallic

knobs, adjustment and compartment covers/shields, isolation resistors/capacitors, etc. ' When service is required, observe the original lead-dress. Extra precautions should be taken to assure correct lead dress in

the high voltage circuit. 3. Always use the manufacturer's replacement components. Especially critical components as indicated on the circuit diagram

should not be replaced by other manufacturer's. Furthermore, where a short-circuit has occurred, replace those components that indicate evidence of overheating.

PRODUCT SAFETY NOTICE Many electrical and mechanical parts have special safety-related characteristics. These are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this Service Manual. Electrical components having such features are identified by marking with a it, in the parts list in this Service Manual. The use of a substitute replacement component which does not have the same safety characteristics as the SEGA recommended replacement one, shown in the parts list in this Se[Vice Manual, may create shock, fire, or other hazards. Product Safety is continuously under review and new instructions are issued from time to time.

CAUTION ON FUSE REPLACEMENT Caution: For continued protection against risk of fire, replace only with same type, amperage, volt fuse. Attention: Afin d'assurer une protection permanente contre tout risque d'amon;age electrique, replacer uniquement

par un fusible de meme type et de amperes volts.

8 This symbol indicates a Fast Operating Type Fuse .

.8. This symbol indicates a Time Lag Type Fuse.

-2-

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Audio CD:

SATURN COMPATABILITY

The normal audio Compact Disc is playable on the Saturn machine, and can be altered with all the effects of a modern Hi-fi and more. Surround sound, vocal cut-out for Karaoke, program sequence of tracks and shuffle to name but a few. You need no extra equipment to play music CDs on your Saturn.

CD+G:

CD and Graphics are a format where simple visuals can appear on the screen that relate to the music. These visuals might include stills of the band, or other pictures. You need to buy no extra equipment to use CD+G on your Saturn.

CD+EG:

CD and extended graphics is a new medium ready to be utilised by the music community. It is basically an enhanced version of what is described above in CD+G. You need no extra equipment to use CD+EG on your Saturn.

MPEG:

MPEG is the standard industry format for compressing Full Motion Video footage. This means that the footage takes up less disk space, and when it is to be viewed, the MPEG program decodes the footage and plays it on screen. The MPEG add-on is needed in order to use the MPEG video CDs and Philips CDi. At the current rate of compression one movie can fit on two CDs.

', I

Developed by Philips, CDi is an interactive CD format that can be used in a variety of educational and entertainment purposes. Using video footage and CD quality sound CDi has become an industry leader in the field of interactive fun._ The MPEG add-on is required to access the full range of CDi software

Kodak Photo CD:

Photos stored on CD have theoretically infmite life, are always picture perfect and will never fade or be otherwise damaged. The Saturn can access Kodak Photo CDs with the use of another Saturn CD which allows the user to see display the photos in various ways. There are many Kodak Photo CD stores open in the major cities.

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Frame Buffering: A technique to maximise graphic display performance by letting the graphics processor chip "set aside" images it has already calculated, allowing it to work on enerating the next fraction of a seconds visual images, all while the screen is still busy painting the last fraction of a second's display.

Playfields: The background(s), anything that is on screen that it not a . sprite. When two playfields (layers of bacground) are contolled properly, parrallax scrolling can result.The Sega Saturn has a whole chip dedicated to controllingbackgrounds (the VDP2 or Video Display Processor 2") that can generate 5 distict layers of background at the same time.

Polygons/Second: (1000's of) The number of polygons of a given size that can be drawn on the screen in one second. This figure does not include the size of the polygons, nor their texturing, shading, or lighting.

Realtime: An important adjective that usually indicates the game display is being re-calculated every second, taking into account the full effects of the player's actions. When reffering to a game's response or speed, it means the game responds instantly to the player's commands.

Render: Drawing 3D graphical objects on a computer or game machine. "BUG" and "Clockwork Knight" are filled with beautifully rendered characters.

Texture Mapping: Copying a bit-map onto the faces of selected polygons to give the illusion of surface texture. "Daytona USA" is a great example of a texture mapped game.

Wireframe: A connect the dots approach to showing graphical objects by drawing lines between sets of points that make up a geometric outline.

Dynamic Perspective: Constantly changing the point of view ("camera angle") so that the players feel that they are weaving in and around the on-screen action. Typically requires strong scaling and rotational capabilities. This can be seen on Sega Sports games on Saturn.

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1. SPECIFICATIONS

Ratings

Model MK - 80200-50

Power supply AC220-240 V 50/60 Hz

Power consumption Approx. 20W

Operating environment Temperature 5 °C to 35 °C HumiditylO% to 80% RH (no condensation)

Dimensions 260 mm(W) X 230 mm(L) X 83 mm(H) (10.2 inches) x (9.0 inches) x (3.2 inches)

Specifications

Master 32bit RISC SH2 (28.4 MHz, 25MIPS)

CPU Slave 32bit RISC SH2 (28.4 MHz, 25MIPS)

Sound 68ECOOO (11.3 MHz)

Work RAM 16 Mbit

Video RAM 12 Mbit

Sound RAM 4Mbit Memories

CD Buffer RAM 4Mbit

IPLROM 4Mbit

Backup RAM 256 Kbit

Resolution 320 x 224 dot etc.

Graphics Colors 1024/2048 (16,770,000 simultaneous transmission)

Sprite Enlargement, Reducation, Rotation, Transformation

5 screen maximum

XY Scroll 4

Rotation 2

Enlargement I reduction 2 Scroll

Windo~ 2

Vertical cell scroll

Special features Lateral line scroll

Enlargement I reduction

Polygons Specialized hardware

Wire frame CG Functions

Special features Flat shading

Gouraud shading

32 channels

Sound PCM & FM sound source 16 bit sampling Sampling rate 44.1 kHz max. AudioDSP

CD-ROM Intelligent double-speed CD drive

[Note] Characteristics and specifications may be changed without notice.

-3-

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2. IDENTIFYING PARTS

2-1. Front View of Console 2-3. Control pad

OPEN Button Cartridge Slot

ACCESS Light

CONTROL PORT 1 CONTROL PORT 2

2-2. Back View of Console

Master Reset Switch

DIRECTIONAL Button START Button

2

RIGHT SHIFT Button

A Button B Button C Button

POWER Jack

AN OUT Jack

-4-

Page 7: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

3. ACCESSORIES

Positive Side

B Lithium Battery (CR2032) RGB Cable

AC Cable [UK] AC Cable [SOE] AC Cable [AUSTRALIA]

4. IDENTIFICATIONS AND LOCATIONS OF CIRCUIT BOARDS

CD Drive Unit

P. SW Board

Main Board

R. SW Board

Fig. 4-1

-5-

Page 8: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

5. DISASSEMBLY PROCEDURE 5-1. Top Case Removal

1) Remove six screws ® and then the top case in the direction of the arrow.

Fig. 5-1

5-2. CD Compartment lid Removal 1) Remove two screws ® and then the bracket lid CD

spring. 2) Remove spring © . 3) Remove two screws@ and then the oil dumper. 4) Push the lever in the direction of arrow ® to

release the boss and then push the lever in the direction of arrow ® to remove the CD compart­ment lid.

Fig. 5-2

5·3. CD Drive Unit Removal 1). Disconnect two connectors and one flat cable. 2) Remove the CD drive unit in the direction of arrow

©.

Fig. 5-3

5-4. SH-1 Board Removal

-6-

l) Remove four screws ® and then the top shield plate.

2) Remove screw CD and release three tabs, then lift the SH-1 board in the direction of arrow Q) to remove it.

Fig. 5-4

Page 9: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

5-5. Main Board Removal 1) Remove four screws ® holding the CD drive

unit supports. 2) Remove five screws © and then the main board.

Fig. 5-5

5·6. Power, Power Indicator and R. SW Boards Removal

I) Remove three screws If@ and then the power

board.

2) Remove screw ® and then the power indicator

board.

3) Remove two screws @ and then the R. SW board.

R.SWBoard

Fig. 5-6

-7-

Page 10: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

6. CD DRIVE MAINTENANCE AND ADJUSTMENT

6-1. Maintenance of Pickup

I) Checking the laser diode

As the laser diode wears out, the RF level

(amplitude of eye pattern) becomes lower.

Check that the RF level is 0.8V - l.4Vp-p during

maintenance. If the RF level is less that 0.8Vp-p

then the pickup should be replaced.

2) Variable resistor on the APC board

The variable resistor attached to the pickup on the

APC board is used to adjust the output power of the

laser. This adjustment is done at the facto!}' and

can not be performed in the field. If the laser's

output power is low, the laser diode has worn out

and should be replaced. Adjusting this variable

resistor may cause damage to the laser diode.

6-2. Laser Pickup Replacement Procedure

-8-

Turn the power switch off and unplug the power cord from the AC outlet.

1 Replace the pickup.

1 Set the door close detection switch to on manually and turn the power switch on. Check that the laser emits light for approx. 3 seconds and the pickup lens moves up and down.

[Note] Be careful not to bring your eyes too near to the laser and do not look straight at it as this is dangerous.

l Check the FE bias.

I Adjust the focus gain.

1 Adjust the TE balance.

l Adjust the tracking gain.

I f

Check that the eye pattern waveform can be

observed at the RF test point. (0.8-1.4Vp-p)

I i

Replacement complete

[Note] Since the adjutments influence each other, it may be necessal}' to repeat them 2 to 3 times. times.

Page 11: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

Adjustment Preparation Apply markings to the positions of the variable resistors

before adjustment. If the adjustment are out of the

specifidtions, the following symptoms may occur.

[Focus gain] If the focus adjustment is too low the pickup lens will not

be able to focus properly and the disk will not rotate. If the

adjustment is too high portions of a track may be skipped

and noise will increase.

[Tracking gain] If the tracking adjustment is too low the drive is more

susceptable to shocks or bumps, portions of a track may be

skipped or the disk time counter may stop.

If the adjustment is too high the pickup lens may oscillate

leading to unstable or distorted sound.

The focus and tracking adjustments are done so as to

mutually satisfy conflicting characteristics.

6-3. Test equipment and tools necessary for adjustment

I. Oscilloscope

2. DC voltmeter

3. Non-metallic adjustment screwdriver

4. Test CD (A-BEC TCD-792A)

6-4. CD Drive Unit Adjustment Proce­dure

r--------------------------, : : , , ' I ' ' I ' ' ' : $ ~-- ____ B ____________ r ____ !

IC201 ! \ €>C401 'I

'' '' ' ' I I

' ' I I

' ' ' ' ' ' ' ' : '

'

10k Q

FEIN

vc

10k Q

BPI.._

0

IW Fig. 6-2

Oscilloscope

Fig. 6-3 ' r----------------- '-------------------------------------------------------··---------------------------------------

R104 R111 R113 R118 R114

t:rn ~ L@] I BPij I F. OFFI FE IN. GND

Fig. 6-1

-9-

6-4-1. FE (Focus Error) bias adjustment and focus gain adjustment

I. Connect the oscilloscope to test point FE IN as

shown in Fig. 6-2.

2. Turn the power switch on and set the CD drive to

the stop mode.

3. Adjust Rll4 (FE bios) so the DC voltage at the

test point (FE IN) is OV.

4. Play the first track of the test CD and adjust

Rill (Focus gain) so the DC voltage is - 7mV.

6-4-2. FE balance and tracking gain adjustments

I. Connect the oscilloscope to test point BP IN as

shown in Fig. 6-3.

2. Turn the power switch on and play the first track

of the test CD.

3. After play has begun, connect the TEST pin to

GND.

4. Adjust RI04 (FE balance) so the center voltage

of the waveform is OV.

5. Adjust Rll3 (tracking gain) so the amplitude of

the wavefonn is 0.4V as in Fig. 6-4.

Fig. 6-4

-10-

Page 12: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

2

3

4

5

6

7. BLOCK DIAGRAM

CLOCK!

POWER SUPPLY BOARD

/CN3 t +9V (CO DRIVE. FOR PLLlUSED FOR THE POWER SUPPLY +SV (VCC. AVCC2l USED FOR ALL CHIPS OTHER THAN SDRAM +3 3V ~VCD USED FOR SDRAM ..__ _ __,

fCtRTRI DGE CONNECTOR L CNl

I ~XBGO-EXBG2~ t__~.:.::.:;.:.......:-=-::=-:.:_--l,~ I 0 [)

SHI ~ BOARD CONNECTOR

.-----------------· 1 MPEG 1 1 CO~TOR 1 I ~103) I I I I I I I

I lJ I I I I ~ I 1 OCU I

14 ~ PLL ~~~~~~~t~ I C20 MCLKO MCLKI

~ J ,I 1 ~t~l 1. UP TO S BACKGROUND SCREENS (SCROLL SCREENS)

•DISPLAY PRIORITY ·CAN MOVE SCREEN UP. DOWN. RIGHT. LEFT. ROTATE MAGNIFY AND REDUCE

•COLOR OFFSET

I IC301 I I I I I I I I I 1 _ SHl 1 1 1----. IC!OI I I I

I \ ~:1 (Ng~o8~~Dl /'1/ NTs/ // DOTSEL EXTCLK

·SHADOW

• OSP FUNC Tl ONS LIKE CO-PROCESSOR FOR SH2

• INTERNAL WORK RAM

D. AUDIO t__---+---t MULTIPLEX

IC33

1 _ BUFFER ---.. RAM

I CI02

4Mb it

I I I I

·28. 6MHz 32bit RISC CPU

·4Kbyte CACHE • INTERNAL MATH PROCESSOR

•32bit INTERNAL/EXTERNAL

.---·j SH2 (MASTERl

!Cl

A-BUS ( ADO-AD IS. AAO-AA25.)

;,..__ ____ ...., A-CONTROL \ scu 1+----------\\--L__----f---+--_j

~--------.--------+! ·DSP ([ 4 3MHz)

J~~~~--- -1~102~--- -~ J

SH2 J (SLAVE:) IC2

L---..

C-BUS

( CDO-CD3l. ) -CAO-CA24. CONTROL

DCC IC6

[-----.

-

f-----.

WORK RAM HIGH IC3 -4Mb it

(SORAMl

WORK -4Mb it RAM HIGH IC4

(SDRAMl

·3DMA CHANNELS I CS 1------,-----~,-------r-t------t---1 SCSP DAC

B-BUS 1 ' IC17 IC~2 ( BOO-BOIS. ) ~ ·DSP (SOUND> 1

B-CONTROL L--r--.---' • ~~~~~ELS •PIXELS SPRITES. ~ ....-~--.. ·FM 8CHANNELS

POLYGONS .. l ---- VOP I ""-----~ VDP2 1----, •COLOR CALCULATION')~ ICIO IC14 •TEXTURE •SHADING

2Mb it

SPR l TE CHARACTER I-­

RAM ICll

--FRAME - 2Mb i t

1-- RAM IC12

VIDEO 1------- RAM

!CIS SOUND

SOUND - 4Mb i t L__,. RAM

ICI9

4Mb it I §~~ JI C26~ r c1o Ec-sus

4Mbit ~VER (ECDO-ECDIS.)

IV~~ ==------------ ECA I -ECA 19

--.--

CPU ~:16bit CISC CPU 68ECOOW •II. 3MHz ICI8

r---------, I I I MPEG I 1 r--e- VIDEO 1 I IC301 I I I I + I I 9 I I I I BUFFER I I lC302 I

4Mb it I I I I 1 MPEG 1 1 j----. AUDI 0 I I IC40 I I I I I I I I

: PROGRAM --i-4Mbit

I '- ~~~~3 I I I I I- UP TO 72 Ml NUTES I MPEG I (30 FRAMES PER SECONDl I I I BOARD I POSSIBLE ON ONE co.

l <OPT I ONAU l L---------.J

r----, I 1 ~ 1- X2 SPEED 1 V () \ 1 CD-ROM I 1\ } I I 1 '-....-/ I I L...y- I CD I T :DRIVE L ____ J

•32bit RISC CPU •20MHz •4Kbyte CACHE ·INTERNAL DAC • 32b it INTERNAL. 16b it EXTERNAL •INTERNAL MATH PROCESSOR

DATA __,. r~~ll< ~ ~I ~C~7 - 4Mb it

FRAME -2Mb it L..... RAM

VIDEO ~RAM

IC16 '-------t·l RGB ENCODER

-~ IC21 TO TV

ONLY -- r-===~ L....--

.--WCRK

y illRc",hlC BACKUP - 256Kb i t [-----. RAM

IC32 IC8 CLOCK3

4Mbit4 TMHz

TO n -....1----.. f___- (~~~i~OL ) X3 CONTROL ul----1+------t SMPC ~ PADS [2_0-- IC9

BATTERY (CR2032l

A B c - 11 --

CLOCK4 32 768KHz

X4

·VDPI READS DRAW COMMANDS FROM HERE AND THE DRAWS TO THE FRAME RAM

[ c 13

'--2Mb it

j INPUT: MRES FROM SW3. SRES FROM SWl SYSTEM RESET CONTROL l OUTPUT: CORES. COPRORES. SNORES.

~ SYSRES. MSHRE~ SSHRES

D E

CNS

F G H

Page 13: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

8. SCHEMATIC DIAGRAMS 8-1. Schematic Diagram-1 [Main C.B- 1/6)

//~~r7~//~~~~r7-r~-r-rc~~r-------------~----~--------------------------·----~----~--------------------------------------------------------------------------~M~-<=>CA~ (?)

-N

~~~~~~~~~~~~~~~~~~~~~~~~~~~ vee

vee

® IFTI ,._-l------,1~~;..1 FTI +------'.;...J FTC!

R 132 l c---it FTIII IISCK IOI< Rl 100 4 o-----yfr FTDA lt!XD R2 100 101 SIX

"Txo RJ 100 102 ~~~ 7~0A(](I

DflEQI 8~ OACl<O

DR£00 {Q;u '(_Lfj,...;.,;.;!l(l Of'O.....----~--------t---_,;1,;04;-t PLL vee ~ uu I r'VIIIr-1f----~108;-! CAP!

CEI ~ CI~T~ C2 I R4 9 ~ CAP2 l• r-a o~ 470P* 3K ~

l 106 PLL vss 1 .6iP IQI(J ,._-+---:1:;;18<-! CKIO ~ L--_,.;1~12:-J CKP!lEQ

9 I

llOo--+:-J- CKPACK uoo---Ht- EXTAL 10 ~ XlAL

~of

!Cl SH-2 (11)

HI TACH!

® 8BUSCI)j!R1JL c=::>-'88=--..... 1 9 I'--~BI;;,RL~2'--~====j~t=~c=~-, I__ BIRLI

16~ X!AI.. Ill o---j#- EXT AI. Ill o---fH- CKPACK

CKP!lEO @> IQI(J --+----:.:.11=..8-1 CKIO

,.,.... __ _,_ __ _,_ __ __,1---~106"'-1 Pll vss

vee rf3 "' I csP J: T, RS 7~09 ~~· ::::!::T 70P - 17 108 CAP2 IOO. a 022Jo ' "'

'-<>-----~-------+-----''""04'--1 :t vee L2 100. +-----70rr-l DR£00 teo---¥.- OA(](O

OflEOI

~s~Txn*-________ ~R~I~~~~~ao~_1_9 __ ~~~~~~1 ~~~xn~----~---~RR~:~~~~~:~:~~4-----:~~~~ Rxn ~~~---r--~~~~---'~~ ~ htn ~Rll4 21~ FTDA y ~!OK =JIGK 22~ FTIII

FTC I @ SFTI ,._+_-..!.9'1!...j FTI

IC2 SH-2 !Sl

HI!All11

~,~~~~~~~~~~~~~~~~~~~~~~~ ~

~~ ~~~--~~-~~--~--~~ ~ ~MN-c ~~~33~~~~~~~~<~~~~~~~~~~~

OJI ra ~;~ OJO 27 CIJ29 029 1-25~--~C02~B~ I 028 l-2;;;l;-~CIJ2~7~1 027 I-22~--~CIJ2~6~1 026 21 CIJ25 025 19 C024 024 17 CIJ2l D2l 16 CIJ22 022 15 C02!

:: ll C02COI90 019 II 018 10 COIB

Di7h;-9 --~CO:;!I!...7 ,1 016 1+8 --~CO:;!I;;,-6 ,I DIS ~7 --~CO~I~S .J 014 1+5 --~CO:;!I;_4 , I Oil 1+3 --~CO:;!I;,-3 ,I

012 I+~ --~~~:~~ ,1 Dll 144 COlO 010 14l CIJ9

~ 142 COB

07 :~ : 116 Ill cos llS ll6 CIJ4 04 llS COl Ol Ill C02 OZ Ill COl

~: IJO COO

A2001

A2

00 130 coo OJ Ill COl 02 Ill C02

Ol :~ : 04 137 cos

~ 138 C06 07 140 C07 08 142 COB 09 143 CIJ9

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Page 15: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

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SCA2 l l !S-5681 66 SCA22 SCSP SCA22 65 SCA23

SCA2l

SCDO 105 SCDO

SCOI 106 saJI

saJ2 lOB SC02 109 S<Dl

SCOJ 110 SC04 saJ4 Ill saJS SC05 112 SC06 SC06

Ill saJI SCD7 114 saJB SC08

11 6 saJ9 SC09 117 S<D!O

saJIO liB S<DII saJII 120 saJI2 5al l2 121 S<Dll saJl J 122 SCOl4

YAMAHA SUl14 123 saJIS saJ lS

"'z o-a c ~~~ ~ai§ "'"' ~N

lr ~ ..-. "'- E3 NN ~ ~ ~ ~

"'z o- "' 00 ><U u~

~~ "'"' '=3 5 OB

Rl29 Rll O

@ ICIB 68ECOOOFN 12

l4o------% AO AS

33 AI UIJS

34 A2 LDS

J6 Al

37 A4 RAI 36 AS

l9 A6 DTACK AI 40 A8 00 41 A9 !PIT

42 AIO IPLO

43 All

" AVEC 45 Al2

46 All

41 Al4

48 All FCO

49 Al6 FCI

50 All FC2

51 AlB

52 Al9

54 A20 A21 t100E

55 56 A22

A2l BERR

6 00 iiR 5

Dl 4 02 iiG

3 2 Ol

68 04

67 05 HALT

66 06 RESET

65 07

64 06

6l 09 NC!

62 010

61 011 CLK

60 012

59 Oll

58 014 DIS

IIJTOROLA

E29B

SI.OOA TA @

I SCAS a scoos 9 SCLDS

10 SCR/\1

ll SCDIACK

L2S SCIPL2 26 SCIPLI 21 SCIPLO

23 SCAVEC

30 SCFCO 29 SCFCI 2B SCFC2

vee

19

UR49 RSO 4. 7K 4 )!(

13

12 41

20

~SI«JRES 2

22 42

~SCPUCLK 21 ®

sc

TP23 FB3

4-----~~-<~~--~--------

v:x:

~~ C21

l33P

F244 ~

u ~ ~

J PIS

tf'SEL

J OOTSEL

100 100 EX68KNMI @ SYSRES

@ O.AWIO IIF IB

1' RIJS IOK

A

IC33 74t£ 157

ILRCI: 2 AI Tl ' ELRCK 3 7 IBCK 5 81 12 9 EBCK 6

A2 Yl

ISO II 82 Y4 rE---o40 Al

ESO 10 83 -4 A4 ..14- 84

SSEL I SEL

I .....!?.: G

. -------- ---, I BYPASS CAPAe!TIJl FOR IC33 I I vee I I Q I I j_ I 1 TCIOS 1 I m O. l• I

L - ------- - --1

B

i BYPASSCAPAClTOO FoRICl7- ----- ~

I vee , I I. I! 31. 45. 59. B~ 99. l iS. 127 GNJ,s. 1121 Ja s2. 10. 90. 101. tl9. 12~

vee

CE ll IQ.o

I I I I I I I I

I I L- - ------------- J

c - 17-

BB MIDI IIF@

i BYPAsSCAPACl TOO FOR-1Cl8-- -- - - ~

I vee , 14. IS. 53 GNJ , 1. 11. ta JS. 61

vee

CE!b lQ.o

I I I I I I I I

I I L---------------J

D

@ SCPUCLK

EXT OJ<

IP22 (l

FB4

IN)

TEST

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FBS

el6 T t«JT mUSED

AVCCI

~JP4 Fl65

JP5

Fl69

E

EXTCLK

~

..1'3 F29

AVCet

~ ~ l<l ~ ~ N

~ i z ffi g ~ 0 g

IC20 3!5-SI4b

~ N

~ ~ ~ :g ~ ~ ~

R29 I«JT USED

C32 0.0

C33 C34 I«JT NOT USED USED

F

Rl43 510

Rl44 510

..-. "' "' "'

j z u

~ ~

APOI 20

AVOOI 19

OOTCLK 18

Gill TAB

SNlCLK 17

AV002 (6

AP02 IS

HITACHI

~ z

~ ~ ~ ~ :! Fl

R2b R27 16K 361(

CJll 27P

- 18-

R25 . JOK I

CE2! l!lo

G

IC23 TP!4

IC24 I~VHC04

8 NCII

NCI4

.-----------, 1 BYPASS CAPACITOR Fa! IC2l24 1 I vee,l4 I I 001 vcc VCC I

: ~~ ~~ : : ro.,. ro.J. : L-----------l

H

2

3

rnK3

ti:LK2

@ 4

ti:LKI

5

6

Page 16: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

8-4. Schematic Dlagram-4 [Main C.B- 4/6)

TRCl. 118

18 -

118

1 ECAaJS

IC3D 74l5245

CAl 2 10 80 18 r< IP43 ECAl

Cl2 3 II 81 17 r< IF44 ECA2 CAJ 4 16 [-< TNS ECAJ CA4 s 12 82

15 r- IF46 ECA4 AJ 83 CAS 6 A4 84

14.[: TP47 ECAS CA6 7 13 r-- TP48 ECA6 CA7 8 AS 8S 12 r IP49 ECA7

16 86 CAS 9 A7 87 II r:- IPSO ECA8

~ ii[

OIR

G1952 2

IC29 74LS24S

CA9 2 18 r TP~l £m AO 80

CAIO J 11 81 17 r TP52 ECA!O

CAll 4 12 82 16 r- TP~\3 ECAll CA12 s Al 83 15 r- 11'54 ECA12 CAll 6 A4 84 14i-- TP55 ECAIJ CAI4 7 AS 85

11 r- IPS6 ECA14 CAIS 8 12 r- IPSl ECAIS CAI6 9 16 86 11 r IPS8 ECI16

A7 87

~ ii'

OIR

G1953

3 IC28 74ACT245

@ooTQK2

CAll 2 18 rOIP5'! EeA17 AO 80 CAIB J AI Bl 17 I-OTP60 EeA18

CA19 4 16 i-C TP6, ECA19 A2 82 ~ AJ BJ r-H--oNCI ~ 14 84 ~11:2 ...-+ 15 85 Ht-or~:J Rl60

Ollttl 8 A6 86 DOTQKI)® L ___.1.. II 17 87

ur± DOTQKO

~ ii' I O!R

G1980 vee vee

RAI IOK•B

4 5 CNl2810 10

,....,_ r ,.....

IC27 74LS245

I 2 J 4 6 7 8 9 coo 2 AO 80 18 r< IP67 ECDO COl J

AI 81 17 r< IP68 ECDI C02 4 A2 82

16__r: TP69 ECD2 COl 5 A3 Bl 15 r IP70 ECD3 CD4 6 14 84 14r IP71 ECD4 CDS 7 IJ r IP72 ECDS AS 85 CD6 8 12 r IP73 ECD6 Cll7 9 A6 86

11 r- IP74 ECD7 A? 87

19 ii[

5 I vee vee

OIR Rl2 IOK•8

G1955 5 CNl2810 10

,.....-r<

IC26 74LS245

I 2 j 4 6 !•19 CD6 2 18 r< IP75 I ECD8 CD9 3

AO 80 17 r- IP76 EC09

COlO ' AI Bl

16 r- TP77 ECOID A2 82

COil 5 A3 83 IS__i::: TP78 ECDII CDI2 6

A4 84 14 r IP79 ECD12 COil 7 IJ r IPSO ECDIJ CD" 8

IS 85 12 r IPS I ECD14

A6 86 CDIS 9

A7 87 II [-< TP82 ECDIS

19 ii[

6 I DIR

G1954

A B

- 19-

ECOIIUS

IC6 31S-5778

@rm4 :!:: 81

CLK TEST! +--o TP8J C65

Cll 27 TESTO r---o 75 I«JTJ AI USED CA2 28 A2 6 OAO

CAl 29 OAO DAO AJ 7 011

CA4 30 OAI 012 OAI CAS 31 14 012 J-- OAJ OA2

AS 9 CA6 32 3A3

~- OA4 OAJ CAl JJ A6 014 OAS DA4

A7 II CAB 34 015 DA5

A8 12 016 CA9 JS 016 lJ Oil DA6 CliO 36

19 017 DA8 DA7 110 14

CAll 31 018 018 em 38

All 17 ORASO

112 -CAll 39 OR ISO 18 ORIS! OUCAS

All ORIS! CA14 42 A14 ORAS2 :>lJ---o 106

IUAS CAIS 4l

115 ORAS3 ~101 ORASO CA16 " 116 lli.CAS

OLCAS 1M CAl? 45

All OUCAS 21 OLCAS DOE

CAI8 46 Al8 u;;r 23 1)1,{

em 41 24 DOE CA20 48 Al9 DOE

CA21 49 A20 A21

CA22 50 A22 RME

~--I CA2l 51 A2J rtlE ~-ti)E CA24 52 A24 SRI,.;E .Jl---- SRAI1CE @

CR/\1 58 RIJI\ii tWl ~-tWl CRO 59 Rl) vee ccso 6J m SlfCCE .J!--• SlfCCE CCSI 62

ces2 61 CSI ~82 ,--< ~ EXCEO

R% R97 EXCE l ~-<l8J ()QH( 68 ~T ~T \lEI EXCE2 ~-<ll08 U$!'0 USED OQHO 69

\lEO IOCE ~-<li09 ®(~II 78

~II SF II 79 SF II iiTiiT ~-~ BACK 71 BACK VINf EX8ACK 72 55 BIRL2

BRLS 7 £imf i1ill 54 B!Rll BGR 75 au IRED!

BREQ 76 8GR EXBREQ n; iiR£ij

-t--EX8REG BEN CIIAIT 64 wm BOIR

OAO CBS 84 OAI

~

~: OA2

CIIATIN 67 DAJ iiiTii ' CIVECF 57 fillr E\11 5 OA4

' OAS

@ STSRES~ DE CON OA6 RESET OA7

TOSIII BA OA8

DCC G6 OUCAS OLCAS ORASI 1M DOE

r-- - ----- - -----------, I I

BYPASS CAPACITOR FOR IC26. IC27. IC28. IC29. ICJO I VCC .20 I I GIIQ , (O I I I I vee vee vee vee vee I I ~C87 ~CBS ~C89 ~C90 ~C91 I I I I JOI• JOL• JD. I• ro.t, JO I• I I I I I ~ -- --- - --- -- -------- -~ I I BYPASS CAPAC!TOR FOR le6

VCe •l6. 21> 41. 56. 65. 90. 91 I GIIO ·S. IS. 25 40. 5160. 61> 70. 74. 82. 90. IOU I I vee I 2 I I

lc57 l c i06 l c to7 lm8 I

10 I• ro ,, ro. l. T O. I• I I l I

L- ------------ -------

,_

c D E

IC31 ~14260 1-701

76 o---H- II: I ECII 9

-i}-o 77 ECA2 8 AO 11:2 17 ECA3 7 18

AI 11:3 -¥n----o 78 ECA4 6 12 NC4 ~ 79 19 ECAS 5 22

A3 ECA6 4 A4

2J ECA7 J AS 24 ECA8 2 25 16

ECA9 40 11 26 2 ECDO ECAIO 39 A8 DO

J ECOl ECAII 38 01 28 4 £C02 ECAI2 37 LOS 02

29 LCAS OJ 5 ECOJ ECA13 36

14 RAS 04

7 ECD4 ECA14 J5 13 il 05

8 EC05 ECAIS J4 27 ii[ 06

9 EC06 ECAI6 JJ

C97 J_p8 :!::f99 07 10 ECOl ECAll 32

NOT ~T ~T ll EC08 ECAI8 I l USED l US!'O l USED 08 32 EC09 ECA I9 2

09 JJ ECOIO

010

k Oil J4 ECDll

@~: 10

012 36 ECD12

VCCI 013 ll ECDll 12

VCC2 014 l8 EC014 TP I20

0 VCCJ DIS J9 EC015

f~55,fti40 0 1• I• 21 VSSI

-~ VSS2 VSSJ 0

HITACHI

G1363

ECAI 10 EeA2 9 EeAJ 8 IC32 EC14 7

~14260 1-701 ECA5 6

84 o---H- ECA6 5 II: I AD NC2 -i}-o 89

ECA7 ' 17 EeA8 J 18

AI NCJ -¥n----o 88 EeA9 25 19

A2 NC4 ~87 ECAIO 24 AJ

22 ECAII 21 23

A4 ECAI2 23

24 AS

EeAIJ 2 25

A6 EC114 26

26 A7

2 EeOO ECI IS I 18 00 J EeOI 01

28 LOS 02 ' EC02 29

LCAS OJ 5 ECOJ @ SCE2 ,...___R 14 RAS 04

7 EC04 ll ~ 05

8 EC05 27 ii' 06

9 EC06 [~~~ ::!:~ 1 02 07 10 EC07 @ 27 NOT Jl ECD8 JuS!'o 06 lftiR ~

32 EC09 09 Jl ECOID

k 010

34 ECOII Oil 36 ECD12 012 J7 ECOIJ VCCI Oil l8 ECOI4 VCC2 014

VCCJ DIS J9 EC015

+~56' =f Cl41 0. I• I• 21 VSSI

-~ VSS2 VSSJ 0

Hl TACH!

G1364

F G

-20-

IC7 TCS742000

10 00 13 ECOO 15 ECDI AI 01 ll ECD2

12 02 19 ECD3 AJ OJ

22 ECD4 14 04 24 ECDS 15 05 26 ECD6

A6 06 28 ECD7 Al Dl

14 ECD8 A8 08

16 ECD9 19 09 18 ECD10 A10 010 20 ECDll All 011

112 012 2l ECD12

All Oi l 25 ECDIJ

114 014 21 ECD14

AIS 015 29 ECDI5

Ai6

9 All

in Al8 lilt' vee I

iE :bcsl, fcm

11 _To ,. 10. a: Gill Gill ~ HITACHI

G1569

ICB lP04J257B 1-1201

II ECDO AO IIlli 12 ECDI II llll2 IJ ECD2

12 1/0J IS ECDJ A3 llll4 16 ECD4 14 1105 17 ECDS

AS l/ 06 16 (/ 07 18 ECD6

19 ECD7 A7 l/08 A8 19 AID All Al2 All Al4

B?

CE2 vee 28

ffs'.fCEJ8 0. I• NOT iE Glf) 14

,),. USED

il I£C

G3

BB

BB

88

H

ECABUS ® ECI8JS ®

IIBUSC!»>TROL ®

Page 17: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

8-5. Schematic Diagram-5 [Main C.B - 5/6]

® ECAIIUS IB

@ECIIIUS ~

' .----...__!!__

AYCC2 vee

CEll llo

RISl 1«11

@IEEII lJS8)

svec

e48 1«11 USED

10

IP65 svee IC35

II J.3 ~X3 li 41ttz

·fit R69 01 Rl37 ~9 IOK ISSI84 • lOOK

1«11 USED

R"l !~lS cso R68 S. IK 47• f-r lJOK

IN l H475 Sill~ ::!: X4 "RES %our CSI 1_32. 768KHz

~OP H2311

'

(~ vee vee ® RA8 I OKx8 0. 0 I ROY 5

...-.- ,_... ® EXL

( nt~ @ 51110 Alii I 2 3 4 6 7 B 9

Rl45 IOK

ECAI EeA2 EeAl ECA4 EeAS EeA&

ECDO ECOI EC02 ECOl EC04 ECDS EC06 EC07

IC22 vee TDAI38bT

IISCI: TPIIl 12 SYSCLK Y!Dl

24 DRCK TPIII I1RClJ( IP112 sex C62 oso TPIIO ws 23 IJ_ I•

DATA VSSO

CI(Sl2 YREF 22

CI(Sll CEl2 RH TEST!

21 10. 100 TES12 \UI

VIDA 20 C61 FILleR 0."' 19

VSSA FJLTQ

Aliil2 V{J_ 18

10 Y!Dl

C61 17 0. I• AI'PO lb VSSO N'PI IS N'P2

N'Pl Pill LIPS AI'P3

Rl57

RISb NOT USED

f-o J:~ ~ R67 IC9 1n

f-o~~~ 315-5744

Jf'IO q RSO TEST r-oJPII.~ b

JPI2 7 RSI R52 R70 f--o JPil 8 RSJ R71

' _r::QW93 R72

l 10 OSCI R73 r{ W94 II

OSC2 rl: W9S 13 f-()W96 14 X2 01

XI D2 04

IS REID OS 06

17 ~ 07

18 Rl\j DB

49 INTVliOI 09

010 47 EXL Dl

so DO

bl R60 Plll68 62 R61 PIDSB

j 128 63 Rll8 7~~

R62 Pl048 IDK Rbl PIOJB

PI02B 19 AI PIOIB

20 21

A2 PIOOB

22 Al

23 A4

24 AS PIObA Ab PIOSA

25 Pl04A

26 080 PIOJA

27 OBI PI02A

28 082 PIOIA 083 PIODA

29 lO

084

ll 085

l2 086 vee 087

~ INTil/013 Gill

HITACHI

SHPC HS

@ SCE2

@ VIOEO 18

CEll RISO 22,o SIQ

Sllll

R45 lOOK

RISI 510

SIO..

R4b lOOK vee

Rb6 srSREs@

AGIIl2 A!Hl2 4.11:

A B c 21

vee vee vee vee RI·J IOK><8

vee 5 ctll2UIO 10 5 RA6 IOKxB 10 CN2XB lH ~ t>-t- I vee

r-m R74 2 1014 IOK l II'

r-}--o 12 ' TH 6 7 8 9 I 2 3 4 6 7 8 9 5 TR t+---o 7l

I 2 l 4 vee 6 TL

WlES 7 R!Qtl 4 C!f'RORES C(_ -3 8 l£FT

NC6 _l Ell25 2 9 Gill 51 eRIGO -IJ

~112 200ioN I Elt26 2 H498 SlOES 211' _IJ

55 STSRES @ 2TH

~ E1127~ 2TR 5b nSHRES CN2B 57 HSHNHI 2TL L~oo~ _d 1Pl4 58 2R1Qtl _IJ IPlS II vee

SSHRES M 59 2LEfl Ell29 t2f--~l IP36

12 1014 SSHNHI M 13 II' bO DOTSEL -IJ l --'=' IP!7 14 IH 53

I 000 ~ l TP38 SRES --'= IS TR

I -;;-tt-r- r TPl9 16 TL r TP40 RIQtl 46 21H -IJ TP41

17 r 18 l£F1 45 2TR I En32 2 IP42 __c- 19 Gill 44 2TL _r--

43 2Rlll1T H3 42 2LEfT ' FB9

2

41 21014 vee vee TIT 40 211' HSSl

5 RA7 IOK•B 10 CN2XA 39 ITH ...-.- I vee 38 ITR 2 1014 37 Ill l II' 36 IRIQtT 4 TH 35 Il£F1 I 2 3 4 b 7 8 9 5 IR l4 IIXMI vee 6 TL 33 liP 7 RIQtT <(_ r-l sv;:c 02 0 NC7 I Enl7 2 8 l£F1

() ~ t---Il 9 Gill 16 l 2 IIXMI

I Enl8 f.- 1-530 J:es2 ~ p liP

ITH L~t--l N~~. ITR L!_ Enl9 ?---I r--l CN2A IlL

~: Elt20 ~ __c- lP2S IR!Qtl I vee I LEfT ~: --'= IP26

2 1014

I l _c: TP27 IC25

t--Il IP28 l II' S-80741AL -A7

9ee I _c:

' TH

IP? lr ~:L

I En22 2 r lP29 5 TR

des vee 12 'r--IJ r IPlO

6 TL I Elt2J 2 TP31

~ l

__c-7 RIQtl l .I r--IJ _i: TP32

Gill t-'i::;12

I Elt24 2 __c- IPll 8 l£FT Hl41 J} Hllii0202A ~ .___r- 9 Gill

NCIS H4 PD6 I FBIO

I HMJ202A TIT

1P24o-lfS5I

3

T BAT TIT CR20l2

4

TP4

eSYNC

IC21 .PI6 OAI645n IJ_ 390HH

RED

GREEN

BLUE

RlO IK

-= AGNJl AQtDl

AGIIll

Rl6 75 CE24 RIN ROUT

23

22 Rl7 75 CE25 GIN GOUT

21 Rl8 75 CE2b BIN BOOT

10 20 Rl9 75 CE27

SYNC IN CYOUT

lb R40 75 CE28 YOU!

IS R41 75 CE29

eOUJ

CN5

' vee l S. RIQtl 2 S.l£FT I c. srNC 5 R 6 c 7 B 8 Yl((O 9 y 5 10 e II CASE.!Ml

R42 13

Jf'21 18 16KUIII

BFOUT FO

Rl42 NTSCIPAL

17 ITRAP

JP20 @sc . 2-2K IK

C41 'iP

em SCIN 14

10. YREF

AYCCl rQPC

VCCI VCC2

I REF CElO 100.

JM)J

SONY Glll2

CN6 vee niDUit n1o wn nrxo

6 IIRXD 7 ltSCI(

8 Gill 9 srxo 6 10 SRID

AGIIll II SSCIC Alillll 12 Gill

@ nJDI 1/F 118 u

®SERIAL 1/F 118

D E F H

-22-

Page 18: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

1

2

3

4

5

6

8-6. Schematic Diagram-& [Main C.B - 6/6)

@ XIMTA

@ O.AI.IIIOIIf

@es @MillS <D AllJSIDIIR(l

®AIBJS

@(~! 55111111 <DES

.!!!.

..!!.

~ -__!! -...!!. -...!!. -

@ STSAES

@ SCSI'CU

~ ~ ~ ~

~ ~ ~ ~

• EXBGI6 EXBGI8 EX8G20

. EX8G22

~ @m

® OOTCI.KI

@ CRTGO

CNlD

@ EXI>lll:llll -----w~~[j

A

~I! I~ CNl

r---~

~

~ r-

i:: ~

r-- i ~ ~ ~

Al ~ >--.~ ...!!!!..

IE!_ ~ Will

:!!£

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8

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c

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r---1 A22 ~ I All ~ I Al~ ~ IA:".i __Aill2_

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r---1 All ~ I A2o ~ ~ ~

AA3 . ., ... AC>l

EXBG6 t-

;;--:;:----:;------

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Page 19: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

8-7. Schematic Dlagram-7 [SH-1 C.B] RIIO vee 4 1K _A RIDS

'--' I ~ TPJ r-----~--------------------------------------------~~~_,--~ r-------------------------------4------·~~~~

TPI o----,i _i ~ ~ !1T VCC

vee

Allllll

Ul. AFel A IRQ

El02 52610

RESET GNJ

COAT A tllATA

CQIIEQ COtiU CIJIISOC

GNJ liCK GNJ DAS CKX II'X GNJ C2F SII'X SCKX SOAS GNJ

ACCESS

ltYR2 IIYR4 ltYR2 IIYRI triG6 ltYG4 IIWG2 II¥GO -IMI4

rnn12

l 2 3 4 5 6 7 8 9 10 II 12 ll 14 15 16 17 18 19 20

IIYBO 1111'111 DTW YSYI«:

A

com

R~SED tflATA l e125 NIT USED

IXllflEQ ,__ Rll7 NIT USED

~ - f"N\'1 ClllnK

- l e126 NIT USED

ClltSYt«:

----m ----m DIS

CXX II'X

----m-C2F SII'X SCXX SDAS

1m-

RIDS 471(

RIOl 4. 71(

RI06 41K

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ltYR7 ltYR5 ltYR3 ltYRI IIYG7 IIYG5 II'IG.l triG I IMI7 IMI'.i IMI IMII

GNJ ¥II'

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.---------..,;1-1 IML ~:;; '2 vee ~ .-------- - 2'{-1 TI!Qii I!! vee !-*--82

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XlOl 2tntz

SIJt4 1 vee 011 l34nr Sllill SDt9 14 08 IC101 vss lifm ~SlitS B ~ 010 JJ SlliiO vee >---+.=.------Tisi-1 ~ tll64J7097 ~~ ~

SIJt6 9 D9 l2 Slllt9 _ I SDtiD 16 DIO - 69 lllEOI ~ ~ 08 l l S11iB ~~~rT SDtll 17 Oil IJlEQI 68 DACKI

~01 1 etol:!: O~ lOP l ~~41

vee II t«: t«: J0 fh- ~1123 18 012 = 67 lllEOO

Rl04 !OK

RI02 IOK 12 t«: ffiS 29 ~:~ ;;14 ~ DIJ ~ ~ DACKO

liAS :! Ws ~ ~ SRD SIJtiS 21 Dl4 !lOCAl L6~4---t--+--::----t-----H----------------, 15 t«: A8 26 519 22 DIS rRifWT t-' 6;i;J- -"Atv-+-- -t--Q ~ 10 Al 25 SA8 SAO mij- VSS ~ 62 Rill vee ~ II A6 24 Sl7 SAl 24 :~ VSS 1-4.-:01 NI~T USED r,!( ).#..-4 12 IS 23 SA6 Sl2 25 l2 ~ 1 60 m T ~~3 M 22 SIS Sl3 26 A3 R!j 59 RD 1

+-----1f+-~204Lv-ec ___ v_ss_.~ SA4 27 "" i.iiH 58 lo1lH

T Cl20 I '" SIS 28 AS I~ IoRI. 57 J. WRl Rll2

rJr 0. 01 -o,....~a:~o-~~~~~~~~~tl~e:~N u~~~~~~:::l~o T~6 tKJT-••••••••••••••••••••~~~-~-~• USED

() vee

Nl~~~r ~~----------------------------------~~---------+-~-------------------------------,

112 1M

AA12 1114

l l l e121 CIIS Cll4 CIIS

47/6. J 0. 01 NIT USED NIT USED

9 l

Cll9 0. 01

l ± l CI08 CI09 etJO

I«<T USED 0. 0 I NIT USED

c 25-

9 vee Cl29 /""\

"J; NIT USED YcC

0 E F

l Cll2

1«11 USED

::!: ellt

ll '- 01 CliO

I«<T USED

G H

-26-

2

3

4

5

6

Page 20: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

9. CIRCUIT BOARD DIAGRAMS 9-1. Main Circuit Board

1

2

3

4

5

6

A

~=--~·""-j-......--.• ... -· ~ .. __

,_ D

64.

Ct39

837-11493 IC BO SATURN 171-69638 PC BO SATURN

~~(M\

MAIN VAO PAL MAIN VAO PAL

26

@SEGA 1995 27

MADE IN JAPAN

CE46. CE45

43

44"

FUSE

o~ .-' -~-----eillj B

·- 27~

.. IC32

.DIRECTiON

• 0 RA2

D

c 0 E F G H

28

Page 21: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

TPH C70

D

A B c 29-

Cl36

CJ

D E

,0· 0 OD ~~~­Ill"'

TI'N TPte !TI' ••

Tl'a7

2

3

4

5

6

F G H

-30-

Page 22: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

9-2. SH-1 Circuit Board

1

2

3

4

5

6

A B c 0

- 31-

11. PARTS SPECIFICATIC•It.JS

IC1/2

IC H06417095F28 QFP HITACHI

Parts No.: 315-0922A

•Top View 108

109

i i ! I i i

114 i

• Description

73

HD6417095

38

i i i i i i i

72

37

IG H06417095SF28 QFR HITACHt

Parts No. : 315-0998

No. 1/0 Pin Name

1 Dll 2 1/0 012 Data bus 3 013 4 VCCl Power supply (SV) 5 1/0 014 Data bus 6 VSSI Power supply (OV) 7 015 8 016 ·---9 l/0 017 Data bus ·-10 018 --11 019 12 VCC2 Power supply (SV) 13 1/0 D20 Data bus 14 - VSS2 Power supply (OV) 15 D21 16 1/0 D22 Data bus --17 D23 18 VCC3 Power supply (SV) 19 1/0 D24 Data bus -· 20 - VSS3 Power supply (OV) 21 D25 --22 1/0 D26 Data bus --23 D27

·-· 24 - VCC4 Power supply (SV)

·-25 l/0 D28 Data bus 26 - VSS4 Power supply (OV) 27 D29 ·--28 I!O D30 Data bus 29 031 30 AO ---31 1/0 AI Address bus 32 A2 33 - vsss Power supply (OV) 34 A3 ---35 A4 --36 AS 37

1/0 A6 -- Address bus

---38 A7 39 A8 -40 - vccs Power supply (SV) .

-32-

Function

-

Page 23: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

No. 1/0 Pin Name Function

41 1/0 A9 Address bus 42 - YSS6 Power supply (OV)

43 A10 44 All 45 I/0 A12 Address bus 46 A13 47 Al4 48 - YCC6 Power supply (5Y)

49 1/0 A15 Address bus 50 - YSS7 Power supply (OY)

51 Al6 52 I/0 Al7 Address bus 53 A18 54 - VCC7 Power supply (5Y)

55 1/0 Al9 Address bus 56 - YSS8 Power supply(OY) 57 A20 58 1/0 A21 Address bus

59 A22 60 - VCC8 Power supply (5Y)

61 1!0 A23 Address bus 62 - VSS9 Power supply (OY) 63 A24 64 1/0 A25 Address bus 65 A26 66 0 DACKO DMACO acknowledge 67 - YCC9 Power supply (5Y) 68 0 DACK1 DMACl acknowledge 69 - VSSIO Power supply (OY) 70 I DREQO DMACO request 71 I DREQ1 DMAClrequest 72 0 cso I Chip select 0 73 0 CS1 Chip select I 74 0 CS2 Chip select 2 75 0 CS3 Chip select 3 76 I/0 BS Bus cycle start 77 1/0 RD/WR Read/write 78 - YSSll Power supply (OY) 79 0 RAS, CE RAS for DRAM/SDRAM, CE for PSRAM 80 0 CAS,OE CAS for SDRAM/OE for PSRAM 81 0 CASHH, DQMUU, WE3 Each memory most significant byte select signal 82 0 CASHL, DQMUL, WE2 Each memory 2nd significant byte select signal 83 0 CASLH, DWMLU, WEI Each memory 3rd significant byte select signal 84 - YCClO- Power supply (5Y) 85 0 CASLL, DQMLL, WEO Each memory least significant byte select signal 86 - YSS12 Power supply (OY) 87 0 RD Read pulse 88 0 CKE SDRAM clock enable control 89 I WAIT Hardware wait request 90 0 BEN Reserve 91 - YSS13 Power supply (OY) 92 I BACK, BRLS Bus right permission in slave mode/Bus right acknowledge in master mode. 93 0 BREQ,BGR Bus right request in slave mode/Bus right acknowledge in master mode 94 0 WDTOYF Watch dog timer output 95 0 FTOB Free-running timer output B 96 - VCC11 Power supply (SY) 97 0 FTOA Free-running timer output A 98 - VSS14 Power supply (OY) 99 I FTI Free-running timer input 100 I FTC! Free-running timer clock input 101 I RXD Serial data input 102 0 TXD Serial data output 103 1!0 SCK Serial clock input/output

-33-

Page 24: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

No. 1/0 Pin Name Function

104 - VCC(PLL)I2 Power supply (5V) of built-in PLL 105 I MDO Operation mode pin 106 - VSS(PLL)I5 Power supply (OV) of built-in PLL 107 I MDI Operation mode pin 108

0 CAP!

External capacitor connection pin for PLL 109 CAP2 110 I MD2 Operation mode pin Ill 0 CKPACKN Clock pause acknowledge output 112 I CKPREQN Clock pause request input 113 - VCC13 Power supply (5V) 114 - N.C Not connected. 115 - VSS16 Power supply (OV) 116 - N.C Not connected. 117 I MD3 Operation mode pin 118 I/0 CKIO System clock input/output 119

I MD4

Operation mode pin 120 MD5 121 - VSSI7 Power supply (OV) 122 I RES Reset 123 - VCC14 Power supply (5V) 124 0 IVECF Interrupt vector fetch cycle 125 I NMI Non-maskable interrupt request 126 IRL3 127

I IRL2 External interruput factor input

128 IRLI 129 IRLO 130

I/0 DO

Data bus 131 Dl 132 - VCC15 Power supply (5V) 133 I/0 D2 Data bus 134 - VSS18 Power supply (OV) 135 D3 136

1/0 D4

Data bus 137 D5 138 D6 139 - VCCI6 Power supply (5V) 140 1!0 D7 Data bus 141 - VSSI9 Power supply (OV) 142 D8 143 1!0 D9 Data bus 144 DIO

-34-

Page 25: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

• Block Diagram

~ MULT

(/)

::l co (/) (/) LU CPU v-- a: (/)

-~ CACHE TAG 1:==1 §_~ ::l co <(

i LU-_/ 1-::r: <( A C) 0 <( LU C) ::r: EXCEPTION

~ C) PROCESS <( C) INTERRUPT - ..J

~(I CACHE CONTROLLER - <(

CONTROLLER z " u; 16-bit 1-

I K=1 l=REE-RUNNING 0... ::l TIMER a: ffi

h 1-;; ~ k

(/)

..J ::l <( co

v z (/)

CACHE BREAK a: (/) SERIAL LU LU DATA

()=~ CONTROLLER 1- a: COMMUNI-;; 0 ~

CATIONS 0 1'-' <( INTERFACE

co ..J (/) ::l

~i ~

<( co a: <( <( LU 0 ::r: 1-..J 0... <(

<( VECTOR ADDRESS a: 0 z LU

DIVU 1-~ a: 0... ..J WATCH DOG LU ~-§y 1- <( TIMER z a:

..J ::r: <( 0... z a: a: LU I I LU

~ 1- BUS STATE 0...

DIRECT _____/ ;;

CONTROLLER -MEMORY ACCESS

CONTROLLER r--; OpERATION

(X2 CHANNELS) MODE CONTROLLER

OSCILLATOR

""'/ ""'-/ EXTERNAL BUS

INTERFACE

0 0

-35-

Page 26: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC3/4/11 4-Mbit SDRAM

IC HM5241605TT-17 TSOP

Parts No.: 315-0928-17 IC UPD4504161 GS-A 12 TSOP

Parts No.: 315-1022-12

• Top View & Pin Layout

1/05

VssO 1/06

1/07

CAS 1

AS

Vee

• Block Diagram

0::: w 0 0 (.) w 0 z ::!!: ::> -' 0 (.)

o8 a:: UJ il: ::; g_ :IE < UJ If) z UJ If)

Vss 1/015

1/014

VssO 1/013

1/012

VeeO 1/011

1/010

1Vssa 1/09

1/08

VeeO NC

DQMU

CLK

CKE

NC

GND

A7

A6

A5

A4

Vss

MEMORY ARRAY BANKO

512 X 256 X HI bit

•Pin Name

Pin Name

A0-A9

I/00-I/015

AO -A7

cs RAS

CAS

WE

DQMU

DQML

CLK

CKE

Ycc

Yss

YccO

YssO

NC

0::: w 0 0 (.) w 0 z ::!!: ::> -' 0 (.)

-36-

IC HM5241605TT-15 TSOP

Parts No. : 315-0928-15

Function

Address inputs Row addresses AO-A8 Column addresses AO-A 7 Bank select address A9

Data inputs/outputs

Chip select

Row address strobe command

Column address strobe command

Write enable

High-order byte input/output mask

Low-order byte input/output mask

Clock input

Clock enable

Power supply

Ground

Power supply of l/0 pins

Ground of I/0 pins

Not connected

AO -A9

MEMORY ARRAY BANK1

512 X 256 X 16 bit

CONTROL LOGIC & TIMTING GENERATOR

Page 27: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

ICS SCU {Custom Gate Array)

IC CUSTOM CHIP SCU QFP

Pans No.: 315-5688

•Top View

52

53

• Description

No. 1/0

I -2 1!0 3 1/0 4 1/0 5 1/0 6 I/0 7 I/0 8 1!0 9 -10 I/0 11 -12 I/0 13 I/0 14 1!0 15 1/0 16 0 17 0 18 0 19 -20 0 21 -22 0

157

104

156 I I

105

Name

VSS AD4 ADS· AD6 AD7 AD8 AD9 ADIO VDD ADII vss

AD12 AD13 AD14 ADIS AAO AAl AA2 vss AA3 VDD AA4

• Block Diagram

INT f--

'---z:-----1~ <••n••••••••·••••·ln.·••••••·•••••••••• p-> CPU

1/F

A-Bus

1/F DMA

-TIMER .__ :: -1-_:-+---ilB

B-Bus

1/F

DSP

Function

GND A-bus data bit 4 A-bus data bit 5 A-bus data bit 6 A-bus data bit 7 A-bus data bit 8 A-bus data bit 9 A-bus data bit 10 Power supply +5V A-bus data bitll GND A-bus data bit 12 A-bus data bit 13 A-bus data bit 14 A-bus data bit 15 A-bus address bit 0 A-bus address bit 1 A-bus address bit 2 GND A-bus address bit 3 Power supply +5V A-bus address bit 4

-37-

Page 28: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

No. 1/0 Pin Name Function

23 0 AA5 A-bus address bit 5 24 0 AA6 A-bus address bit 6 25 0 AA7 A-bus address bit 7 26 0 AA8 A-bus address bit 8 27 - VSS GND 28 0 AA9 A-bus address bit 9 29 0 AAIO A-bus address bit 10 30 0 AAll A-bus address bit 11 31 - VDD Power supply +5V 32 0 AA12 A-bus address bit 12 33 0 AA13 A-bus address bit 13 34 0 AA14 A-bus address bit 14 35 - vss GND 36 0 AA15 A-bus address bit 15 37 0 AA16 A-bus address bit 16 38 0 AA17 A-bus address bit 17 39 0 AA18 A-bus address bit 18 40 0 AA19 A-bus address bit 19 41 - VDD Power supply +5V 42 0 AA20 A-bus address bit 20 43 - vss GND 44 0 AA21 A-bus address bit 21 45 0 AA22 A-bus address bit 22 46 0 AA23 A-bus address bit 23 47 0 AA24 A-bus address bit 24 48 0 AFCO A-bus function code bit 0 49 0 AFCI A-bus function code bit 1 so 0 AAS A-bus address strobe 51 0 ACSO A-bus chip select 0 52 ' - VSS GND 53 0 ACSI A-bus chip select 1 54 0 ACS2 A-bus chip select 2 55 - VDD Power supply +5V 56 I AWAIT A-bus external wait 57 I All:«) A-bus external interrupt factor 58 I TEST Test mode selection (normally, input "H") 59 0 ARD A-bus read pulse 60 0 AWRU A-bus byte 0 (AD15-8) write pulse 61 0 AWRL A-bus byte 1 (AD7-0) write pulse 62 - VSS GND 63 0 ATIMO A-bus external access timing 0 64 0 A TIM I A-bus external access timing 1 65 0 ATIM2 A-bus external access timing 2 66 1/0 BDO B-bus address/data bit 0 67 1/0 BDl B-bus address/data bit 1 68 1/0 BD2 B-bus address/data bit 2 69 - VDD Power supply +5V 70 1/0 BD3 B-bus address/data bit 3 71 - VSS GND 72 1/0 BD4 B-bus address/data bit 4 73 1/0 BD5 B-bus address/data bit 5 74 1/0 BD6 B-bus address/data bit 6 75 1/0 BD7 B-bus address/data bit 7 76 1/0 BD8 B-bus address/data bit 8 77 I/0 BD9 B-bus address/data bit 9 78 1/0 BDlO B-bus address/data bit 10 79 - VDD Power supply +5V 80 1/0 BOll B-bus address/data bit 11 81 - vss GND 82 I/0 BD12 B-bus address/data bit 12 83 1/0 BD13 B-bus address/data bit 13 84 I/0 BD14 B-bus address/data bit 14

-38-

Page 29: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

No. I 1/0 Pin Name Functior:.

85 I I/0 BOIS B-bus address/data bit 15

86 I IROL Light pen interrupt

87 I IRQV VDP2•V blank interrupt

88 ' I IRQH VDP2•H blank interrupt

89 I BRDY2 VDP2 data ready

90 0 BCS2 VDP2 chip select

91 0 BADDT · B-bus address/data switching signal 92 - VSS GND 93 0 BDTEN B-bus data enable 94 - VDD +SV Power supply 95 0 BCSS SCSP chip select 96 I BRDYS SCSP data ready 97 I IRQS SCSP interrupt 98 0 BCSI VDPI chip select 99 I BRDY1 VDPI data ready 100 I IR1)1 VDPI interrupt 101 1/0 CAD C-bus address bit 0 102 1/0 CAl C-bus address bit 1 103 1/0 CA2 C-bus address bit 2 104 - vss GND 105 - VDD +SV Power supply 106 I/0 CA3 C-bus address bit 3 107 1/0 CA4 C-bus address bit 4 108 1/0 CAS C-bus address bit 5 109 1/0 CA6 C-bus address bit 6 110 - VSS GND Ill 1/0 CA7 C-bus address bit 7 112 1/0 CAS C-bus address bit 8 113 1/0 CA9 C-bus address bit 9 114 1/0 CAlO C-bus address bit 10 115 - VSS GND 116 1/0 CAll C-bus address bit 11 117 - VDD +SV Power supply 118 1/0 CA12 C-bus address bit 12 119 1/0 CA13 C-bus address bit 13 120 1/0 CA14 C-bus address bit 14 121 - vss GND 122 I/0 CA15 C-bus address bit 15 123 I/0 CA16 C-bus address bit 16 124 I/0 CA17 C-bus address bit 17 125 I/0 CA18 C-bus address bit 18 126 I/0 CA19 C-bus address bit 19 127 - VDD +SV Power supply 128 l/0 CA20· C-bus address bit 20 129 - vss GND 130 1/0 CA21 C-bus address bit 21 131 1/0 CA22 C-bus address bit 22 132 l/0 CA23 C-bus address bit 23 133 1/0 CA24 C-bus address bit 24 134 1!0 coo C-bus data bit 0 135 l/0 CDl C-bus data bit 1 136 1/0 CD2 C-bus data bit 2 137 - VSS GND 138 1/0 CD3 C-bus data bit 3 139 - VDD +SV Power supply 140 1/0 CD4 C-bus data bit 4 141 1/0 CDS C-bus data bit 5 142 I/0 CD6 C-bus data bit 6 143 1/0 CD7 C-bus data bit 7 144 - vss GND 145 1/0 CDS C-bus data bit 8 146 1/0 CD9 C-bus data bit 9

-39-

Page 30: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

No. 1/0 P.in"Name Function

147 1/0 COlO C-bus data bit I 0 148 1/0 COil C-bus data bit 11 149 - VOO +5V Power supply ISO 1/0 CDI2 C-bus data bit 12 151 - VSS GNO 152 1/0 CDI3 C-bus data bit 13 153 1!0 CDI4 C-bus data bit 14 154 1/0 CDIS C-bus data bit 15 155 1/0 C016 C-bus data bit 16 !56 1/0 CDI7 C-bus data bit 17 157 - vss GND !58 1/0 CDI8 C-bus data bit 18 !59 1!0 CDI9 C-bus data bit 19 160 - VOO +5V Power supply 161 1/0 C020 C-bus data bit 20 162 1/0 C02! C-bus data bit 21 163 1/0 C022 C-bus data bit 22 164 - VSS GND 165 1!0 CD23 C-bus data bit 23 166 1!0 C024 C-bus data bit 24 167 1/0 CD25 C-bus data bit 25 168 1/0 CD26 C-bus data bit 26 169 1!0 CD27 C-bus data bit 27 170 - VOO +5V Power supply 171 1/0 CD28 C-bus data bit 28 172 - VSS GNO 173 1!0 CD29 C-bus data bit 29 174 I/0 CD30 C-bus data bit 30 175 1/0 CD31 C-bus data bit 31 176 I CCSI C-bus chip select 1 177 I CCS2 C-bus chip select 2 178 0 CCS3 C-bus chip select 3 179 - VSS GND 180 I RESET Initial reset 181 I CLK28 System clock 182 1/0 CRDWR C-bus read/write 183 I CRO C-bus read pulse 184 - VDO +5V Power supply 185 1!0 CDQMUU SDRAM byte 0 (CD31-24) write pulse 186 IJO CDQMUL SDRAM byte I (C023-I6) write pulse 187 I/0 CDQMLU SDRAM byte 2 (CD! 5-8) write pulse 188 I/0 C:DQMLL SDRAM byte 3 (C07-0) write pulse 189 - VSS GND 190 0 RAS ·- SDRAMRAS 191 0 CAS SDRAMCAS 192 0 CWAIT C-bus external wait 193 - VDO +5V Power supply 194 I CIVECF C-bus interrupt vector fetch sycle 195 0 CIRLO C-bus external interrupt factor 0 196 0 CIRLI C-bus external interrupt factor 1 197 0 CIRL2 C-bus external interrupt factor 2 198 0 CIRL3 C-bus external interrupt factor 3 199 - VSS GND 200 0 CBREO C-bus right request 201 I CBACK C-bus right acknowiedge 202 I MIREQ System manager interrupt 203 0 AA25 A-bus address bit 25 204 I/0 ADO A-bus data bit 0 205 l/0 AD! A-bus data bit I 206 I/0 AD2 A-bus data bit 2 207 1!0 AD3 A-bus data bit 3 208 - VDO +5V Power supply

-40-

Page 31: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC6 DCC IC CUSTOM CHIP DCC QFP

Parts No. : 315-5778

•Top View 80

81

100

•Pin Name

No. 1/0

I I I

2 0

3 0

4 0

5 -6 0

7 0

8 I 0

9 0

10 0

II 0

12 0

13 0

14 0

15 -16 -17 0

18 0

19 0

20 0

21 0

22 0

23 0

24 0

25 -26 -27 I

28 I 29 I 30 I

31 I

32 I

33 I

34 I

Name

TESTl TESTO BEN BDIR VSS DAO

DAI DA2 DA3 DA4 DAS DA6 DA7 DA8 vss VDD

DRASO DRASl DRAS2 DRAS3 DUCAS DLCAS DWE DOE vss VDD Al A2 A3 A4 A5 A6 A7 AS

51

30

50

I I

! I

31

No.

35 36 37

38 39 40

41

42 43 44

45 46 47 48 49 50

51 52 53

54 55

56

57 58 59 60

61 62 63 64

65 66 67 68

1/0

I

I I

I I

--I I I I I

I I I

I

I

I

-0

0

-I

I I -I I I

0

--I

I

-41-

Name No. 1/0 Name

A9 69 I I WEO AlO 70 - vss All 71 0 BACK Al2 72 0 EXBACK A13 73 0 BRLS VSS 74 - VSS VDD 75 I BGR A14 76 I I BREQ Al5 77 I I EXBREQ Al6 78 0 MFT1 A17 79 0 SFTl Al8 80 - VDD A19 81 I I CK A20 82 - VSS A2l 83 I RESET A22 84 I BS A23 85 I EWT A24 86 0 IOCE vss 87 0 EXT CEO

IREQl 88 0 EXTCEI IREQ2 89 0 EXTCE2 VDD 90 - vss

IVECF 91 - VDD RD/WR 92 I HINT

RD 93 I VINT vss 94 I DECON CS2 95 0 ROMCE CSl 96 0 SMPCCE cso 97 0 SRAMCE

WAIT 98 0 MOE VDD 99 0 MWR

vss 100 - vss WTIN WEI

Page 32: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC7 IPL ROM OS SATURN IPL-ROM PAL DIP

Parts No.: EPR-17933 Parts No.: MPR-17933

• Top View & Pin Layout

010

03 011

ICS BACKUP RAM

AS AS A10

A11 A12

A13

A14 A15 A16

1 BY'i'E GND D151A-1 07 014 06

013 05 012 D4

IC CXK58267 AM-1 OL SOP Parts No. : 315-0948-10

IC SRM20257LLM1 0 SOP

Parts No. : 315-0965-10

II Block Diagram

A14

A13

A12 A11

AS AS

A7 AS

AS

A 10 o+++.f':5l5:t==f A4 A3

A2

A1

AO

CE1 o----or-...., CE20•---t

•Pin Name

A0-Al7 Address inputs

CE Chip enable

OE Output enable

GND Ground

BYTE

DO-DIS Data inputs/outputs

Vee +SV power supply

IC UPD43257B-1 OLL SOP IC M5M5255BFP-12LL SOP Parts No. : 315-0930-10 Parts No.: 315-0964-10

IC UM62257M-70LL SOP

Parts No.: 315-1002-70

II Top View & Pin Layout A14 vee

WE A13

Vee AS

MEMORY AS MATRIX A11

512 X 512 CE2 GND

CE1 1 II OS

1101 1/07 1102 1106 1/03 1105 GND

I!OGATE COLUMN

DECODER • Description

Name Function

AO-Al4 Address inputs

1!01-I/08 Data inputs/outputs

CEl, CE2 Chip enable inputs

WE Write enable input

Vee +5V power supply

1101 1108 GND Ground

-42-

Page 33: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC9 SMPC IC CUSTOM CHIP SMPC QFP

Parts No.: 315-5744

•Top View

64 52

19

20 32

• Description

No. 1/0 Name

1 R70 -2 R71

3 R72 1!0

4 R73

5 R50

6 R51 I

7 R52

8 R53

9 - TEST

10 OSCl I!O

11 OSC2

12 - GND

13 X2 1!0

14 XI

15 RESET

16 - vee 17 I cs 18 I R/W

19 AI

20 A2

21 A3

22 I/0

A4

23 AS

24 A6

25 DBO

26 DBI

27 DB2

28 DB3

29 l!O

DB4

30 DBS

31 DB6

32 DB7

I 51

I

33

Function

Not connected.

Reset control

Jumper configuration input

Not connected ~GND

Clock 3

Ground

Clock 4

Master reset input

Power

Chip select input

Read/write input

Address bus

Data bus

-43-

No. 1/0

33

34

35

36 I/0

37

38

39

40

41

42

43 I/0

44

45

46

47 I

48 I

49

50 l/0

51

52 -53

54

55

56

57 1/0

58

59

60

61

62 1/0

63 -64

Name Function

PIOOA

Pl01A

PI02A

PI03A Control pad

PI04A

PI OSA

PI06A

PIOOB

PIOlB

PI02B

PI03B Control pad

PI04B

PIOSB

PI06B

EXL Input

INTO/D13 Input

INT2!R01 Backup RAM reset control

DO Reset control

Dl D2 Not connected.

D3

D4

DS

D6 Reset control

D7

D8

D9

DlO R60

Reset control R61

R62 Not connected.

R63

Page 34: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC10 VDP1 IC CUSTOM CHIP VDP1 QFP IC CUSTOM CHIP VDP1 S QFP

Parts No. : 315-5689 Parts No. : 315-5883

•Top View 126

127

I I I I

• Description

No.

I 2 3 4 5 6 7 8 9 10 11

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

1/0

-

0

-0 0 0 -0 0 -0 0 I

----0 0

0

-

0

' -

0

-

0

85

84

43

42

Name Function

Ne Not connected. VRAMA7 VRAMA8 Address bus (VRAM) VRAMA9

VSS Ground for 1/0 pin veLK Clock (VRAM)

VUDQM Upper byte input/output mask(VRAM)

VLDQM Lowerbyte input/output mask(VRAM) VSS Ground for internal circuit

veASN Column address asserted (VRAM)

VRASN Row address asserted (VRAM) vee Power supply

VWEN Write enable (VRAM)

veSN Chip select (VRAM) MeLK Master clock

RESETN Reset vss Ground for 1/0 pin

esN Chip select

ADN Address/data select

DTEN Data enable

IRON Interrupt request

READYN Ready VBUSO VBUSl Address/data bus (Syscon) VBUS2 vss Ground for 1!0 pin

VBUS3 VBUS4 VBUS5 Address/data bus (Syscon) VBUS6 VRUS7

vee Power supply VBUS8 VBUS9

Address/data bus (Syscon) VBUSlO VBUSll

vss Ground for internal circuit VBUS12 VBUS13 Address/data bus (Syscon) VBUS14

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No. I 110 Name Function

4! ! 0 VBUS15 Address/data bus (Syscon) 42 NC

Not connected. -43 NC 44 FOAO 45 0 FOAl Address bus (FBO) 46 FOA2 47 I - VSS Ground for 1/0 pin 48 0 FOA3 Address bus (FBO) 49 I 0 FOA4 Address bus 50 0 FOAS Frame buffer (FBO) 51 0 FOA6 Address bus (FBO) 52 - vee Power supply 53 FOA7 54 0 FOA8 Address bus (FBO) 55 FOA9 56 0 FOCSN Chip select (FBO) 57 - vss Ground for internal circuit 58 0 FOWEN Write enable (FBO) 59 0 FOCLK Clock (FBO) 60 0 FRRASN Row address asserted (FBO) 6! 0 FOCASN Column address asserted (FBO) 62 0 FOLDQM Lower byte input/output mask (FBO) 63 0 FOUDQM Upper byte input? output mask (FBO) 64 - vss Groun for 1/0 pin 65 FODO 66 FODl 67 0 FOD2 Data bus (FBO) 68 FOD3 69 FOD4 70 - vss Ground for internal circuit 71 FODS 72

0 FOD6

Data bus (FBO) 73 FOD7 74 FOD8 75 - vee Power supply 76 FOD9 77

0 FODIO

Data bus (FBO) 78 FODll 79 FODI2 80 - vss Ground for I/0 pin 81 FOD13 82 0 FOD14 Data bus (FBO) 83 FOOlS 84 NC

Not connected. -85 NC 86 FIDO 87 0 FlDl Data bus (FBI) 88 F1D2 89 - vss Ground for I/0 pin 90 FlD3 91

0 FID4

Data bus (FBI) 92 FIDS 93 FID6 94 - vee Power supply 95 FID7 96

0 FID8

Data bus (FBI) 97 FlD9 98 FIDlO 99 - vss Ground for internal circuit 100 FIDll 101 FID12 102 0 FID13 Data bus (FB 1) 103 FlD14 104 FID15

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No. 1/0 N~me Function

105 - VSS Ground for 1/0 pin 106 0 FICLK Clock (FBI) 107 0 FICSN Chip select (FBI) 108 0 FIWEN Write enable (FBI) 109 0 FIRASN Row address asserted (FBI) 110 0 FICASN Column address asserted (FBI) Ill 0 FlLDQM Lower byte input/output mask (FB 1) 112 - vss Data bus (FB l) 113 0 FIUDQM Lower byte input/output mask (FB 1) 114 FIAO 115 0 FlAl Address bus (FBI) 116 FIA2 117 - vee Power supply 118 FIA3 119 0 FIA4 Address bus (FBI) 120 FlA5 121 0 FIA6 Address bus (FB 1) 122 - VSS Ground for I/0 pin 123 0 FIA7 124 0 F1A8 Address bus (BF1) 125 0 FIA9 126

NC Not connected. -127 128 - HTIMN Horizontal sync timing 129 - VTIMN Vertical sync timing 130 0 V2CLK Video clock (1!2 MCLK) 131 - vss Ground for 1/0 pin 132 0 VOUTO 133 0 VOUTI

Display start address/video data 134 0 VOUT2 135 0 VOUT3 136 - vee Power supply 137 0 VOUT4 Display start address/video output data 138 0 VOUT5 139 0 VOUT6 Video output data 140 0 VOUT7 141 - vss Ground for internal circuit 142 0 VRAMDO 143 0 VRAMDI 144 0 VRAMD2 VRAM data bus 145 0 VRAMD3 146 0 VRAMD4 147 - VSS Ground for 1!0 pin 148 0 VRAMD5 149 0 VRAMD6 150 0 VRAMD7

VRAM data bus 151 0 VRAMD8 152 0 VRAMD9 153 0 VRAMDlO 154 - VSS Ground for internal circuit 155 0 VRAMD11 156 0 VRAMD12

VRAM data bus 157 0 VRAMD13 158 0 VRAMD14 159 - vee Power suppiy 160 0 VRAMDI5 VRAM data bus 161 0 VRAMAO 162 0 VRAMAI 163 0 VRAMA2 164 0 VRAMA3 VRAM address bus 165 0 VRAMA4 166 0 VRAMA5 167 0 VRAMA6 168 - NC Not connected.

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Page 37: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC12/13/15/16

IC UPD4502161G5-A12 TSOP NEC Parts No.: 315-0910-12

IC HM5221605TT-17 TSOP HITACHI Parts No.: 315-1017-17

IC LC382161T-17 TSOP SANYO Parts No. :315-1012-17

• Top View & Pin Layout •Pin Name

Vss A0-A9 Address inputs

0015 0014

DQO-DQ5 Data inputs/outputs

Vss CLK System clock input

0013 CKE Clock enable 0012

Vee 7 Vee cs Chip select

004 0011 RAS Row address strobe command 005 0010

1Vss CAS Col/ address strobe command

009 WE W ritre enable 008

Vee DQML,DQMU DQ mask enable

NC OOMU

Vee Supply voltage

CAS 1 CLK Vss.GND Ground CKE NC No connection NC GNO

AS 1 GNO A7 A6 AS

A3 A4

Vee Vss

• Description

No. 1/0 Pin Name Function

l' 7, 13, 25, 38, 44, - vee Power supply of internal circuits. 50

4, 10,26,41,47,50 - vss Ground pins.

2, 3, 5, 6, 8, 9, 11' 12, 39, 40, 42, 43, l/0 DQ1-DQ16 l/0 pins are the same as conventional DRAM. 45,46,48,49

DQMU controls upper byte and DQML controls lower byte input/output buffers. In read mode, DQMU, DQML control output buffer impedance like conventional OE. If DQMU, DQML is high, output buffers become high

14,36 I DQML,DQMU impedance. If DQMU, DQML is low, output buffers become low imedance. If DQMU, DQML is low, output buffers become low impedance. And when device in write mode, DQMU, DQML control word mask. If DQMU, DQML is high input data is not written to memory cell. If DQMU,

DQML is low input data is written to memory cell.

WE CAS RAS have the same names with conventional DRAM. But these pins 15, 16, 17 I WECASRAS have different definitions with conventional ones. All of these pins only define

command cycle definition. For detail information see command table.

CS low start the command input cycle. When CS is high, all input are not

18 I cs referenced. But even if CS is high, internal operations i.e. bank active or burst are not changed.

19 I A9 A9 is bank select signal (BS). In command cycle, A9=low select bank A and A9=high select bank B.

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Page 38: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

No. 1/0 Pin Name Function

Row address (AX0-AX6, AX8) is detennined by A0-A8 level at the bank active command cycle CLK rising edge. (AX7 is don't care.) Column address (A YO-A Y7) is detennined by AO-A 7 level at read or write command cycle CLK rising edge. And this column address become bun;t

20,21-24,27-30 I AO-A8 access start address. A8 define precharge mode command cycle, both banks are prechareged. But A8=low in when A8=high in precharge command cycle, only one bank that is selected A9 (BS) is precharged. And when A8=high in read or

write command cycle, the precharge cycle start automatically after the last data in bun;t accessing.

31,32 - GND Ground 33,37 - NC Not connected.

CKE detennine next CLK is valid or not. If CKE is high next CLK rising edge is valid. But if CKE is low, next CLK is invalid. If CLK rising edge is invalid,

34 I CKE internal clock is not asserted and J.l PD4504161 becomes halt operation. And when J.l PD4502161 does not in bun;t mode and CKE is negated, J.l PD4502161 enter power down mode. During power down mode CKE must keep low level.

35 I CLK CLK is the master clock input pin. The other inputs signals are referenced at CLK rising edge.

IC14 VDP2 IC CUSTOM CHIP VDP2 QFP YAMAHA IC CUSTOM CHIP VDP2 QFP HH IC CUSTOM CP VDP2 S QFP YAMAHA

Parts No. : 315-5690 Parts No. : 315-5690-02 Parts No. : 315-5890

•Top View 120

121

160

81

40

80

I I

41

• Block Diagram

scu

I Bus control

Scroll picture block

Normal Rotation picture t--<r- picture

coordinate coordinate calculation calculation

i Pattern Window name fo-< f.- control control

Character I-< f.- Line picture control control

VRAM Dot data control r-1 control

VRAM

-48-

VDP2

~ "

;1- -A '-.r-11

-

HN counter & timing generator r Video process

Color offset r----& shadow

Color computing 1--

control

Priority f---.-control

Expanded picture circuit

Output data control

Color RAM

Color RAM control

Sprite control

VDP1

1--

I

r--

f-

Page 39: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

No. 1/0 "Pin Name Function

1 I 0 RBCS VRAM-B chip select

2 0 RBRAS VRAM-B row address strobe

3 0 RBCAS VRAM-B column address strobe r

4 0 RBWE VRAM-B write enable

5 - vss GND

6 0 RBLDM VRAM-B DQ low-order mask enable

7 0 RBUDM VRAM-B DQ high-order mask enable

8 0 RBAO VRAM-B address bit 0

9 I 0 RBA1 VRAM-B address bit 1

10 - VDD +5V power supply

11 I 0 I RBA2 VRAM-B address bit 2

12 0 RBA3 VRAM-B address bit 3 13 0 RBA4 VRAM-B address bit 4 14 0 RBA5 VRAM-B address bit 5

15 - VSS GND 16 0 RBA6 VRAM-B address bit 6 17 0 RBA7 VRAM-B address bit 7 18 0 RBA8 VRAM-B address bit 8 19 0 RBA9 VRAM-B address bit 9 20 1/0 VDO SYSCON interface data bit 0 21 1!0 VOl SYSCON interface data bit 1 22 1!0 VD2 SYSCON interface data bit 2 23 I/0 VD3 SYSCON interface data bit 3 24 - vss GND 25 I/0 VD4 SYSCON interface data bit 4 26 1!0 VD5 SYSCON interface data bit 5 27 1/0 VD6 SYSCON interface data bit 6 28 I/0 VD7 SYSCON interface data bit 7 29 - VDD +5V power supply 30 1!0 VD8 SYSCON interface data bit 8 31 1!0 VD9 SYSCON interface data bit 9 32 1/0 VDlO SYSCON interface data bit 10 33 1!0 VDll SYSCON interface data bit 11 34 1!0 VD12 SYSCON interface data bit 12 35 1!0 VDl3 SYSCON interface data bit 13 36 - vss GND 37 1!0 VD14 SYSCON interface data bit 14 38 1!0 VD15 SYSCON interface data bit 15 39 I AD SYSCON interface address/data selection 40 I DTEN SYSCON interface data enable 41 0 READY SYSCON interface data ready 42 I cs SYSCON interface chip select 43 - VDD +5V power supply 44 0 VINT · SYSCON interface vertical interrupt 45 0 HINT SYSCON interface horizontal interrupt 46 I EXLAT External latch strobe input 47 I EXSYN External sync signal input 48 1!0 EXBGO External input data bit 0 I Test input/output (in test mode) 49 1!0 EXBG1 External input data bit 1 I Test input/output (in test mode) 50 1!0 EXBG2 External input data bit 2 I Test input/output (in test mode) 51 110 EXBG3 External input data bit 3 I Test input/output (in test mode) 52 - VSS GND 53 110 EXBG4 External input data bit 4 I Test input/output (in test mode) 54 l/0 EXBG5 External input data bit 5 I Test input/output (in test mode) 55 110 EXBG6 External input data bit 6 I Test input/output (in test mode) 56 110 EXBG7 External input data bit 7 I Test input/output (in test mode) 57 110 EXBG8 External input data bit 8 I Test input/output (in test mode) 58 1/0 EXBG9 External input data bit 9 I Test input/output (in test mode) 59 1/0 EXBG10 External input data bit 10 I Test input/output (in test mode) 60 1/0 EXBGII External input data bit 11/ Test input/output (in test mode) 61 1/0 EXBGI2 External input data bit 12/ Test input/output (in test mode) 62 1/0 EXBG13 External input data bit 13/ Test input/output (in test mode) 63 I/0 EXBG14 External input data bit 14 I Test input/output (in test mode)

-49-

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No. 1/0 Pin Name Function

64 1!0 EXBGI5 External input data bit I5 I Test input/output (in test mode) 65 1/0 EXBGI6 External input data bit I6/ Test input/output (in test mode) 66 1/0 EXBG17 External input data bit 17 I Test input/output (in test mode) 67 - YSS GND 68 I 1/0 EXBG18 External input data bit 18/ Test input/output (in test mode) 69 I/0 EXBG19 External input data bit 19/ Test input/output (in test mode) 70 1/0 EXBG20 External input data bit 20 I Test input/output (in test mode) 71 1/0 EXBG21 External input data bit 21 I Test input/output (in test mode) 72 I/0 EXBG22 External input data bit 22 I Test input/output (in test mode) 73 I/0 EXBG23 External input data bit 23 I Test input/output (in test mode) 74 I EXON External input data display timing 75 - YDD +5Y power supply 76 I CLK Main clock input 77 0 EXSL External video select signal 78 I RESET Initial reset input 79 I NTSC NTSC/PAL selection 80 - YSS GND 81 - AYSS GND of linear RGB 82 0 R Linear R output 83 0 G Linear G output 84 0 B Linear B output 85 - AYDD +5Y power supply of linear RGB 86 0 CSYNC Composite sync signal output 87 0 YSYNC Vertical sync signal output 88 0 HSYNC Horizontal sync signal output 89 - YDD +5Y power supply 90 0 DCLK Dot clock output 91 0 HTIM YDP1 interface H timing 92 0 YTIM YDP1 interface Y timing 93 1/0 FBDO YDP1 interface data bit 0 94 1/0 FBDI YDPI interface data bit I 95 1/0 FBD2 YDP1 interface data bit 2 96 1/0 FBD3 YDPl interface data bit 3 97 - YSS GND 98 I/0 FBD4 YDPI interface data bit 4 99 1/0 FBD5 YDPl interface data bit 5 100 1/0 FBD6 YDPl interface data bit 6 101 I/0 FBD7 YDPI interface data bit 7 102 0 RAAO VRAM- A address bit 0 103 0 RAAl YRAM- A address bit I 104 0 RAA2 VRAM- A address bit 2 105 0 RAA3 VRAM- A address bit 3 106 - vss GND 107 0 RAA4 ·- VRAM- A address bit 4 108 0 RAA5 VRAM-A address bit 5 109 0 RAA6 VRAM- A address bit 6 110 0 RAA7 VRAM- A address bit 7 I II - VDD +5V power supply 112 0 RAA8 VRAM- A address bit 8 Il3 0 RAA9 YRAM- A address bit 9 ·-114 0 RACS VRAM=A chip select 115 0 RARAS VRAM- A row address strobe 116 - vss GND ll7 0 RACAS VRAM- A column address strobe 118 0 RAWE VRAM- A write enabie 119 0 RALDM VRAM- A DQ low- order mask enable 120 0 RAUDM VRAM- A DQ high- order mask enable I2I I/0 RADO VRAM- A data bit 0 122 1/0 RADI VRAM- A data bit 1 123 1/0 RAD2 VRAM- A data bit 2 124 1/0 RAD3 VRAM- A data bit 3 125 - vss GND 126 I/0 RAD4 VRAM- A data bit 4

-50-

Page 41: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

No. I 1/0 Pin Name Function ~

127 1/0 i RAD5 YRAM - A data bit 5

128 I 1/0 RAD6 YRAM - A data bit 6

129 i 110 I RAD7 YRAM - A data bit 7 I 130 I - I VDD +5Y power supply

131 i 1/0 I RAD8 VRAM - A data bit 8

132 I 1/0 ! RAD9 YRAM - A data bit 9

133 j 1/0 I RADIO I YRAM - A data bit 10

134 1/0 I RADII VRAM - A data bit 11

135 ! - I VSS GND 136 I 1/0 RADI2 VRAM - A data bit 12 137 I 1/0 l i RAD13 VRAM - A data bit 13 138 1/0 RAD14 YRAM - A data bit 14 139 I 1/0 RADI5 YRAM- A data bit 15 140 l 0 RCLK YRAM - AlB clock 141 I I TEST Test mode selection (normally, connected to VDD) 142 1!0 RBDO VRAM - B data bit 0 143 I 110 I RBD1 YRAM - B data bit 1 144 1/0 RBD2 YRAM - B data bit 2 145 1!0 RBD3 YRAM - B data bit 3 146 J - vss GND !47 I 1/0 RBD4 VRAM - B data bit 4 148 1/0 RBD5 VRAM - B data bit 5 149 i 1/0 RBD6 VRAM - B data bit 6 150 1/0 RBD7 YRAM - B data bit 7 151 - VDD +5V power supply 152 1/0 RBD8 YRAM - B data bit 8 153 1!0 RBD9 VRAM - B data bit 9 154 1/0 RBDIO YRAM - B data bit 10 155 I/0 RBDI1 YRAM - B data bit 11 156 - vss GND 157 1!0 RBDI2 VRAM- B data bit 12 !58 1/0 RBDI3 YRAM - B data bit 13 159 1/0 RBD14 YRAM - B data bit 14 160 I 1/0 RBDIS VRAM- B data bit 15

-51-

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IC17 SCSP

IC CUSTOM CHIP SCSP QFP YAMAHA

Parts No. : 315-5687

•Top View 96

97

• Description

No.

1 2 3 4 5 6 7 8 9 10 11

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

1/0

I/0

-

1!0

0 0 -I -I

I

-I I I I -0 0 0 0

0

0 -

0

-

0

1!0

65

64

33

32

Pin Name

MCD6 MCD5 MCD4 MCD3 vss

MCD2 MCDI MCDO

MCRDYN MCINTN

VDD

RESETN vss

MACK

INT2N INTlN INION VDD ESD

EBCK ELRCK

MIDIINP VSS

MIDI OUT

MRASN MWEUN MWELN MCASON MCASIN MOEN VDD MAO MAl MA2 MA3 MA4 MAS vss MA6 MA7 MAS MDO

Function

MCPU data bus

GND

MCPU data bus

Ready signal to MCPU Interrupt request to MCPU Power supply (Sv) SCSP reset input GND SCSP master clock: 512fs (22.58MHz)

SCSP external interrupt request input

Power supply (Sv) Digital audio interface serial data input Digital audio interface BCK Digital audio interface LRCK MIDI input

·. GND MIDI output RAS signal Write signal corresponding to MD[IS-8] Write signal corresponding to MD[7-0]

CAS signal

Sound memory data output enable Power supply (Sv)

Sound memory address

GND

Sound memory address

Sound memory data

-52-

Page 43: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

No. 1/0 .. Pin Name Functior,.

43 1!0

MDI Sound memo!)' data

44 MD2 45 - YDD Power supply (5Y) r

46 MD3 47 MD4

48 1/0

MD5 Sound memo!)' data

49 MD6 50 MD7 51 MD8 52 - vss GND 53 MD9 54 MDIO 55

1/0 MDII

Sound memo!)' data 56 MD12 57 MD13 58 MD14 59 - YDD Power supply (5Y) 60 l/0 MD15 Sound memo!)' data 61 0 DSD DAC interface serial data output 62 0 DBCK DAC interface BCK 63 0 DLRCK DAC interface LRCK 64 0 DSCK DAC interface system clock [256fs clock] 65 SCA23 66 SCA22 67 I SCA21 SCPU address bus 68 SCA20 69 SCA19 70 - YSS GND 71 SCA18 72 SCA17 73 SCA16 74 SCA15 75 I SCA14 SCPU address bus 76 SCA13 77 SCA12 78 SCAli 79 SCAlD 80 - YDD Power supply (5Y) 81 SCA9 82 SCAB 83 SCA7 84 SCA6 85 I SCA5 SCPU address bus 86 SCA4, 87 SCA3 88 SCA2 89 SCAI 90 - vss GND 91 SCFCO 92 I SCFCI SCPU status input 93 SCFC2 94 I SCWTN SCPU write 95 I SCLDSN SCPU SCD [7 -0] strobe 96 I SCUDSN SCPU SCD [15-8] strobe 97 I SCASN SCPU address strobe 98 - TESTN LSI test signal (Not connected) 99 - YDD Power supply (5Y) 100 0 SCDTAKN SCPU data acknowledge 101 0 SCAYECN SCPU auto vector interrupu specification 102 SCIPLON 103 0 SCIPLlN SCPU interrupt level specification 104 SCIPL2N 105 1/0 SCDO SCPU data bus

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No. 1/0 Pin" Name Function

106 1!0 SCDI SCPU data bus 107 - vss GND 108 SCD2 109 SCD3 110 SCD4 Ill I/0 SCDS SCPU data bus 1!2 SCD6 1!3 SCD7 1!4 SCD8 !IS - VDD Power supply (SV) 116 SCD9 117 l/0 SCDIO SCPU data bus 118 SCDll 119 - vss GND 120 SCD12 121

1/0 SCD13

SCPU data bus 122 SCD!4 123 SCDIS 124 - vss GND 125 I MCCSN Select signal from MCPU 126 I MCCK 28 MHz clock from MCPU 127 - VDD Power supply (SV) 128 I/0 I MCD7 MCPU data bus

• SCSP Chip Block Diagram

l SCPUI (SOUND CPU) I I LFO (LOW FREQ OSCILLATOR) I ALFO PLFO

I MCPUI (MAIN CPU} I I 7f I DMA I IPLFO I PG(PITCH GENERATOR)

I

:MIDI I I ADP (ADDRESS POINTER) I l EXT(AUDIO INPUT) I 7

I MEMCT (MEMORY CONTROLLER)

I 6 +16

[EG (ENVELOPE GENERAT~~ I liNTER (INTEPOLA TOR}

_t_1o t2o

l -lEG ALFOL PCM DATA I MULTI (MULTIPLIER)

~ ...... , : sous

2o············· r- : .. :-.. : .. :: .. :-------;: .. ~-~ .-: .. :,- -; .. :i:::-.:;- 1

: EXTS : : MIXS : : MEMS: ..... l .. , I

·····T···· ..... T ..... J

I I

I "DSP"

...... ! .... ,

~ L~~;~~.J • . .. J ... , : SEL :

------------- -~---~--------·····.:.r;··· I 16

I DIRECT EFFECT OMIX (OUTPUT MIXER)

I t

DAC

-54-

I

16

I

r

~ - DRAM

Page 45: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC18 SOUND CPU (68000) IC MC68ECOOOFN12 PLCC MOTOROLA

Parts No.: 315-0941

•Top View 9

26

27

• Description

No. I

1/0 Name

I - GND 2 D4 3 I D3 4 l/0 D2 5 Dl 6 DO ..,

AS I

8 0 UDS

9 LDS 10 RIW

61

60

44

43

Function

Data bus

Address strobe Upper data strobe Lower data strobe Read/write

• Signal Description

PROCESSOR{ STATUS

SYSTEM{ CONTROL

vee GND

CLK

FCO

FC1

FC2

BERR

RESET

HALT

No.

35 36 37 38 39 40

r--;n 42 43 44

MC68ECOOO

1/0 Name

- GND A4 AS A6 A7 A8 A9

AlO All

0 Al2 II I DTACK Data transfer acknowledge 45 Al3 12 0 BG Bus grant 46 A14 13 I BR Bus request 47 Al5 I4 vee Power -IS

48 Al6 49 A17

16 I CLK Clock 50 Al8 17

GND Ground -18

51 Al9 52 A20

19 I MODE 8 bit/16 bit select 53 - vee 20 1/0 HALT Halt 54 A21 21 l/0 RESET Reset 55 0 A22 22 - NC Not connected 56 A23 23 I AVEC 57 - GND 24 I BERR Bus error 58 DIS 25 IPL2 59 D14 26 I IPLI Interrupt control 60 Dl3 27 IPLO 61 D12 28 FC2 62 Dll 29 0 FCI Processor status 63 I/0 DIO 30 FCO 64 D9 31 AO 65 D8

32 0

AI Address bus

33 A2

66 D7 67 D6

34 A3 68 D5

-55-

ADDRES!iBU s 3-Al )A2

DATA BUS 01

AS

Rfii

uos > Ios DTACK

BR } BG

IPLO

iPTI IPL2 > AVEC J

Ground

5-00

ASYNCHRONOUS BUS CONTROL

BUS ARBITRATION CONTROL

INTERRUPT CONTROL

Function

Address bus

Power

Address bus

Ground

Data bus

Page 46: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC19 Sound DRAM

IC HM514270AJ-8 SOJ HITACHI Parts No. : 315-0777-80

IC UPD424270LE-70 SOJ NEC Parts No.: 315-0739-70

IC MN414270SJ-08 SOJ PANASONIC Parts No. : 315-0822-80

• Top View & Pin Layout

Vss

1/015

1/014

1/013

11012

Vss

1/0ll

11010

IIOg

Input State

RAS CAS UWE

H H D H L H L L H L L L2) L L L2) L L H~L

L H D H~L L D

L H~L H L H--+L L2) L H-+L L2) L H~L H-+L

Output

LWE State

D Open H Valid H Valid

L2) Open L 2) Underlined

H--+L Valid D Open D Open H Valid

L2) Open L2) Underlined

H-+L Valid

IC HM514270Aj-7 SOJ HITACHI Parts No.: 315-0777-70

Operation Mode

Standby Standby Read cycle Early write cycle Delayed write cycle Read modified write cycle

RAS onlY_ refresh 9:_cle CAS before !RAS refresh 9:_cle High-speed page mode read cycle High-speed page mode early write cycle High-speed page mode delayed write cycle High-speed page mode read modified write cycle

1 1108

NC NC

CAS

oe As A7

As As A4

Note: H=High(inactive), L=Low(active), D=Don't care.

IC20 PLL IC CUSTOM CHIP PLL HQFP

Parts No.: 315-5746

II Top View

6

28

20

15 § §

7 14 ~ ~

~--~4~--------------------~3~--~~~

OSIN1

NPSEL 1 }------1----'

DO~EL 2r----------+~====~------------~~r-~ SYSRES 3

DVOD

OSIN2

OSOUT2

EXTCLK 1}----f---'

oscsw 7)-----4-----'

-56-

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• Description No. 1/0 Name

1 NPSEL 2

I OOTSEL

3 SYSRES 4 TEST 5 I 0 I SCPCLK 6 EXTCLK

7 I oscsw

8 - DGND 9 0 OSOUT2 10 I I I OSIN2 I 11 - OSVDD2 12 0 POOUT2 13 I VCOIN2 14 -e;-,_ AC2 15 0 AP02 16 - AVDD2 17

1/0 SNDCLK

18 OOTCLK 19 - AVDDI 20 0 APOl 21 I - ACl 22 I VCOIN1 23 0 POOUTl 24 - OSVDDl 25 I OS!Nl 26 I 0 OSOUTl 27 - DVDD 28 I 0 FSC

IC21

IC CXA 1645M SOP SONY

Parts No.: 315-5314

• Block Diagram

GND2 ROUT GOUT

GND1 RIN GIN BIN

Fun-ction

NTSC (SV)IPAL (OV) mode switching control 320PIX (OV)I352PIX (5V) mode switching control Reset (OV reset) Test pin Clock signal output External clock input I CMOS I with pull-down resistor incorporated

Czystal oscillation/external clock signal input switching control (5V: Crystal oscillation, OV: External clock signal) I CMOS I with pull-up resistor incorporated

Ground of digital circuits Czystal oscillator output (OSC2) I Oscillation output 0 Czystal oscillator input (OSC2) I Oscillation input I VDD of czystal oscillator (0SC2) Phase detector (PD2) output VC02 input I Analog I Phase compensator pin I Analog VC02 amp output I Analog 0 Analog VDD of VC02 Clock signal output Clock signal output Analog VDD ofVCOI VCOl amp output I Analog 0 Phase compensator pin I Analog VC01 input I Analog Phase detector (PD 1) output VDD of crystal oscillator (0SC1) Czystal oscillator input (OSCl) I Oscillation input I Czystal oscillator output (0SC1) I Oscillation output 0 VDD of digital circuits

I Clock output signal

CVOUT VCC2 FO YTRAP YOUT COUT VREF I REF

NC SCIN NPIN BFOUT YCLPC SYNCIN NC VCC1

-57-

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• Description No. 1/0

1 -

2 3 I 4 5 -6 I 7 I 8 0 9 -10 I I I -

12 -

13 -I4 -I5 0 16 0

I7 -

18 -

19 -20 0 21 22 0 23 24 -

IC22 DAC

IC TDA1386T SOP PHILIPS

Parts No.: 313-5313

Pin Name

GNDl

RIN GIN BIN NC

SCIN NPIN

BFOUT YCLPC

SYNC IN NC

YCCI !REF VREF COUT YOUT

YTRAP

FO

YCC2 CYOUT BOUT GOUT ROUT GND2

II Top View • Description

VDOO No. 1/0 Vss--. Vsso 1 -

Vm 2 -1 VCR 3 I

FILTCR 4 I 1 FILTCL 5 I

VOL 6 I APPo 7 I

1 APP1 8 I 1 APP2 9 -

TEST 11 APPL 10 -SYSCLK APP3 11 1

12 -13 I 14 I 15 I 16 I 17 I tQ A .u v

19 -

20 -

21 0

22 -23 -24 -

Function

Ground of circuits other than RGB, composite video and Y /C output circuits.

Analog RGB signal inputs. The signals should be input with 100%=1 Yp-p (max.).

Not connected. Subcarrier input NTSCIPAL mode switching pin BF pulse monitoring output Time constant which determines the Y signal clamp is connected. Composite sync signal input. Receives it at the TTL leveL Not connected. Power supply of circuit other than RGB, composite video and Y /C output Pin to determine the internal reference current leveL Internal reference voltage pin. Chroma signal output. Can drive a 75 Q load. Y (luma) signal output. Can drive a 75 Q load.

Reduces cross-color caused by subcarrier frequency components contained in the Y signaL

Adjusts fo of the internal filter. Connect the following resistor between this pin and ground depending on the NTSC or PAL mode. Power supply of RGB, composite video and Y/C output circuits. Composite video signal output. This can drive a 75 Q load.

Analog RGB signal outputs. These can drive a 75 Q load.

Ground ofRGB, composite video and Y/C output circuits.

Pin Name Function

VDDA Analog sul'_ply voltage VSSA Analog ground TEST! Test input 1; pin should be connected to ground.

BCK Bit clock input. WS Word select input.

DATA Data input CKSLl Format selection 1. CKSL2 Format selection 2. YSSD Digital ground VDDD Digital supply voltage. TEST2 Test input 2 ; pin should be connected to ground.

SYSCLK System clock 256 fs APP3 Application mode 3 input. APPL Application mode selection input. APP2 Application mode 2 input.

APPl Application mode 1 input. APPO Application mode 0 input. VOL Left channel output.

FILTCL Capacitor for left channel first-order filter function, should be connected between pins 19 and 18.

FILTCR Capacitor for right channel first-order filter function, should be connected between Pins 20 and 21.

YOR Right channel output.

VREF Internal reference voltage for output channels (O.SV ooo typ. ).

vsso Operational amplifier ground. VDDO Operational amplifier supply voltage.

-58-

Page 49: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

• Block Diagram

6 DATA---t-"------1 SERIAL

5 WS DATA

BCK 4 INPUT

TEST1

TEST2

3

11

FILTCL 19

1 nF

VOL

10 IJ. F'l

RCONV1

4fs DIGITAL UP-SAMPLE FILTER AND FEATURES

CKSL1 CKSL2

13

9

20

RCONV2

VssA J

.____231~1---11-21---Vsso Vooo

-59-

SYSCLK

APPL

APPO

APP1 APP2 APP3

Vooo

Vsso

FILTCR

Page 50: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC23/24 74VHC04 IC 74VHC04 SOP 300MIL

Parts No. : 314-0632

II Top View & Pin Layout

IC25 IC S-80741AL-AS CHIP

Parts No. : 313-5322

II Top View

Top View

2 3

IC26/27/29/30 74LS245 IC 74LS245 SOP 300MIL

Parts No. : 314-0563

II Top View & Pin Layout

1 OUT 2 VDD 3 vss

1Y 2

2Y 4

3Y 6

4Y 8

SY 10

6Y 12

r----------------------------------,

I __________________________________ J

II Function Table

-60-

Enable !Direction

G Control

DIR L L

L H

H X

H : High level L: Low level X: "H" or "L"Ievel

Operation

B data to A bus

A data to B bus

Isolation

OUT

Page 51: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

IC28 OCTAL BUS TRANSCEIVER IC 74ACT245 SOP 300MIL

Parts No. : 314-0649

BTopView

IC31/32 DRAM

IC HM514260AJ-7 SOJ

Parts No.: 315-0947-70

IC KM416C256BJ-7 SOJ SUMSUNG

Parts No.: 315-0983-70

BTop View

vee 1/015

1/014

1/013

1/012

Vss 1/011

1/010

1/09

1 1/0s

NC

LCAS

UCAS OE' AS

A7

AB

A5

A3 A4

B Logical Operation Circuit

IC UPD424260LE-70-E2 SOJ NEC

Parts No. : 315-0985-70

IC M8814260-70PJ-G SOJ FUJITSU

Parts No. : 315-0984-70

-61-

B Truth Value Table

INPUT FUNCTION OUTPUT STATE

G IDIR ABUS I BBUS

LlL OUTPUT INPUT A=B

L I H INPUT OUTPUT B=A

H lx High impedance z X: Don't care Z: High impedance

IC TC514260BJ-70 SOJ TOSHIBA

Parts No.: 315-0986-70

IC HY514260BJC-70 SOJ HYUNDAI

Parts No.: 315-1030-70

Page 52: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

iC33 IC 74HC157 SOP Parts No. : 314-0634

II Top View

IC34 IC UPC78L05T CHIP Parts No. : 313-5323

II Top View

IC35

1. OUTPUT 2. COMMON

(SHIELD PLATE) 3.1NPUT

IC S-80723AN-DL CHIP Parts No. : 313-5328

•Top View

0 0 0 2 3

Y1 Y2

4 7

IC TA78L05F CHIP Parts No. : 313-5323-01

1. OUT 2.VDD 3. vss

liD escnptron No. Name Function

I SEL Common data select input 2 AI Data inputs from source 0 3 81 Data inputs from source 1 4 Yl Multiplexer outputs 5 A2 Data inputs from source 0 6 82 Data inputs from source I 7 Y2 Multiplexer outputs 8 GND Ground (OV)

9 Y3 Multiplexer outputs 10 83 Data inputs from source 1

Data inputs from source 0 Y3 Y4

9

11 A3 12 12 Y4 Multiplexer outputs

13 84 Data inputs from source I 14 A4 Data inputs from source 0 15 G Enable input (active LOW) 16 Vee Positive supply voltage

r---------------------~ I

I I

I I

L---------------------~

-62-

Page 53: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

SH1 BOARD IC1 01 SHJ CPU "

IC CUSTOM CHIP SHi QFP

Parts No.: 315-5785

•Top View 112

28

29

• Description

No. I 1/0

I i 2 3 I 4 s 6 7 I

I/0 8 9 10 11

12 -

13 I/0

14 15 -

16 17 18

1/0 19 20 21.

22 -

23 24 2S . 26

0 27 28 29 30 31 -32 33 34 3S

0 36 37 38 39 40 -41

0 42 43 -44 45

0 46 47 48 0 49 0

IC CUSTOM CHIP SH1 A QFP

Parts No. : 3l5-5785A

85

56

Pin Name Function

IROL Host command intenupt input (level detection) IRQH CD-ROM sync detection, subcode sync detection intenupt input (level detection) VSS Ground ADO ADI ADZ AD3

Data input/output AD4 ADS AD6 AD7 VSS Ground ADS

Data input/output AD9 vee +SV AD10 AD11 AD12

Data input/output AD13 AD14 ADIS VSS Ground AO A1 A2 A3

Address output A4 AS A6 A7

VSS Ground A8 A9 AIO All

Address output A12 Al3 AI4 AIS vss Ground AI6

Address output Al7 vee +5V AI8 Al9

Address output A20 A21 NC Not connected.

CASH DRAM CASH output

-63-

Page 54: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

r-No. 1/0 Pin Name Function

50 0 CS2 CS2 output (GA, MPEG, other area 2 access) 51 0 CASL DRAM CASL output 52 vss Ground

53 l TIOCAO MPEG A data transfer (DMA3) request input (edge detection) 54 0 RAS DRAM CASL output 55 l/0 CS6 CS6 output (area 6 access)

56 - NC Not connected. 57 0 WRL WRLoutput 58 0 WRH WRH output 59 0 RD RD output 60 0 RESET GA reset output. Lo: RESET, Hi: Release 61 - VSS Ground 62 0 NC Not conncted. 63 0 IRQOUT Spare (Spare to output "Lo" during intenupt process) 64 I TIOCAI MPEG V data transfer (DMA2) request input (edge detection) 65 0 NC Not conncted. 66 0 DACKO DMAO (for CD-ROM sector data input) ACK output (toGA) 67 I DREOO DMAO (for CD-ROM sector data input) REQ input (from GA) 68 0 DACKI DMA1 (for host data input/output) ACK output (toGA) 69 I DROOl DMA1 (for host data input/output) REQ output (from GA) 70 - vee +SV 71 0 CK SH-1 system clock output (20MHz) (toGA) 72 - VSS Ground 73 I EXTAL A crystal oscillator is connected. 74 I XTAL A crystal oscillator is connected. 75 - vee +SV 76 I NMI +SV 77 - vss Ground 78 - NC Not conncted. 79 I RESET Reset input (reset at "Lo") 80 MOO 81 I MDI MCU operation mode setting pins. The built-in ROM is effective. 82 MD2 83 - vee +5V 84 - vee +5V 85 - vee +5V (power supply of analog circuits) 86 - VREF +5V (analog reference power supply) 87 NC 88 NC

Ground (not used) -89 NC 90 NC 91 - AVSS Ground (analog ground) 92 - NC Ground (not used)

93 I VCD ·• Input to detect whether VCD is connected or not. Lo: CD drive connected, Hi: VCD connected.

94 - NC Ground (not used) 95 - NC Ground 96 - VSS Ground 97 I MPEGAIRQ MPEG A intenupt input (edge detection) 98 I MPEGVIRQ MPEG V intenupt input (edge detection) 99 - vee +5V 100 I COMSYNC CD communications start signal input. Lo: Start, Hi: In the middle

101 I COMREQ CD communications sync intenupt input (edge detection). Lo: Duringclock transfer, Hi: During interval.

102 - NC Not conncted. 103 - NC Not conncted. 104 {"\ DEMP Deemphasis output. Lo: DEMP OFF, Hi: DEMP ON '-'

105 - NC No conncted. 106 - VSS Ground 107 I CDATA CD communications data input (SCKO used) 108 0 HDATA CD communications data output (SCKO used) 109 I TEST Test control input. Lo: Test mode, Hi: Normal mode 110 0 TDATA Test data output Ill 0 COMCLK CD communications clock output (SCKO used) ll2 0 TCLK Clock output for test data

-64-

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SH1 BOARD IC1 02 DRAM IC HM514260AJ-8 SOJ IC HM514260AJ-7 SOJ

Pans No.: 315-0947-80 Pans No.: 315-0947-70

• Top View & Pin Layout •Pin Name

Vss 1/015

1/014

7 1/013

1/012

Vss 1/011

1/0!0

1/09

1 1/08 NC LCAS

liCAS OE

A8

A7

As A5

A4

• Block Diagram

RAS

1/0 1 1/0 2 I I

1110 BUFFER

I '(7

C/) a: :J w ID >

C/) g a: 0 0 :E <1!1 <1!1

~ 256k en a: 0 w

ti MEMORY :E 0 :E CELL e:. 0 < (.)

w ARRAY ti w C/) :::E 0 z < z w w :::E C/) C/) :J

z _, w 0 C/) (.)

~ WORD L;'). jV DRIVER

ROW DECODER

I

~7

C/) :J ID

g <1!1

en ·-

0 :E e:. ti :E < w C/) z w C/)

Pin Name

A0-A8

AO-A8

1!01-1/04

RAS

CAS

WE

OE

Ycc

Yss

1/0 3 1/0 4 I I

1110 BUFFER

II

en en 0 0 :E :E

256k ~ ~ 256k MEMORY ti ti MEMORY

CELL :E :::E CELL c( c(

ARRAY w w ARRAY C/) C/) z z w w C/) C/)

WORD WORD DRIVER DRIVER

ROW ROW DECODER DECODER

Function

I address input

Refresh address input

Data input/output

Row address strobe

Column address strobe

Write enable

Output enable

Power suppply ( +SY)

Ground

~~ 1 C/) a: C/) :J w :J ID > ID

g a: g 0

oo!! <1!1 <1!1

en a: en 256k 0 w 0 :E 0 :E MEMORY e:. 0 e:. CELL (.)

ti w ti ARRAY :::E 0 :E < z < w :E w C/) :J C/) z _, z w 0 w C/) (.) C/)

-<~ WORD DRIVER

ROW DECODER

I ROW ADDERSS BUFFER I I COLUMN ADDRESS BUFFER I

ir ~t AO-A8 I

-65-

C/)

0 :::E ~ ti :E < w C/) z w C/)

Page 56: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

SH1 BOARD !C103 IC CUSTOM CHIP OCU YGR019A

Parts No. : 315-5873

IITopView 168

42

I I I

43

127

126

85

84

II Block Diagram

SH uP

OESCRAMBLE T SUBCODE

IRQ 1 ~'"'""I "" (Upper) ~mrQ~b~ IRQ2 Jf ROTECTO

L ~C(CRCC>!-H CTRL ADR DATA (4M DRAM)

GACTRL l CDIROMSKJ (Upper) [ SPDATA 1- { L SUBCODE

W·-r~t I GASTAT 18 I-- 8

~ 18 .......... --~

: = I== = = F= r--

'7 '7 '7 '"[> : J& v <l -' VIC: 18

~: ~ I L ~ J "0 VIW

ISH-FIF~ we :za: \ DATA -~ a:o .......-:E:z eo CTRL - COUNTER i=O ow CD I ROMS~ COl RQREQJ ~COMMANDd (.) <e (Lower) (Lower) , REG. o-3 - v_

'7 - lsummj -' VIC: HI ROMSK I L HI ROOREO] ~RESPONSE! I L

oo VIW DATA -r _<\t_ :za: we STAT -~ a:o ~ r-~ • r REG. o-a :E:z Ct.> t-BUS FIF~ i=O ow '\ '7 \ 7 J: , COUNTER (.) <e

.,~ I A-bus DATA I

II I. ir II IRQ ~ 18 Auod

HOST SYSTEM

-66-

CD SIGNAL PROCESSOR

CD-ROM Data

CO-DA

HD49232

v: ~

:~ rr: MPEG Audio

.~ !--; -

: ~ : =~ MPEG

Video

SHDATA BUS (BufferedSUB)

18

' RGB '7 25

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II Description I

1/0 Name "Function No. I I

I I MVPRT Video transparency control signal

2 MVR7 '

3 MVR6

4 I MVR5 Video red color data

5 MVR4

6 MVR3

7 - vee Power supply

8 - VSS Ground

9 MVG7

10 MVG6

11 I MVG5 Video green color data

12 MVG4

13 MVG3

14 I MVB7 Video blue color data

15 - vss Ground

16 MVB6

17 MVB5 Video blue color data I

18 MVB4

19 MVB3

20 AAl

21 I AA2 A-BUS address bus

22 AA3

23 - VSS Ground

24 AA4

25 AA16 A-BUS address bus I

26 AA17

27 AA18

28 I AeS2 Chip select signal from A-BUS

29 I WTRS Wait control signal used to transfer MPEG video frame data

30 - vss Ground

31 0 FDACK MPEG video frame data transfer control signal

32 0 MVCS MPEG video chip select signal

33 0 MACS MPEG audio chip select signal

34 0 TP5 Test pin

35 - vee Power supply

36 - vss Ground

37 I RESET Gate array system reset signal

38 I MABieK Sync clock used to transfer MPEG audio serial data

39 I MASDATAI MPEG audio serial data signal

40 I MALRCLK Clock used to detect MPEG audio serial data L/R

41 I TP2 Test pin

42 I seS6 SH chip select 6

43 - vss Ground

44 SDLO

45 SDLI

46 I SDL2 SH uP subdata bus

47 SDL3

48 SDL4

49 - vee Power supply

50 - VSS Ground

51 SDLS

52 SDL6

53 SDL7 SH uP subdata bus I

SDLB 54

55 SDL9

56 SDLIO

-67-

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.. No. 110 Name Function

57 - vss Ground

58 SDLll

59 SDL12

60 I SDL13 SH uP subdata bus

61 SDL14

62 SDL15

63 - vee Power supply

64 - vss Ground

65 SA21

66 SA20

67 I SA4 SH uP address bus

68 SA3

69 SA2

70 I SRD SH uP read enable signal

71 - vss Ground

72 I SHCK 20MHz clock

73 I SAl SH uP address bus

74 I IRQOUT SH uP interrupt factor generation signal

75 I SCS2 SH uP chip select 2

76 I DACKl Channel 1 DMA transfer response

77 - vee 78 - vss Ground

79 I DACKO Channel 0 DMA transfer response

80 CASH DRAM control signal

81 I

CASL 82 I SWRH SH uP upper byte write enable signal

83 I SWRL SH uP lower byte write enable signal

84 I SA19 SH uP address bus

85 I TP3 Test pin

86 - vss Ground

87 0 DSWR Delayed write cycle control signal

88 0 DREQ1 Channel 1 DMA transfer request

89 0 DREQO Channel 0 DMA transfer request

90 I SDH15 SH uP main data bus

91 - vee Power supply

92 - VSS Ground . 93 SDH14

94 SDH13

95 I SDH12 SH uP main data bus

96 SDH11

97 SDH10

98 - VSS Ground

99 SDH9 Power supply

100 SDH8

101 I SDH7 SH uP main data bus

102 SDH6

103 SDH5

104 - vee Power supply

105 - vss Ground

106 SDH4

107 SDH3

108 I SDH2 SH uP main data bus

109 SDH1

110 SDHO

111 0 SIRQH SH uP upper byte (CD-ROM) interrupt signal

112 - vss Ground

-68-

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No. 1/0 Name Functfon

113 0 I SIRQL SH uP lower byte (A-BUS) interrupt signal

114 I 0 BCK Audio serial data sync clock

115 0 LRCK Audio L!R channel switching signal

116 - vee I Power supply

117 0 SD Audio serial data

118 i 0 SUBCK Subcode input clock

119 I - vee Power supply

120 I - vss Ground

121 I CFCKO Frame sync signal

122 I SUBOUT CD subcode data

123 I SI Subcode block sync signal

124 I DAS CD-DA audio serial data

125 I CKX CD audio serial data sync clock

126 I MPX CD audio L!R channel switching signal

127 - VSS

128 I C2F C2 error flag

129 I ' SMPX CD-ROM data byte sync signal

130 I SDAS CD-ROM serial data

131 I SCKX CD-ROM serial data bit sync signal

132 - vss Ground

133 - vee Power supply

134 - vss Ground

135 ATIM1 A-BUS timing control signal

136 I

ATIMO

137 I I ARD A-BUS read signal

138 - VSS Ground

139 I AFCO A-BUS timing control signal

140 I AWRO A-BUS lower byte write signal

141 I AWR1 A-BUS upper byte write signal

142 I AFCl A-BUS timing control signal

143 - vss Ground

144 0 AWAIT A-BUS wait control signal

145 0 AIRQ A-BUS interrupt signal

146 - T Test signal for scan pass

147 ADO

148 I

AD! A-BUS data bus

149 - vee Power supply

150 - vss Ground

151 AD2

152 I

AD3 A-BUS data bus

153 AD4

154 ADS

155 - VSS Ground

!56 AD6

157 AD7

158 I AD8 A-BUS data bus

159 AD9

160 ADlO

161 - vee Power supply

162 - VSS Ground

163 ADII

164 AD12

165 I AD13 A-BUS data bus

166 ADI4

167 AD15

168 - vss Ground

-69-

Page 60: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

& PARTS LIST LODEDVIEW 11. EXP loded View ~ 54

11-1. Exp I / _

6

4

6

A

', ' I I I

5

.....,."'""""' i ~~:2J .1--·;--

B

- 70 ···.~

1-2

21

r----. -------~--I

I • I I I I I I I

- --:

-----, I

I I

[__-- -=----_-_-_-_-:_-_ r I I I I I I

_I - - -::..::. =::..-::..::.. ~

I I

L__

c 0

I I

CNI I I I I

I I

j

Page 61: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

11-2. Mechanical Parts List Ref. Parts No. Description Ref. Parts No. Oeser i pt ion No. No.

1 610-5862 ASSY TOP CASE SATURN EUR [1] 54 601-7815 STAELE PROTECTION SHEET SAT 1 610-5927 ASSY TOP CASE SATURN AUS [2]

1-1 610-5864 ASSY LID CD SATURN EUR 1-2 253-7015 TOP CASE SATURN EUR 1-3 253-7013 LID CRTG SATURN USA 1-4 253-6917-03 BUTTON OPEN SATURN USA 1-5 253-6919-03 BUTTON RESET SATURN USA

1-6 253-6920 BUTTON OPEN LEVER SATURN JPN 1-7 253-7012 MOUNT POWER UNIT PCB SAT USA 1-8 253-7010 PANEL DEC. FRONT SATURN USA 1-11 601-7774 OIL DUMPER SATURN 1-12 250-5404 BRACKET LEVER SATURN JPN

1-13 250-5423 BRACKET LID CD SPRING SAT USA 1-14 250-5424A BRACKET LID CD HOLDER SAT USA A 1-17 125-5125 SPRING LID CD SATURN JPN 1-18 125-5126 SPRING LID CRTG SATURN JPN 1-19 125-5127 SPRING ARM SATURN JPN

1-20 510-5068 DETECTOR SW SPPB11 1-21 600-6536 WIRE HARN 2P FOR DETECTOR USA 1-22 601-7726 PLATE SEVER SMALL SATURN JPN

2 610-5863 ASSY BOTTOM CASE SATURN USA

2-1 253-7016 BOTTOM CASE SATURN EUR 2-2 601-7658 RUBBER FOOT SATURN JPN

3 837-11492 ASSY IC BD SATURN VAO PAL 5 838-10834 IC BD SATURN SH1

6 610-5679-20 ASSY CD DRIVE UNIT SATURN 6 610-5679-21

7 400-5271 AC POWER UNIT SATURN EUR 7 400-5272 AC POWER UNIT SATURN EUR

e,.7-1 601-7672 INLET FOR UL/CSA SATURN e,.7-2 514-5066 FUSE 1.6A 080026

10 253-6915-03 LID BATTERY SATURN EUR

11 253-6918-03 BUTTON POWER SATURN USA 11 253-6918A-03 BUTTON POWER SATURN USA A

12 253-6921 MOUNT MECHA SATURN JPN 13 253-6932 SLIDE RAIL SATURN JPN 14 510-5069 POWER SW SDDLD 15 601-7979 PLATE SEVER LARGE SATURN USA 16 600-6416 WIRE HARN 5P FOR ST CD

17 600-6560 WIRE HARN 2P FOR P.SW NEW

18 600-6431 FFC 20P L=180w.l 18 600-6431-01 FFC 20P L=180w.l

21 270-5094 FERRITE CORE BP53RB120070060M 21 270-5095 FERRITE CORE L6 T12.5X5.5X7

38 250-5417 BRACKET 9P CONN HOLDER 39 253-6922 BAT HOLDER SATURN MATSUSHITA 40 029-000034 B-TITE SCR PH 3X8 41 029-000034-0B B-TITE SCR PH BLK 3X8 42 029-000035 B-TITE SCR PH 3X10

43 029-000035-0B B-TITE SCR PH BLK 3X10 44 029-000036 8-TITE SCR PH 3X12 45 029-000049 B-TITE SCR BRH 2.6X8 46 029-000061 B-TITE SCR PH 3X14 47 029-000063 S-TITE SCR Bl H2X4

48 029-000049 B-TITE SCR BRH 2.6X8 49 029-000049-0B B-TITE SCR BRH BLK 2.6X8 50 029-000052 B-TITE SCR PH 2X8 51 029-000067-0B B-TITE SCR BRH BLK 2.6X6 52 029-000064 S-TITE SCR PH 2X8

53 401-0054 BATTERY CR2032/1F

[Note] (1]····EUR [2]····AUSTRALIA -71-

Page 62: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

11 =3. Electrical Parts List ..

Circuit Circuit Parts No. Description Parts No. Description No. No.

11-3-1. IC BD STATURN MAIN VAO USA IC31 315-0985-70 IC UPD424260LE-70-E2 SOJ NEC IC31 315-0986-70 IC TC514260BJ-70 SOJ TOSHIBA

!Cl 315-0922A IC HD6417095F28 OFP H !TACH! IC31 315-0983-70 IC KM416C256BJ-7 SOJ SUMSUNG !Cl 315-0998 IC HD6417095SF28 OFP HITACHI IC31 315-0984-70 IC M8814260-70PJ-G SOJ FUJITSU

IC31 315-1030-70 IC HY514260BJC-70 SOJ HYUNDAI IC2 315-0922A IC HD6417095F28 OFP HITACHI IC2 315-0998 IC HD6417095SF28 OFP HITACHI IC32 315-0947-70 IC HM514260AJ-7 SOJ

IC32 315-0985-70 IC UPD424260LE-70-E2 SOJ NEC IC3 315-0928-17 IC HM5241605TT-17 TSOP HITACHI IC32 315-0986-70 IC TC514260BJ-70 SOJ TOSHIBA IC3 315-1022-12 IC UPD4504161G5-Al2 TSOP NEC IC32 315-0983-70 IC KM416C256BJ-7 SOJ SUMSUNG IC3 315-0928-15 IC HM5241605TT-15 TSOP HITACHI IC32 315-0984-70 IC MB814260-70PJ-G SOJ FUJITSU

IC32 315-1030-70 IC HY514260BJC-70 SOJ HYUNDAI IC4 315-0928-17 IC HM5241605TT-17 TSOP HITACHI IC4 315-1022-12 IC UPD4504161G5-A12 TSOP NEC IC33 314-0634 IC 74HC157 SOP IC4 315-0928-15 IC HM5241605TT-15 TSOP HITACHI

IC34 313-5323 IC UPC78L05T CHIP NEC IC5 315-5688 IC CUSTOM CHIP SCU OFP YAMAHA IC34 313-5323-01 IC TA78L05F CHIP TOSHIBA IC6 315-5778 IC CUSTOM CHIP DCC OFP TOSHIBA

IC35 313-5328 IC S-80723AN-DL CHIP SEIKO IC7 EPR-17933 OS SATURN IPL-ROM PAL DIP IC7 MPR-17933 OS SATURN IPL-ROM PAL DIP CN1 209-5070 EDGE CONN 134P N630-9523-T006

CN1 209-5070A EDGE CONN 134P N630-9523-T006A IC8 315-0948-10 IC CXK58267AM-10L SOP IC8 315-0930-10 IC UPD43257B-10LL SOP CN2 209-5074 CONN 9P*2 CSS5018-0101R ICB 315-0964-10 IC M5M5255BFP-12LL SOP CN2XA NOT USED NOT USED ICB 315-0965-10 IC SRM20257LLM10 SOP CN2XB NOT USED NOT USED IC8 315-1002-70 IC UM62257M-70LL SOP

CN3 212-5453 CONN 6P B5P6-VH IC9 315-5744 IC CUSTOM CHIP SMPC QFP CN4 212-5440 CONN lOOP FX6A-100S-0.8SV2

IClO 315-5689 IC CUSTOM CHIP VDP1 QFP CN5 212-5431 MINI DIN CONN lOP FOR A/V HOSI IC10 315-5883 IC CUSTOM CHIP VDPl S OFP CN5 212-5481 MINI DIN lOP TCS7716-432010

CN5X NOT USED NOT USED ICll 315-0928-17 IC HM5241605TT-17 TSOP HITACHI IC11 315-1022-12 IC UPD4504161G5-A12 TSOP NEC CN6 209-5075 CONN liP TCX3072-010100 HOSHID IC11 315-0928-15 IC HM5241605TT-15 TSOP HITACHI CNB 212-5454 CONN 5P B4(5)B-PH-K-S

CN9 212-5454 CONN 5P B4(5)B-PH-K-S IC12 315-0910-12 IC UPD4502161G5-A12 TSOP NEC CNlO NOT USED NOT USED IC12 315-1017-17 IC HM5221605TT-17 TSOP HITACHI CNll NOT USED NOT USED IC12 315-1012-17 IC LC382161T-17 TSOP SANYO

CN12 212-5457 CONN 3P SJ21-03WT IC13 315-0910-12 IC UPD4502161G5-A12 TSOP NEC IC13 315-1017-17 IC HM5221605TT-17 TSOP HITACHI Sl¥3 510-5063 TACT SYI SKEYAC ALPS IC13 315-1012-17 IC LC382161T-17 TSOP SANYO

Dl 481-5072 DIODE CHIP 1SS184 TOSHIBA IC14 315-5690 IC CUSTOM CHIP VDP2 OFP YAMAHA IC14 315-5690-02 IC CUSTOM CHIP VDP2 OFP HH D2 481-5168 DIODE CHIP HRYI0202A HITACHI IC14 315-5890 IC CUSTOM CP VDP2 S OFP YAMAHA D2 481-5199 DIODE CHIP 1SS377 TOSHOBA

D2 481-5201 DIODE CHIP RB415D ROHM IC15 315-0910-12 IC UPD4502161G5-A12 TSOP NEC IC15 315-1017-17 IC HM5221605TT-17 TSOP HITACHI D3 481-5168 DIODE CHIP HRW0202A HITACHI IC15 315-1012-17 IC LC382161T-17 TSOP SANYO D3 481-5199 DIODE CHIP 1SS377 TOSHIBA

D3 481-5201 DIODE CHIP RB415D ROHM IC16 315-0910-12 IC UPD4502161G5-A12 TSOP NEC IC16 315-1017-17 IC HM5221605TT-17 TSOP HITACHI D4 481-5072 DIODE CHIP 1SS184 TOSHIBA IC16 315-1012-17 IC LC38161T-17 TSOP SANYO D5 481-5179 DIODE CHIP MA153A MATSUSHITA

IC17 315-5687 IC CUSTOM CHIP SCSP QFP YAMAHA 06 481-5168 DIODE CHIP HRW0202A HITACHI IC18 315-0941 IC MC68ECOOOFN12 PLCC MOTOROLA D6 481-5199 DIODE CHIP 1SS377 TOSHIBA

06 481-5201 DIODE CHIP RB415D ROHM IC19 315-0777-80 IC HM514270AJ-8 SOJ HITACHI IC19 315-0739-70 IC UPD424270LE-70 SOJ NEC TR1 482-5126 XSTR 2SC1623 L5 .. 7 CHIP NEC IC19 315-0777-70 IC HM514270AJ-7 SOJ HITACHI TR2 482-5125-01 XSTR 2SA812 CHIP M5 .. 6 NEC IC19 315-0822-80 IC MN414270SJ-08 SOJ PANASONIC TR3 482-5260 XSTR 2SD2114K(V.W)CHIP ROHM

TR4 482-5260 XSTR 2SD2114K(V.YI)CHIP ROHM IC20 315-5746 IC CUSTOM CHIP PLL HOFP IC21 313-5314 IC CXAI645M SOP SONY L1 180-5137 CHIP INDUCTOR 100UH 10~ KOA IC22 313-5313 IC TDA1386T SOP PHI Ll PS L1 180-5137-01 P.COIL CHIP 100UH ELJFA101KF IC23 314-0632 IC 74VHC04 SOP 300MIL IC24 314-0632 IC 74VHC04 SOP 300MIL L2 180-5137 CHIP INDUCTOR 100UH 10~ KOA

L2 180-5137-01 P.COIL CHIP 100UH ELJFA101KF II"?~': 313-5322 IC S=80741AL=A5 CHIP SEIKO '"'""" IC26 314-0563 IC 74LS245 SOP 300MIL L3 180-5142 P.COIL CHIP IOOUH LOH3C101K04 IC27 314-0563 IC 74LS245 SOP 300MIL L3 180-5142-01 P.COIL CHIP lOOUH NLFC322522T IC28 314-0649 IC 74ACT245 SOP 300MIL IC29 314-0563 IC 74LS245 SOP 300MIL L4 180-5142 P.COIL CHIP 100UH LOH3C101K04

L4 180-5142-01 P.COIL CHIP 100UH NLFC322522T IC30 314-0563 IC 74LS245 SOP 300MIL

L5 180-5142 P.COIL CHIP lOOUH LOH3C101K04 IC31 315-0947-70 IC HM514260AJ-7 SOJ LS 180-5142-01 P.COIL CHIP lOOUH NLFC322522T

-72-

Page 63: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

Circuit Parts No. Description Circuit Parts No. Description No. No.

L6 180-5142 P. COIL CH I.P 1 OOUH LOH3C1 01 K04 C11 151-0265 CAP CER CP 0. 1UF 25V ZF2125 L6 180-5142-01 P. COIL CHIP 100UH NLFC322522T C12 151-0265 CAP CER CP 0. 1UF 25V ZF2125

C13 151-0265 CAP CER CP 0. 1 UF 25V ZF2125 L8 180-5142 P. COIL CHIP 100UH LOH3C101K04 C14 151-0265 CAP CER CP 0. 1 UF 25V ZF2125 L8 180-5142-01 P. COIL CHIP 100UH NLFC322522T C15 151-0265 CAP CER CP 0. 1 UF 25V ZF2125

L9 180-5142 P.COIL CHIP 100UH LOH3C101K04 C16 151-0265 CAP CER CP 0. 1UF 25V ZF2125 L9 180-5142-01 P.COIL CHIP 100UH NLFC322522T C17 NOT USED NOT USED

C18 151-0265 CAP CER CP 0. 1 UF 25V ZF2125 L10 180-5142 P.COIL CHIP 100UH LOH3C101K04 C19 151-0265 CAP CER CP 0. 1UF 25V ZF2125 L10 180-5142-01 P.COIL CHIP 100UH NLFC322522T C20 151-0265 CAP CER CP 0. 1UF 25V ZF2125

FB3 NOT USED NOT USED C21 151-0307 CAP CER CP 0. 022UF 50V ZF2125 FB4 476-2330-J-10 RES CHIP 33 OHM 1/10\¥ 5% C22 151-0307 CAP CER CP 0. 022UF 50V ZF2125 FB5 NOT USED NOT USED C23 151-0621 CAP CER CP 30PF 50V JCH2125 FB6 NOT USED NOT USED C24 151-0621 CAP CER CP 30PF 50V JCH2125 FB7 NOT USED NOT USED C25 151-0305 CAP CER CP 1000PF 50V KB2125

FBB NOT USED NOT USED C26 151-D521 CAP CER CP 470PF 50V SL2125 FB9 NOT USED NOT USED C27 151-0318 CAP CER CHIP 33PF 50V CH2125 FB10 NOT USED NOT USED C28 151-0307 CAP CER CP 0.022UF 50V ZF2125 F813 NOT USED NOT USED C29 151-0307 CAP CER CP 0. 022UF 50V ZF2125 FB15 NOT USED NOT USED C30 151-0478 CAP CER CP 27PF 50V CH2125

FB16 NOT USED NOT USED C31 151-0377 CAP CER CP 100PF 50V KCH2125 F817 NOT USED NOT USED C32 151-0307 CAP CER CP 0.022UF 50V ZF2125 F818 479-5005-0000 RES CHIP 0 OHM 1/10W 2125 C33 NOT USED NOT USED

~AI YO C34 NOT USED NOT USED

EM12 271-0045 EMI FILTER STB101KB C35 151-D320 CAP CER CP 68PF 50V J CH2125 EMI3 271-0045 EM! FILTER STB101KB TAl YO EMI5 271-0045 EMI FILTER STB101KB TAl YO C36 NOT USED NOT USED EM16 271-0045 EM! FILTER STB101KB TAIYO C37 151-0265 CAP CER CP 0. 1 UF 25V ZF2125 EM17 271-0045 EM! FILTER STB101KB TAIYO C38 151-0265 CAP CER CP 0. 1 UF 25V ZF2125

C39 151-0265 CAP CER CP 0. 1UF 25V ZF2125 EMIB 271-0045 EM! FILTER STB101KB TAl YO C40 151-0270 CAP CER CP 47PF 50V KSL2125 EM19 271-0045 EMI FILTER STB101KB TAl YO EMI10 271-0045 EMI FILTER STB101KB TAIYO C41 151-0S92 CAP CER CP 5PF/50V CCH2125 EMI11 271-0045 EMI FILTER STB101KB TAIYO C42 151-0265 CAP CER CP 0. lUF 25V ZF2125 EM112 271-0045 EMI FILTER STB101KB TAl YO C43 151-0265 CAP CER CP 0. 1UF 25V ZF2125

C44 151-0361 CAP CER CP 15PF 50V CH2125 EM113 271-0045 EM! FILTER STB101KB TAl YO C45 NOT USED NOT USED EM114 271-0045 EM! FILTER STB101KB TAl YO EMI15 271-0045 EMI FILTER STB101KB TAl YO C46 NOT USED NOT USED EM116 271-0045 EMI FILTER STB101KB TAl YO C47 1S1-0318 CAP CER CHIP 33PF 50V CH2125 EM117 271-0045 EM! FILTER STB101KB TAIYO C48 NOT USED NOT USED

C49 NOT USED NOT USED EM118 271-0045 EM! FILTER STB101KB TAIYO C50 151-0319 CAP CER CHIP 20PF 50V CH2125 EM119 271-0045 EMI FILTER STB101KB TAIYO EM120 271-0045 EM! FILTER STB101KB TAl YO C51 1S1-0319 CAP CER CHIP 20PF 50V CH2125 EM121 271-0045 EM! FILTER STB101KB TAIYO CS2 1S1-026S CAP CER CP 0. 1UF 25V ZF212S EM122 271-0045 EM! FILTER STB101KB TAl YO C53 1S1-026S CAP CER CP 0. 1UF 25V ZF2125

C54 1S1-026S CAP CER CP 0. 1UF 2SV ZF2125 EM123 271-0045 EM! FILTER STB101KB TAIYO C55 1S1-0265 CAP CER CP 0. 1UF 25V ZF2125 EMI24 271-0045 EM! FILTER STB101KB TAIYO EM125 271-0045 EMI FILTER STB101KB- TAIYO CS6 1S1-026S CAP CER CP 0. 1UF 25Y ZF2125 EMI26 271-0045 EM! FILTER STB101KB TAIYO C57 151-026S CAP CER CP 0. 1UF 25V ZF2125 EMI27 271-0045 EM! FILTER STB101KB TAIYO C58 1Sl-026S CAP CER CP 0. 1UF 2SY ZF2125

C59 1S1-026S CAP CER CP 0. lUF 2SV ZF212S EMI28 271-004S EM! FILTER STB101KB TAl YO C60 1S1-026S CAP CER CP 0. 1UF 2SV ZF2125 EMI29 271-004S EMI FILTER STB101KB TAIYO EMI30 271-0045 EMI FILTER STB101KB TAIYO C61 151-026S CAP CER CP 0. 1UF 2SY ZF212S EM131 271-004S EMI FILTER STB101KB TAIYO C62 1S1-026S CAP CER CP 0. 1UF 2SV ZF2125 E~dl32 271-0045 EMI FILTER STB101KB TAIYO C63 1Sl-0305 CAP CER CP lOOOPF SOY KB2125

C64 1S1-030S CAP CER CP 1000PF 50V KB212S EMI33 271-0045 EM! FILTER STB101KB TAIYO C6S NOT USED NOT USED EM134 271-004S EMI FILTER STB101KB TAIYO EM13S 271-0045 EM! FILTER STB101KB TAIYO C66 151-026S CAP CER CP 0. 1UF 25V ZF212S

C67 1S1-026S CAP CER CP 0. 1UF 25V ZF2125 C1 1S1-0307 CAP CER CP 0.022UF SOY ZF212S C68 1S1-026S CAP CER CP 0. lUF 2SY ZF212S C2 1S1-0S21 CAP CER CP 470PF SOY SL2125 C69 1S1-026S CAP CER CP 0. 1UF 2SY ZF212S C3 1S1-026S CAP CER CP 0. 1UF 2SY ZF212S C70 1S1-026S CAP CER CP 0. 1UF 2SY ZF2125 C4 1S1-0307 CAP CER CP 0.022UF SOY ZF212S cs 151-0S21 CAP CER CP 470PF SOY SL212S C71 1S1-026S CAP CER CP 0. lUF 2SV ZF212S

C72 1S1-026S CAP CER CP 0. 1UF 2SV ZF212S C6 1S1-0265 CAP CER CP 0. 1UF 2SY ZF2125 C73 151-0265 CAP CER CP 0. 1UF 25V ZF2125 C7 151-026S CAP CER CP 0. 1UF 2SV ZF2125 C74 1S1-0265 CAP CER CP 0. 1UF 2SV ZF212S CB 151-026S CAP CER CP 0. lUF 25Y ZF2125 C75 151-0265 CAP CER CP 0. 1UF 25V ZF2125 C9 1S1-026S CAP CER CP 0. 1UF 25Y ZF2125 C10 151-026S CAP CER CP 0. 1UF 25V ZF2125 C76 1S1-026S CAP CER CP 0. 1UF 2SV ZF2125

C77 1S1-026S CAP CER CP 0. 1UF 2SV ZF212S

-73-

Page 64: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

-Circuit Parts No. Description Circuit Parts No. Desc r i pt ion

No. No.

C78 151-0265 CAP CER CP 0. lUF 25V ZF2125 CE4 151-0622 CAP CER CP 1UF 16V ZF3216 C79 151-0265 CAP CER CP 0. 1UF 25V ZF2125 C80 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE6 150-0313-04 CAPE CP 100UF6.3V MV6.3VC100M

CE6 150-0313-01 CAPE CP 100UF 6.3V ECEVOJA101 C81 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE6 150-0313-03 CAPE CP 100UF6.3V UWXOJ101MCR C82 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE6 150-0313-05 CAPE CP 100UF 6.3V REV C83 151-0265 CAP CER CP 0. 1UF 25V ZF2125 C84 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE15 150-0464 CAP E CP 10UF16V MV16VC10MD55 C85 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE15 150-0464-01 CAP E CP 10UF 16V ECEV1CA100

CE15 150-0464-02 CAP E CP 10UF 16V UWX1C100MCR1 C86 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE15 150-0464-03 CAP E CP 10UF16V REV C87 151-0265 CAP CER CP 0. 1 UF 25V ZF2125 C88 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE16 150-0464 CAP E CP 10UF16V MV16VC10MD55 C89 151-0265 CAP CER CP 0. lUF 25V ZF2125 CE16 150-0464-01 CAP E CP 10UF 16V ECEV1CA100 C90 151-0265 CAP CER CP 0. 1 UF 25V ZF2125 CE16 150-0464-02 CAP E CP 10UF 16V UWX1C100MCR1

CE16 150-0464-03 CAP E CP 10UF16V REV C91 151-0265 CAP CER CP 0. 1UF 25V ZF2125 C92 NOT USED NOT USED CE18 150-0313-04 CAPE CP 100UF6.3V MV6.3VC100M C93 NOT USED NOT USED CE18 150-0313-01 CAPE CP 100UF 6.3V ECEVOJA101 C94 NOT USED NOT USED CE18 150-0313-03 CAPE CP 100UF6.3V UWXOJ101MCR C95 NOT USED NOT USED CE18 150-0313-05 CAPE CP 100UF 6.3V REV

C96 151-0270 CAP CER CP 47PF SOY KSL2125 CE19 150-0313-04 CAPE CP 100UF6.3V MV6.3VC100M C97 NOT USED NOT USED CE19 150-0313-01 CAPE CP 100UF 6.3V ECEVOJA101 C98 NOT USED NOT USED CE19 150-0313-03 CAPE CP 100UF6.3V UWXOJ101MCR C99 NOT USED NOT USED CE19 150-0313-05 CAPE CP 100UF 6.3V REV C102 NOT USED NOT USED

CE20 15Qr.0464 CAP E CP 10UF16V MV16VC10MD55 C103 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE20 150:.0464-01 CAP E CP 10UF 16V ECEV1CA100 C104 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE20 150-0464-02 CAP E CP 10UF 16V UWX1C100MCR1 C105 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE20 150-0464-03 CAP E CP 10UF16V REV C106 151-0265 CAP CER CP 0. 1UF 25V ZF2125 C107 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE21 150-0464 CAP E CP 10UF16V MV16VC10MD55

CE21 150-0464-01 CAP E CP 10UF 16V ECEV1CA100 C108 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE21 150-0464-02 CAP E CP 10UF 16V UWX1C100MCR1 C109 151-0298 CAP CER CP lOOPF SOV JSL2125 CE21 150-0464-03 CAP E CP 10UF16V REV C110 151-0298 CAP CER CP 100PF SOV JSL2125 C111 151-0592 CAP CER CP 5PF/50V CCH2125 CE22 150-0496 CAP E CP 4. 7UF 25V MV25VC4R7M C112 NOT USED NOT USED CE22 150-0496-01 CAP E CP 4. 7UF 25V ECEV1EA4R7

CE22 150-0496-02 CAP E CP 4. 7UF25V UWX1E4R7MCR1 C114 NOT USED NOT USED CE22 150-0496-03 CAP E CP 4. 7UF25V REV C115 151-0265 CAP CER CP 0. 1UF 25V ZF2125 C116 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE23 150-0464 CAPE CP 10UF16V MV16VC10MD55 C117 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE23 150-0464-01 CAP E CP 10UF 16V ECEV1CA100 C118 151-0265 CAP CER CP 0. lUF 25V ZF2125 CE23 150-0464-02 CAP E CP 10UF 16V UWX1C100MCR1

CE23 150-0464-03 CAP E CP 10UF16V REV C119 151-0265 CAP CER CP 0. 1UF 25V ZF2125 C120 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE24 150-0423 CAP E CP 220UF 4V MV4VC220MF55 C121 151-0298 CAP CER CP 100PF SOV JSL2125 CE24 150-0423-01 CAP E CP 220UF 4V ECEVOGA221 Cl22 151-0298 CAP CER CP 100PF 50V JSL2125 CE24 150-0423-02 CAP E CP 220UF 4V UWXOG221MCR1 C123 151-0298 CAP CER CP 100PF SOY JSL2125 CE24 150-0423-03 CAP E CP 220UF 4V REV

C124 151-0298 CAP CER CP 100PF SOY JSL2125 CE25 150-0423 CAP E CP 220UF 4V MV4VC220MF55 C125 NOT USED NOT USED CE25 15D-0423-01 CAP E CP 220UF 4V ECEVOGA221 C126 NOT USED NOT USED ·- CE25 150-0423-02 CAP E CP 220UF 4V UWXOG221MCR1 C127 151-0265 CAP CER CP 0. 1UF 25V ZF2125 CE25 150-0423-03 CAP E CP 220UF 4V REV C129 151-0320 CAP CER CP 68PF 50V J CH2125

CE26 150-0423 CAP E CP 220UF 4V MV4VC220MF55 C130 151-0623 CAP CER CP 1UF 16V ZF2125 CE26 150-0423-01 CAP E CP 220UF 4V ECEVOGA221 C131 151-0623 CAP CER CP 1UF 16V ZF2125 CE26 150-0423-02 CAP E CP 220UF 4V UWXOG221MCR1 C132 151-0623 CAP CER CP lUF 16V ZF2125 CE26 150-0423-03 CAP E CP 220UF 4V REV C133 151-0623 CAP CER CP 1UF 16V ZF2125 C134 151-0623 CAP CER CP "1UF 16V ZF2125 CE27 150-0423 CAP E CP 220UF 4V MV4VC220MF55

CE27 150-0423-01 CAP E CP 220UF 4V ECEVOGA221 C135 151-0623 CAP CER CP 1UF 16V ZF2125 CE27 150-0423-02 CAP E CP 220UF 4V UWXOG221MCR1 C136 151-0623 CAP CER CP 1UF 16V ZF2125 CE27 150-0423-03 CAP E CP 220UF 4V REV C137 151-0623 CAP CER CP 1UF 16V ZF2125 C138 151-0623 CAP CER CP 1UF 16V ZF2125 CE28 150-0423 CAP E CP 220UF 4V MV4VC220MF55 C139 151-0623 CAP CER CP 1UF 16V ZF2125 CE28 150-0423-01 CAP E CP 220UF 4V ECEVOGA221

CE28 150-0423-02 CAP E CP 220UF 4V UWXOG221MCR1 C140 151-0623 CAP CER CP 1UF 16V ZF2125 CE28 150-0423-03 CAP E CP 220UF 4V REV C141 151-0623 CAP CER CP lUF 15¥ ZF2125

CE29 150-0423 CAP E CP 220UF 4V MV4VC220MF55 CE1 151-0623 CAP CER CP 1UF 16V ZF2125 CE29 150-0423-01 CAP E CP 220UF 4V ECEVOGA221 CE2 151-0622 CAP CER CP IUF 16V ZF3216 CE29 150-0423-02 CAP E CP 220UF 4V UWXOG221MCR1

CE29 150-0423-03 CAP E CP 220UF 4V REV CE3 150-0313-04 CAPE CP 100UF6.3V MV6.3VC100M CE3 150-0313-01 CAPE CP 100UF 6.3V ECEVOJA101 CE30 150-0505-02 CAP E CP 220UF10V UUR1A221MBR CE3 150-0313-03 CAPE CP 100UF6.3V UWXOJ101MCR CE3 150-0313-05 CAPE CP 100UF 6.3V REV CE31 150-0464 CAP E CP 10UF16V MV16VC10MD55

-74-

Page 65: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

Circuit I Parts No. Description Circuit I Parts No. Desc r i pt ion No. I No.

i

CE31 150-0464-01 CAP E CP 10UF 16V ECEV1CA100 R21 476-2222-J-10 RES CHIP 2.2KOHM 1/10\1' 5% CE31 150-0464-02 CAP E CP 10UF 16V UWX1C100MCR1 R22 476-2111-J-1 0 RES CHIP 110 OHM 1/10\1' 5% CE31 1 50-0464-03 CAP E CP 10UF16V REV R24 476-2303-J-10 RES CHIP 30KOHM 1/10\1' 5%

R25 476-2303-J-10 RES CHIP 30KOHM 1/10\1' 5% CE32 153-0120 CAP TANT CHIP 10UF 6.3V NEC R26 476-2362-J-10 RES CHIP 3.6KOHM 1/10\1' 5% CE32 1 53-0120-01 CAP TANT CHIP 10UF 6. 3V PANA CE32 153-0120-02 CAP TANT CHIP 10UF 6.3V NICHI R27 476-2363-J-10 RES CHIP 36KOHM 1/10\1' 5% CE32 153-0120-03 CAP TANT CHIP 10UF 6.3V TO\\' A R28 476-2621-J-10 RES CHIP 620 OHM 1/10\1' 5%

R29 NOT USED NOT USED CE33 150-0494 CAPE CP 22UF 6.3V MV6.3VC22M R30 476-2102-J-10 RES CHIP 1KOHM 1/10\1' 5% CE33 1 50-0494-01 CAPE CP 22UF 6.3V ECEVOJA220 R31 476-2102-J-10 RES CHIP 1KOHM 1/10\1' 5% CE33 150-0494-02 CAP E CP 22UF6. 3V UWXOJ220MCR1 CE33 150-0494-03 CAPE CP 22UF 6.3V REV R32 476-2102-J-10 RES CHIP 1KOHM 1/10\1' 5%

R33 476-2222-J-10 RES CHIP 2. 2KOHM 1/10\1' 5% CE34 150-0494 CAPE CP 22UF 6.3V MV6.3VC22M R35 476-2473-J-10 RES CHIP 47KOHM 1/10\1' 5% CE34 150-0494-01 CAPE CP 22UF 6.3V ECEVOJA220 R36 476-2750-J-10 RES CHIP 75 OHM 1/10\1' 5% CE34 150-0494-02 CAPE CP 22UF6.3V UWXOJ220MCR1 R37 476-2750-J-10 RES CHIP 75 OHM 1/10\1' 5% CE34 150-0494-03 CAPE CP 22UF 6.3V REV

R38 476-2750-J-10 RES CHIP 75 OHM 1/10\1' 5% CE35 150-0501 CAPE CP 47UF 6.3V MV6.3VC47M R39 476-2750-J-10 RES CHIP 75 OHM 1/10\1' 5% CE35 150-0501-01 CAPE CP 47UF 6.3V ECEVOJA470 R40 476-2750-J-10 RES CHIP 75 OHM 1/10\1' 5% CE35 150-0501-02 CAP E CP 47UF6. 3V UWXOJ470MCR1 R41 476-2750-J-10 RES CHIP 75 OHM 1/10\1' 5% CE35 1 50-0501 -03 CAPE CP 47UF 6.3V REV R42 476-2163-F-10 RES CHIP 16KOHM 1/10\1' 1%

CE37 150-0464 CAP E CP 10UF16V MV16VC10MD55 R43 476-2101-J-10 RES CHIP 100 OHM 1/10\1' 5% CE37 150-0464-01 CAP E CP 10UF 16V ECEV1CA100 R44 476-2101-J-10 RES CHIP 100 OHM 1/10\1' 5% CE37 150-0464-02 CAP E CP 10UF 16V UWX1C100MCR1 R45 476-2104-J-10 RES CHIP 100KOHM 1/10\1' 5% CE37 150-0464-03 CAP E CP 10UF16V REV R46 476-2104-J-10 RES CHIP 100KOHM 1/10\1' 5%

R47 476-2472-J-10 RES CHIP 4. 7KOHM 1/10\1' 5% CE38 NOT USED NOT USED

R48 476-2201-J-10 RES CHIP 200 OHM 1/10\1' 5% CE42 150-0464 CAP E CP 10UF 16V MV16VC10MD55 R49 476-2472-J-10 RES CHIP 4. 7KOHM 1/10\1' 5% CE42 1 50-0464-01 CAP E CP 10UF 16V ECEV1CA100 R50 476-2472-J-10 RES CHIP 4. 7KOHM 1/10\1' 5% CE42 150-0464-02 CAP E CP 10UF 16V UWX1C100MCR1 R66 476-2472-J-10 RES CHIP 4. 7KOHM 1/10\1' 5% CE42 150-0464-03 CAP E CP 10UF 16V REV R67 476-2105-J-10 RES CHIP 1 MOHM 1/1 0\1' 5%

CE45 150-0504 CAP E 330UF USROJ331MCA1TD R68 476-2334-J-10 RES CHIP 330KOHM 1/10\1' 5% CE46 150-0504 CAP E 330UF USROJ331MCA1TD R69 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5%

R74 476-2103-J-10 RES CHIP 10KOHM 1/10W 5% CE47 150-0463 CAP E CP 1UF 50V MV50VC1MD55 R96 NOT USED NOT USED CE47 150-0463-01 CAP E CP 1UF 50V ECEV1HA010 R97 NOT USED NOT USED CE47 150-0463-02 CAP E CP 1UF 50V UWX1H010MCR1 CE47 150-0463-03 CAP E CP 1UF 50V REV R98 476-2103-J-10 RES CHIP 10KOHM 1/10'11 5%

R99 NOT USED NOT USED CE48 150-0463 CAP E CP 1UF 50V MV50VC1MD55 R100 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5% CE48 150-0463-01 CAP E CP 1UF 50V ECEV1HA010 R101 476-2103-J-10 RES CHIP 10KOHM 1/10'11 5% CE48 150-0463-02 CAP E CP 1UF 50V UWX1H010MCR1 R102 476-2103-J-10 RES CHIP 1 OKOHM 1 /1 OW 5% CE48 150-0463-03 CAP E CP 1UF 50V REV

R103 476-2103-J-10 RES CHIP 10KOHM 1/10W 5% CE49 150-0501 CAPE CP 47UF 6.3V MV6.3VC47M R104 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5% CE49 150-0501-01 CAPE CP 47UF 6.3V ECEVOJA470 R105 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5" CE49 150-0501-02 CAPE CP 47UF 6.3V UWXOJ470MCR1 R106 476-2103-J-10 RES CHIP 10KOHM 1/10W 5" CE49 150-0501-03 CAPE CP 47UF 6.3V REV R107 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5%

CE50 150-0501 CAPE CP 47UF 6.3V MV6.3VC47M R108 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5" CE50 150-0501-01 CAPE CP 47UF 6.3V ECEVOJA470 R109 476-2103-J-10 RES CHIP 1 OK OHM 1 /1 OW 5" CE50 150-0501-02 CAPE CP 47UF 6.3V UWXOJ470MCR1 R110 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5" CE50 150-0501-03 CAPE CP 47UF 6.3V REV R111 476-2103-J-10 RES CHIP 10KOHM 1/10W 5"

R112 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5% CE52 150-0464 CAP E CP 10UF 16V MV16VC10MD55 CE52 150-0464-01 CAP E CP 10UF 16V ECEV1CA100 R113 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5% CE52 150-0464-02 CAP E CP 10UF 16V UWX1C100MCR1 R114 NOT USED NOT USED CE52 150-0464-03 CAP E CP 10UF 16V REV R115 NOT USED NOT USED

R116 NOT USED NOT USED CE53 150-0501 CAPE CP 47UF 6.3V MV6.3VC47M R117 NOT USED NOT USED CE53 150-0501-01 CAPE CP 47UF 6.3V ECEVOJA470 CE53 150-0501-02 CAPE CP 47UF 6.3V UWXOJ470MCR1 R118 NOT USED NOT USED CE53 150-0501-03 CAPE CP 47UF 6.3V REV R119 NOT USED NOT USED

R120 476-2103-J-10 RES CHIP 10KOHM 1/10\1' 5% CE54 150-0520-03 CAP E CP 100UF lOY UWX1AMCR1 R121 NOT USED NOT USED CE54 150-0522-03 CAP E CP lOOUF lOY UUR1A101MCR R122 476-2103-J-10 RES CHIP lOKOHM 1/10W 5%

Rl 476-2101-J-10 RES CHIP 100 OHM 1/10\1' 5% R124 476-2472-J-10 RES CHIP 4. 7KOHM 1/10W 5" R2 476-2101-J-10 RES CHIP 100 OHM 1/lOW 5% R125 476-2472-J-10 RES CHIP 4. 7KOHM 1/10'11 5% R3 476-2101-J-10 RES CHIP 100 OHM 1/lOW 5% R126 476-2101-J-10 RES CHIP 100 OHM 1/10W 5" R4 476-2302-J-10 RES CHIP 3KOHM 1/10W 5% R127 476-2101-J-10 RES CHIP 100 OHM 1/10W 5% R5 476-2302-J-10 RES CHIP 3KOHM 1/10W 5% R128 476-2101-J-10 RES CHIP 100 OHM 1/10W 5%

R19 476-2105-J-10 RES CHIP 1MOHM 1/10W 5% R129 476-2101-J-10 RES CHIP 100 OHM 1/10W 5" R20 476-2680-J-10 RES CHIP 68 OHM 1/10\1' 5% R130 476-2101-J-10 RES CHIP 100 OHM 1/10W 5"

-75-

Page 66: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

Circuit I Parts No. I Description Circuit Parts No. Desc r i pt ion No. , No.

r

R131 476-2103-J-10 RES CHIP 10KOHM 1/101'1 5% JP7 NOT USED NOT USED R132 476-2103-J-10 RES CHIP 10KOHM 1/101'1 5% JP8 NOT USED NOT USED R133 476-2103-J-10 RES CHIP lOKOHM 1/101'1 5% JP9 NOT USED NOT USED R134 476-2103-J-10 RES CHIP 10KOHM 1/101'1 5% JP10 NOT USED NOT USED R135 476-2103-J-10 RES CHIP lOKOHM 1/101'1 5%

JP11 NOT USED NOT USED R136 1476-2361-J-10 RES CHIP 360 OHM 1/101'1 5% JP12 NOT USED NOT USED R137 476-2104-J-10 RES CHIP 100KOHM 1/101'1 5% JP13 NOT USED NOT USED R138 476-2103-J-10 RES CHIP 10KOHM 1/101'1 5% JP14 514-5069 RES CHIP 0 OHM 1/101'1 2125 R139 NOT USED NOT USED JP15 514-5069 RES CHIP 0 OHM 1/10W 2125 R140 476-2301-J-10 RES CHIP 300 OHM 1/lOW 5%

JP16 514-5069 RES CHIP 0 OHM 1/101'1 2125 R141 476-2512-J-10 RES CHIP 5. 1KOHM 1/101'1 5% JP17 514-5069 RES CHIP 0 OHM 1/10W 2125 R142 476-2222-J-10 RES CHIP 2.2KOHM 1/101'1 5% JP18 NOT USED NOT USED R143 476-2511-J-10 RES CHIP 510 OHM 1/101'1 5% JP19 NOT USED NOT USED R144 476-2511-J-10 RES CHIP 51D OHM 1/101'1 5% JP20 476-2102-J-10 RES CHIP lKOHM 1/10W 5% R145 476-2103-J-10 RES CHIP 1 OKOHM 1/101¥ 5%

JP21 NOT USED NOT USED R146 476-2103-J-10 RES CHIP 10KOHM 1/101'1 5% JP22 NOT USED NOT USED R147 476-2103-J-10 RES CHIP lOKOHM 1/101'1 5% R148 476-2391-J-10 RES CHIP 390 OHM 1/101'1 5% 1c som 213-0113 IC SOCKET 40PIN ICE-406-S-TG T R149 476-2224-J-10 RES CHIP 220KOHM 1/lOW 5%

BS HOL t R150 476-2511-J-10 RES CHIP 510 OHM 1/lOW 5% 029-000034-08 8-TITE SCR PH BLK 3X8R BS HOL 029-000034-08 8-TITE SCR PH BLK 3X8R

R151 476-2511-J-1 0 RES CHIP 510 OHM 1/101'1 5% R152 476-2103-J-10 RES CHIP 1 OK OHM 1/1 OW 5% FUSE 600-6458 JUMPER WIRE L=lOMM R153 NOT USED NOT USED R154 NOT USED NOT USED R155 NOT USED NOT USED 11-3-2. SATURN POWER INDICATOR BD VAO

R156 NOT USED NOT USED CN13 600-6452 \\'IRE HARN 2P FOR POWER LED R157 NOT USED NOT USED R158 NOT USED NOT USED LDl 390-5511 LED SL8-25MG GREEN R160 479-5005-0000 RES CHIP 0 OHM 1/101\' 2125

RA1 477-0170 R-PK CP 8*10KOHM 1/161'1 5% 1'1/C 11-3-3. SATURN R.SW BD VAO RAJ 477-0170-02 R-PK CP 8*10KOHM 1/161'1 5% 1'1/C RAl 4 77-0170-01 R-PK CP 8*10KOHM 1/161'1 5% 1'1/C LD2 390-5568 LED SL8-25DL13F ORANGE

RA2 477-0170 R-PK CP 8*10KOHM 1/161\' 5% 1'1/C SWl 510-5063 TACT SW SKEYAC RA2 477-0170-02 R-PK CP 8*10KOHM 1/161'1 5% W/C RA2 477-0170-01 R-PK CP 8*10KOHM 1/161'1 5% W/C CN14 600-6451 WIRE HARN 5P FOR RESET 8T

RA3 477-0170 R-PK CP 8*10KOHM 1/161'1 5% W/C RA3 477-0170-02 R-PK CP 8*10KOHM 1/161'1 5% W/C 11-3-4. PC BD SH1 FOR SATURN RA3 477-0170-01 R-PK CP 8*10KOHM 1/161'1 5% W/C

IC101 315-5785 IC CUSTOM CHIP SHl OFP RA4 477-0170 R-PK CP 8*10KOHM 1/16W 5% W/C IC101 315-5785A IC CUSTOM CHIP SH1A QFP RA4 477-0170-02 R-PK CP 8*10KOHM 1/161'1 5% W/C RA4 477-0170-01 R-PK CP 8*10KOHM 1/161'1 5% W/C IC102 315-0947-80 IC HM514260AJ-8 SOJ

IC103 315-5873 IC CUSTOM CHIP OCU YGR019A RA5 477-0170 R-PK CP 8*10KOHM 1/161'1 5% W/C RA5 4 77-0170-02 R-PK CP 8*10KOHM 1/161'1 5% W/C E101 212-5473 CONN lOOP FX6-100P-0.8SV2 RA5 477-0170-01 R-PK CP 8*10KOHM 1/161'1 5% 1'1/C E102 212-5474 CONN 20P SD-52610-2017

·• RA6 477-0170 R-PK CP B*lOKOHM 1/161'1 5% W/C L101 NOT USED NOT USED RA6 477-0170-02 R-PK CP 8*10KOHM 1/161'1 5% W/C RA6 477-0170-01 R-PK CP 8*10KOHM 1/161'1 5% W/C ClOl NOT USED NOT USED

C102 NOT USED NOT USED RA7 477-0170 R-PK CP 8*10KOHM 1/161'1 5% W/C C103 151-0430 CAP CER CP lOPF 50V CH1608 RA7 477-0170-02 R-PK CP 8*10KOHM 1/161'1 5% 1'1/C C104 151-0430 CAP CER CP 1 OPF 50V CH1608 RA7 477-0170-01 R-PK CP 8*10KOHM 1/161'1 5% 1'1/C C105 151-0418 CAP CER CP 0.01UF/50V BK1608

RA8 477-0170 R-PK CP 8*10KOHM 1/161'1 5% 1'1/C C106' 151-0418 CAP CER CP 0. 01UF/50V 8K1608 RA8 477-0170-02 R-PK CP 8*10KOHM 1/161'1 5% W/C C107 151-0418 CAP CER CP 0. 01UF/50V 8K1608 RA8 477-0170-01 R-PK CP 8*10KOHM 1/161'1 5% 1'1/C C108 NOT USED NOT USED

C109 151-0418 CAP CER CP 0.01UF/50V BK1608 XI 230-5202 OSC XTAL 17. 7344MHZ +-20PPM CllO NOT USED NOT USED

X2 NOT USED NOT USED C111 151-0418 CAP CER CP 0. 01UF/50V 8K1608 X3 230-5169 CERAMIC RESONATOR CST4.00MGW Cl12 NOT USED NOT USED X4 230-5170-01 XTAL 32. 768KHZ +-20PPM SEIKO C113 NOT USED NOT USED

C114 NOT USED NOT USED JPl NOT USED NOT USED C115 151-0418 CAP CER CP 0.01UF/50V 8K1608 JP2 476-2104-J-10 RES CHIP 100KOHM 1/10W 50~ JP3 NOT USED NOT USED C116 NOT USED NOT USED JP4 NOT USED NOT USED C117 NOT USED NOT USED JP5 NOT USED NOT USED Cl18 151-0418 CAP CER CP 0. 01UF/50V BK1608

C119 151-0418 CAP CER CP 0.01UF/50V BK1608 JP6 NOT USED NOT USED C120 151-0418 CAP CER CP 0.01UF/50V BK1608

-76-

Page 67: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

11-4. Accessories/Package List Circuit Parts No. I Description No. Parts No. Oeser i pt ion

No.

C121 150-0501 CAP E CP 47UF 6. 3V MV6. 3VC47M 1 610-5861 ASSY CP SAT EUR C122 NOT USED NOT USED C123 151-D418 CAP CER CP 0. 01UF/50V BK1608 2 6D0-6540 RGB CABLE SATURN PAL [A, B] Cl24 NOT USED NOT USED 2 600-6540-01 RGB CABLE SATURN PAL V2 [A, B] C125 NOT USED NOT USED

3 610-5865 RF UNIT STURN TOWA PAL-G/1 [CJ C126 NOT USED NOT USED Cl27 NOT USED NOT USED 4 600-6537 AC CABLE SATURN PLUG=MF [A] C128 NOT USED NOT USED 4 600-6538 AC CABLE SATURN PLUG=C [8] C129 NOT USED NOT USED 4 600-6538-01 AC CABLE SATURN PLUG=C [BJ C130 NOT USED NOT USED 4 600-6571 AC CABLE SATURN PLUG=S [C]

C131 NOT USED NOT USED 5 672-2359A MANUAL HARD SATURN MULTI A [A, BJ C132 NOT USED NOT USED 5 672-2359B MANUAL HARD SATURN MULTI B [A. B]

5 672-2450A MANUAL HARD SATURN AUS A [C] R101 476-1103-J-16 RES CHIP 10KOHM 1/16W 5% R102 476-1103-J-16 RES CHIP 10KOHM 1/16W 5% 6 SGM-4349 POLY BAG 340*340*0.05 EXP 6 R103 476-1103-J-16 RES CHIP 1 OK OHM 1/161'1 5% 7 SGM-4363 POLY BAG 200*310*0.05 EXP 6 R104 476-1103-J-16 RES CHIP 1 OKOHM 1/161'1 5% R105 476-1103-J-16 RES CHIP 10KOHM 1/161'1 5%

R106 476-1472-J-16 RES CHIP 4. 7KOHM 1/161'1 5% [Note] [A] · · · ·UK R107 476-1472-J-16 RES CHIP 4. 7KOHM 1/16W 5% [BJ .... SOE R108 476-1472-J-16 RES CHIP 4. 7KOHM 1/161'1 5% [C]·· ··AUSTRALIA R109 476-1222-J-16 RES CHIP 2.2KOHM 1/161'1 5% R110 476-1472-J-16 RES CHIP 4. 7KOHM 1/161'1 5%

R111 NOT USED NOT USED R112 NOT USED NOT USED R113 476-1330-J-16 RES CHIP 33 OHM 1/161'1 5% R114 NOT USED NOT USED R115 NOT USED NOT USED

R116 NOT USED NOT USED R117 NOT USED NOT USED R118 NOT USED NOT USED R119 NOT USED NOT USED

RM101 477-0141-01 R-PK CP 4*330HM 1/16W 5% RM102 477-0141-01 R-PK CP 4*330HM 1/16W 5% RM103 477-0141-01 R-PK CP 4*330HM 1/16W 5% RM104 477-0141-01 R-PK CP 4*330HM 1/161'1 5%

X101 230-5196 XTAL 20MHZ SMD-49

CN1 209-5077 EDGE CONN lOOP N630-9523-T005

-77-

Page 68: llfliA SERVICE MANUAL - GameSX BLOCK DIAGRAM ... lens on the optical pick-up block. Cautio"' Invisible laser radiation when ... of eye pattern) becomes

II

© 1995 Sega Enterprises, Ltd. Printed in Japan (/) 50630