47
PORTABLE DVD SERVICE MANUAL MODELS : DP181/DP181BP/DP181T CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETYPRECAUTIONS” IN THIS MANUAL. MODELS : DP181/DP181BP/DP181T SERVICE MANUAL P/NO : AFN31016493 AUGUST, 2006

Lg Dp181 Bp t Portable Dvd

Embed Size (px)

Citation preview

Page 1: Lg Dp181 Bp t Portable Dvd

PORTABLE DVDSERVICE MANUAL

MODELS : DP181/DP181BP/DP181TCAUTIONBEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”IN THIS MANUAL.

MO

DE

LS

: DP

181/DP

181BP

/DP

181TS

ER

VIC

E M

AN

UA

L

P/NO : AFN31016493 AUGUST, 2006

Page 2: Lg Dp181 Bp t Portable Dvd

1-1

CONTENTS

SECTION 1 . . . . SUMMARY

SECTION 2 . . . . EXPLODED VIEWS

SECTION 3 . . . . ELECTRICAL

SECTION 4 . . . . REPLACEMENT PARTS LIST

Page 3: Lg Dp181 Bp t Portable Dvd

1-2

SECTION 1

SUMMARY

CONTENTS

PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ............. 1-3SERVICING PRECAUTIONS................................................................................................... 1-4SPECIFICATIONS ...................................................................................................................... 1-5

Page 4: Lg Dp181 Bp t Portable Dvd

1-3

CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY,NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC-TURER’S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLYVOID THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANYRESULTING PROPERTY DAMAGE OR USER INJURY.SERVICE WORK SHOULD BE PERFORMED ONLY AFTER YOU ARETHOROUGHLY FAMILIAR WITH ALL OF THE FOLLOWING SAFETYCHECKS AND SERVICING GUIDELINES. TO DO OTHERWISE,INCREASES THE RISK OF POTENTIAL HAZARDS AND INJURY TO THEUSER.WHILE SERVICING, USE AN ISOLATION TRANSFORMER FOR PROTEC-TION FROM A.C. LINE SHOCK.

SAFETY CHECKSAFTER THE ORIGINAL SERVICE PROBLEM HAS BEEN CORRCTED. ACHECK SHOULD BE MADE OF THE FOLLOWING.

SUBJECT : FIRE & SHOCK HAZARD1. BE SURE THAT ALL COMPONENTS ARE POSITIONED IN SUCH A WAY

AS TO AVOID POSSIBILITY OF ADJACENT COMPONENT SHORTS.THIS IS ESPECIALLY IMPORTANT ON THOSE MODULES WHICH ARETRANSPORTED TO AND FROM THE REPAIR SHOP.

2. NEVER RELEASE A REPAIR UNLESS ALL PROTECTIVE DEVICESSUCH AS INSULATORS, BARRIERS, COVERS, SHIELDS, STRAIN RELIEFS, POWER SUPPLY CORDS, AND OTHER HARDWARE HAVEBEEN REINSTALLED PER ORIGINAL DESIGN. BE SURE THAT THESAFETY PURPOSE OF THE POLARIZED LINE PLUG HAS NOT BEENDEFEATED.

3. SOLDERING MUST BE INSPECTED TO DISCOVER POSSIBLE COLDSOLDER JOINTS, SOLDER SPLASHES OR SHARP SOLDER POINTS.BE CERTAIN TO REMOVE ALL LOOSE FOREIGN PARTICLES.

4. CHECK FOR PHYSICAL EVIDENCE OF DAMAGE OR DETERIORATIONTO PARTS AND COMPONENTS. FOR FRAYED LEADS, DAMAGEDINSULATION (INCLUDING A.C. CORD). AND REPLACE IF NECESSARYFOLLOW ORIGINAL LAYOUT, LEAD LENGTH AND DRESS.

5. NO LEAD OR COMPONENT SHOULD TOUCH A RECIVING TUBE ORA RESISTOR RATED AT 1 WATT OR MORE. LEAD TENSION AROUNDPROTRUNING METAL SURFACES MUST BE AVOIDED.

6. ALL CRITICAL COMPONENTS SUCH AS FUSES, FLAMEPROOFRESISTORS, CAPACITORS, ETC. MUST BE REPLACED WITH EXACTFACTORY TYPES, DO NOT USE REPLACEMENT COMPONENTSOTHER THAN THOSE SPECIFIED OR MAKE UNRECOMMENDED CIR-CUIT MODIFICATIONS.

7. AFTER RE-ASSEMBLY OF THE SET ALWAYS PERFORM AN A.C.LEAKAGE TEST ON ALL EXPOSED METALLIC PARTS OF THE CABI-NET, (THE CHANNEL SELECTOR KNOB, ANTENNA TERMINALS. HAN-DLE AND SCREWS) TO BE SURE THE SET IS SAFE TO OPERATEWITHOUT DANGER OF ELECTRICAL SHOCK. DO NOT USE A LINE ISOLATION TRANSFORMER DURING THIS TEST USE AN A.C. VOLT-METER, HAVING 5000 OHMS PER VOLT OR MORE SENSITIVITY, INTHE FOLLOWING MANNER; CONNECT A 1500 OHM 10 WATT RESIS-TOR, PARALLELED BY A .15 MFD. 150.V A.C TYPE CAPACITORBETWEEN A KNOWN GOOD EARTH GROUND (WATER PIPE, CON-DUIT, ETC.) AND THE EXPOSED METALLIC PARTS, ONE AT A TIME.MEASURE THE A.C. VOLTAGE ACROSS THE COMBINATION OF 1500 OHM RESISTOR AND .15 MFD CAPACITOR. REVERSE THE A.C. PLUGAND REPEAT A.C. VOLTAGE MEASUREMENTS FOR EACH EXPOSED METALLIC PART. VOLTAGE MEASURED MUST NOT EXCEED 75VOLTS R.M.S. THIS CORRESPONDS TO 0.5 MILLIAMP A.C ANYVALUE EXCEEDING THIS LIMIT CONSTITUTES A POTENTIAL SHOCKHAZARD AND MUST BE CORRECTED IMMEDIATELY.

SUBJECT: GRAPHIC SYMBOLSTHE LIGHTNING FLASH WITH APROWHEAD SYMBOL. WITHINAN EQUILATERAL TRIANGLE, IS INTENDED TO ALERT THESERVICE PERSONNEL TO THE PRESENCE OF UNINSULATED“DANGEROUS VOLTAGE” THAT MAY BE OF SUFFICIENT MAG-NITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK.THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIAN-GLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TOTHE PRESENCE OF IMPORTANT SAFETY INFORMATION INSERVICE LITERATURE.

SUBJECT : X-RADIATION1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER-

SONNEL COVER THE SUBJECT OF X-RADIATION. THE ONLY POTEN-TIAL SOURCE OF X-RAYS IN CURRENT T.V. RECEIVERS IS THE PIC-TURE TUBE. HOWEVER, THIS TUBE DOES NOT EMIT X-RAYS WHENTHE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL. THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC. OPERA-TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC-TURE TUBE OR HIGH VOLTAGE SUPPLY AND, UNDER CERTAIN CIR-CUMSTANCES, MAY PRODUCE RADIATION IN EXCESS OF DESIR-ABLE LEVELS.

2. ONLY FACTORY SPECIFIED C.R.T. ANODE CONNECTORS MUST BEUSED. DEGAUSSING SHIELDS ALSO SERVE AS X-RAY SHIELD INCOLOR SETS, ALWAYS RE-INSTALL THEM.

3. IT IS ESSNTIAL THAT SERVICE PERSONNEL HAVE AVAILABLE ANACCURATE AND RELIABLE HIGH VOLTAGE METER. THE CALIBRATION OF THE METER SHOULD BE CHECKED PERIODICALLYAGAINST A REFERENCE STANDARD, SUCH AS THE ONE AVAILABLEAT YOUR DISTRIBUTOR.

4. WHEN THE HIGH VOLTAGE CIRCUITRY IS OPERATING PROPERLYTHERE IS NO POSSIBILITY OF AN X-RADIATION PROBLEM. EVERYTIME A COLOR CHASSIS IS SERVICED. THE BRIGHTNESS SHOULDBE RUN UP AND DOWN WHILE MONITORING THE HIGH VOLTAGEWITH A METER TO BE CERTAIN THAT THE HIGH VOLTAGE DOESNOT EXCEED THE SPECIFIED VALUE AND THAT IT IS REGULATINGCORRECTLY, WE SUGGEST THAT YOU AND YOUR SERVICE ORGA-NIZATION REVIEW TEST PROCEDURES SO THAT VOLTAGE REGU-LATION IS ALWAYS CHECKED AS A STANDARD SERVICING PROCE-DURE. AND THAT THE HIGH VOLTAGE READING BE RECORDER ONEACH CUSTOMER’S INVOICE.

5. WHEN TROUBLESHOOTING AND MAKING TEST MEASUREMENTS INA PRODUCT WITH A PROBLEM OF EXCESSIVE HIGH VOLTAGE,AVOID BEING UNNECESSARILY CLOSE TO THE PICTURE TUBE ANDTHE HIGH VOLTAGE SUPPLY. DO NOT OPERATE THE PRODUCTLONGER THAN IS NECESSARY TO LOCATE THE CAUSE OF EXCESSIVE VOLTAGE.

6. REFER TO HV. B+ AND SHUTDOWN ADJUSTMENT PROCEDURES DESCRIBED IN THE APPROPRIATE SCHEMATIC AND DIAGRAMS(WHERE USED).

SUBJECT: IMPLOSION1. ALL DIRECT VIEWED PICTURE TUBES ARE EQUIPPED WITH AN INTE

GRAL IMPLOSION PROTECTION SYSTEM, BUT CARE SHOULD BETAKEN TO AVOID DAMAGE DURING INSTALLATION, AVOIDSCRATCHING THE TUBE. IF SCRATCHED REPLACE IT.

2. USE ONLY RECOMMENDED FACTORY REPLACEMENT TUBES.SUBJECT : TIPS ON PROPER INSTALLATION1. NEVER INSTALL ANY PRODUCT IN A CLOSED-IN RECESS, CUBBY-

HOLE OR CLOSELY FITTING SHELF SPACE. OVER OR CLOSE TOHEAT DUCT, OR IN THE PATH OF HEATED AIR FLOW.

2. AVOID CONDITIONS OF HIGH HUMIDITY SUCH AS: OUTDOOR PATIOINSTALLATIONS WHERE DEW IS A FACTOR, NEAR STEAM RADIA-TORS WHERE STEAM LEAKAGE IS A FACTOR, ETC.

3. AVOID PALCEMENT WHERE DRAPERIES MAY OBSTRUCT REARVENTING. THE CUSTOMER SHOULD ALSO AVOID THE USE OF DEC-ORATIVE SCARVES OR OTHER COVERINGS WHICH MIGHTOBSTRUCT VENTILATION.

4. WALL AND SHELF MOUNTED INSTALLATIONS USING A COMMER-CIAL MOUNTING KIT. MUST FOLLOW THE FACTORY APPROVED MOUNTING INSTRUCTIONS A PRODUCT MOUNTED TO A SHELF ORPLATFORM MUST RETAIN ITS ORIGINAL FEET (OR THE EQUIVALENTTHICKNESS IN SPACERS) TO PROVIDE ADEQUATE AIR FLOW ACROSS THE BOTTOM, BOLTS OR SCREWS USED FOR FASTENERSMUST NOT TOUCH ANY PARTS OR WIRING. PERFORM LEAKAGETEST ON CUSTOMIZED INSTALLATIONS.

5. CAUTION CUSTOMERS AGAINST THE MOUNTING OF A PRODUCT ONSLOPING SHELF OR A TILTED POSITION, UNLESS THE PRODUCT ISPROPERLY SECURED.

6. A PRODUCT ON A ROLL-ABOUT CART SHOULD BE STABLE ON ITSMOUNTING TO THE CART. CAUTION THE CUSTOMER ON THE HAZ-ARDS OF TRYING TO ROLL A CART WITH SMALL CASTERS ACROSSTHRESHOLDS OR DEEP PILE CARPETS.

7. CAUTION CUSTOMERS AGAINST THE USE OF A CART OR STANDWHICH HAS NOT BEEN LISTED BY UNDERWRITERS LABORATORIES, INC. FOR USE WITH THEIR SPECIFIC MODEL OF TELEVISION RECEIVER OR GENERICALLY APPROVED FOR USE WITH T.V.’S OFTHE SAME OR LARGER SCREEN SIZE.

8. CAUTION CUSTOMERS AGAINST THE USE OF EXTENSION CORDS, EXPLAIN THAT A FOREST OF EXTENSIONS SPROUTING FROM A SIN-GLE OUTLET CAN LEAD TO DISASTROUS CONSEQUENCES TOHOME AND FAMILY.

PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS

A.C. VOLTMETER

GOOD EARTH GROUNDSUCH AS THE WATERPIPE. CONDUIT. ETC

PLACE THIS PROBEON EACH EXPOSEDMETAL PART

Page 5: Lg Dp181 Bp t Portable Dvd

1-4

SERVICING PRECAUTIONS

CAUTION : Before servicing the PORTABLE DVD coveredby this service data and its supplements and addends, readand follow the SAFETY PRECAUTIONS. NOTE : if unfore-seen circumstances create conflict between the followingservicing precautions and any of the safety precautions inthis publications, always follow the safety precautions.Remembers Safety First:

General Servicing Precautions1. Always unplug the PORTABLE DVD AC power cord from

the AC power source before:(1) Removing or reinstalling any component, circuit board,

module, or any other assembly.(2) Disconnection or reconnecting any internal electrical

plug or other electrical connection.(3) Connecting a test substitute in parallel with an elec-

trolytic capacitor.Caution : A wrong part substitution or incorrect polarity installation of electrolytic capacitors may resultin an explosion hazard.

2. Do not spray chemicals on or near this PORTABLE DVDor any of its assemblies.

3. Unless specified otherwise in this service data, cleanelectrical contacts by applying an appropriate contact cleaning solution to the contacts with a pipe cleaner,cotton-tipped swab, or comparable soft applicator.Unless specified otherwise in this service data, lubricationof contacts is not required.

4. Do not defeat any plug/socket B+ voltage interlocks withwhitch instruments covered by this service manual mightbe equipped.

5. Do not apply AC power to this PORTABLE DVD and/orany of its electrical assemblies unless all solid-statedevice heat sinks are cerrectly installed.

6. Always connect test instrument ground lead to theappropriate ground before connection the test instrumentpositive lead. Always remove the test instrument ground lead last.

Insulation Checking ProcedureDisconnect the attachment plug from the AC outlet and turnthe power on. Connect an insulation resistance meter(500V)to the blades of the attachment plug. The insulation resis-tance between each blade of the attachment plug and acces-sible conductive parts (Note 1) should be more than 1M-ohm.Note 1 : Accessible Conductive Parts including Metal pan-els, Input terminals, Earphone jacks, etc.

Electrostatically Sensitive (ES) DevicesSome semiconductor (solid state) devices can be damagedeasily by static electricity. Such components commonly arecalled Electrostatically Sensitive (ES) Devices. Examples oftypical ES devices are integrated circuits and some fieldeffect transistors and semiconductor chip components.The following techniques should be used to help reduce theincidence of component damage caused by static electricity.

1. Immediately before handling any semiconductor compo-nent or semiconductor-equipped assembly, drain off anyelectrostatic charge on your body by touching a knownearth ground. Alternatively, obtain and wear a commer-cially available discharging wrist strap device, which should be removed for potential shock reasons prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly.

3. Use only a grouned-tip soldering iron to solder or unsolderES devices.

4. Use only an anti-static solder removal device. Somesolder removal devices not classified a “anti-static” cangenerate electrical charges sufficient to damage ES devices.

5. Do not use freon-propelled chemicals. These cangenerate electrical charge sufficient to damage ESdevices.

6. Do not remove a replacement ES device from its protective package until immediately before you are ready toinstall it. (Most replacement ES devices are packaged withleads electrically shorted together by conductive foam,aluminum foil, or comparable conductive material).

7. Immediately before removing the protective material fromthe leads of a replacement ES device, touch the protectivematerial to the chassis or circuit assembly into which thedevice will be installed.

Caution : Be sure no power is applied to the chassis orcircuit, and observe all other safety precautions.

8. Minimize bodily motions when handling unpackaged replacement ES devices. (Normally harmless motion such as the brushing together of your clothes fabric or the liftingof your foot from a carpeted floor can generate static elec-tricity sufficient to damage an ES device.)

Page 6: Lg Dp181 Bp t Portable Dvd

1-5

SPECIFICATIONS

[DVD player]Power supply DC 9.5V (AC adapter terminal),DC 7.4V (Battery)

Power consumption 12 W with battery

Weight 12.6 ibs (0.66kg)(without battery pack)

External dimensions(W X D X H) 7.5 x 6.9 x 1.2 inches (191 x 175 x 31mm)

Signal system PAL

Laser Semiconductor laser, wavelength 650 nm (DVD),780nm(CD)

Frequency range (audio) DVD linear sound:48KHZ sampling 4 HZ to 20KHZ

96KHZ sampling 4 HZ to 44 KHZ

Signal-to-noise ratio(audio) More than 95dB

Dynamic range(audio) More than 95dB

Harmonic distortion(audio) 0.08%

Operatingconditions(audio) Temperature: 41°F to 95°F, Operation status: Horizontal

[Connectors]Video input/output(VIDEO IN/OUT) 1.0V(P-P),75R,negative sync x 3.5m x 1

Audio output (optical audio) Optical connector ( ø3.5mm) x 1

Audio input/output 2.0Vrms (1 KHZ,0 dB), ø3.5m x 1

(AUDIO IN/OUT, analog audio)

Earphone terminal ø3.5mm stereo mini jack x 1

[Liquid Crystal Display]Panel size 7 inches (16:9)

Projection system TN color transmission

Driving system TFT active matrix

Page 7: Lg Dp181 Bp t Portable Dvd

2-12-1

SECTION 2

EXPLODED VIEWS

CONTENTS

EXPLODED VIEWS .....................................................................................................................2-21. CABINET AND MAIN FRAME SECTION ................................................................................2-22. ACCESSORY SECTION ...........................................................................................................2-3

Page 8: Lg Dp181 Bp t Portable Dvd

2-22-2

EXPLODED VIEWS1. CABINET AND MAIN FRAME SECTION

LC

DIN

VE

RT

ER

A4

6

A5

2A

29

3

A4

2

28

1

28

5

28

3

28

2

27

7

27

7

27

2

A5

1A

49

AA4

0

26

5

26

7

27

5

26

0

29

6

29

5

27

8

A4

8

26

6

26

4A

44

A

A0

0

A4

5A

A4

6A

26

2

29

2

MA

IN

US

B

KE

YB

AT

TE

RY

28

4

27

5

A

5

4

3

2

1

B C D

Page 9: Lg Dp181 Bp t Portable Dvd

2-3

834 833

806 900 808

2. ACCESSORY SECTION

Page 10: Lg Dp181 Bp t Portable Dvd

3-1

SECTION 3

ELECTRICAL

CONTENTS

LCD PART ................................................................................................................3-2LCD TROUBLE SHOOTING GUIDE .....................................................................3-3LCD BLOCK DIAGRAM........................................................................................3-5LCD CIRCUIT DIAGRAMS ....................................................................................3-7LCD PRINTED CIRCUIT DIAGRAMS....................................................................3-9

MAIN PART ............................................................................................................3-11MAIN ELECTRICAL TROUBLE SHOOTING GUIDE...........................................3-11DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING..............3-15MAIN BLOCK DIAGRAMS...................................................................................3-23MAIN CIRCUIT DIAGRAMS .................................................................................3-25MAIN PRINTED CIRCUIT DIAGRAMS ................................................................3-47

Page 11: Lg Dp181 Bp t Portable Dvd

1) Power measuring

Measure each power after power supply.C46(-):-10V, C45(+):+15V,C83:+7.5V,C85(+):+5V,C38(+):3.3V

2) VCOM waveform adjustment

Adjust the VCOM level while changing the VR1 as below waveform by using the scope in theC90.

3-2

Vcom Waveform

63.563.5µs

5.5.3Vp-p3Vp-p

0.7V

4.6V

GNDGND

LCD PART

Page 12: Lg Dp181 Bp t Portable Dvd

3-3

DESPLAY CONDITION? INVERTOR ABNORMAL

Appear shadow form interference in black background

There is only bring light.(LCD B/D abnormal)

Check and replace U101(MP1411) U102(MP1411)

Check FB104

Check and replace Jack(J504)

Main B/D on located

Check and replace L19

Check U201 Pin 218 Output SYCheck U201 Pin 221 Output SC

IC(U1) Check and Replace

IC(U2) Check and Replace

U101(MP1411) OUTPUT 5VU102(MP1411) OUTPUT 3V3

FB104 OUTPUT 3V3

JACK(J504) PINS18, 19, 20 3V3

L19 3V3

Y SIGNAL OUTPUT?C SIGNAL OUTPUT?

R. G .B SIGNAL OUTPUT?

VCOM SIGNAL?(6.5VPP)

YES

YES

NO

NO

NO

NO

NO

NO

NO

YES

YES

YES

YES

LCD TROUBLE SHOOTING GUIDE

Page 13: Lg Dp181 Bp t Portable Dvd

3-4

LCD MODE CONT SIGNAL?ALL “LOW”(MORMAL CONDITION)?

MAIN B/D Check

Power source and D2,D3,U5 CheckTFT LCD PRESSURE VOLTAGE?+15V,- 10V,+5V

TFT LCD NORMAL? Replace

COLOR ADJUSTING NORMAL? Readjust as adjustement standard

EACH CONNECTOR? Replace and Reassemble

END Replace

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

NO

Page 14: Lg Dp181 Bp t Portable Dvd

LCD BLOCK DIAGRAM

+5V +15V -10V

LCD 7 INCH INNOLUX

TERAMINS T100A

RGB

VCOM

CKV

STH

STV

OEH

OEV

U/D

L/R

INVERTER BOARD

DC-DC CONV

+3V3 +2.5V +2.2V

SY SC

CVBS_IN

VIDEO IN

3-5 3-6

Page 15: Lg Dp181 Bp t Portable Dvd

3-7 3-8

LCD CIRCUIT DIAGRAMS

82.6ma

126ma

AV

SC

CVBS

S_C

SY S_Y

STH2

U/D

SCL

STH1

IOB

CPH1

L/R

CKV

VCOMO

RSET

AVDD33

S_Y

STV2

OEH

SDA

AV

IOG

OEV

STV1

IOR

S_C

RESET_T

VCOM

5VD

-10V

VCOMO

VB

VR

IOB

7VD5

IOR

IOG

VG

5VD7VD5

+15V

VCC_3V3

-10VSPR+

GND

SPR+

GND

SPL-

RESET_T

SPR-

GND

SDA

SY

VCC_3V3

SPL+

SPL+

GND

GND

SPR-

SPL-

CVBS

SCL

SC

CPH1

CKV

L/R

STV1STV2

AVCC

U/D

OEH

DVCC

OEV

VB

STH1

VRVG

+15V

STH2

VCOM

DVCC

VCOM

-10V

VCC_3V3

VDD22

AVDD33

VDD33

VDD33

VDD22AVDD33 VDD33

VDD33

VDD22

VDD33

AVDD33

VDD22

+7.5V BIAS

+7.5VBIAS

+7.5VBIAS

+7.5VBIAS

5VD

R2910K

R22

100

R3139K

R1133

12

C20.1uF

D4

BAT54S

3

2

1

C27

0.1uF

R141M

12

+

C89 10uF/16V

C16680pF

C53

100pF

C510.1uF

R43

150k

Y127MHZ

R4510K

C640.1uF

RP3 82

3 62 71 84 5

L7

FB

D1

IN5819

12

C25

4.7uF/16V

R46 51K

C28

0.1uF

R16

1K

JP3

12

JP4

0.8-20PIN

1234567891011121314151617181920

R3510K

C710.1uF

L12 5.4uH

+ C26

105

+ C3847uF/6.3V

R3

10KL4

2.7uH

C8422uF/16V

R675

C66

0.1uF

R4710K

C147nF

C57

0.1uF

C630.1uF

R15

4.7K

12

+

C34

10uF/10V

C500.1uF

JP2

12R21

10KR25

1M

C210.1uF

+ C94

4.7uF/25V

R81K

R44.7K

C30.1uF

C930.1u

U5

3414

1234 5

678A OUT

A- INA+ INGND B+ IN

B- INB OUT

V+

D7

BAT54S

3

2

1

C780.1uF

+C8

10uF/10V

C55 1uF

C310.1uF

C59 1uF

R24

430

+ C3547uF/6.3V

C54 1uF

C92470p

R175

C11390pF

L1110uH

C400.1uF

C650.1uF

C331uF

R12 R

R4120K

+C6047uF/6.3V

C130.1uF

C701uF

+

C44

10uF/10V

+

C90

10uF/16V

C1547nF

C850.1u

C620.1uF

C360.1uF

C88

273

C69

0.1uF

+ C9

10uF/10V

R23

39K

C6330pF

D3

10V

C8622uF/16V

C41

0.1uF

C750.1uF

C2022P

L8

10uHL10

10uH

C67

0.1uFR33

1M

R42 10K

R71K

U1

TERAWINS T100

654

141312

222120

3

1911

2930

8182838485868788

90

9293

362831

34

3233

38394041424344454950525354

626568

7172

737499

100

97 98 2 8 10 16 18 24 25 37 48 51 55 58 79 9459 6164 67 7076

1 7 9 15 17 23 63 66 69 7526 47 56 80 46 57 78 96

95

2735 6077 8991

AC0/ACB0AC1/ACB1AC2/ACB2

CVBS0/AY0CVBS1/AY1CVBS2/AY2

CVBS3/ACR0CVBS4/ACR1CVBS5/ACR2

CBMID

CRMIDCGMID

IICA3/SDASCANB/SCL

VDT0VDT1VDT2VDT3VDT4VDT5VDT6VDT7

VCLK

XTALIXTALO

XCLK2MCRSTBCPUINT/SCANST

PWM

VB

IVA

LID

/Xbu

sRD

FIE

LD/X

busW

R

RLUD

STV1STV2GOE

GCLKLP/OEH

POL/VCOM/HSOSTH1/HSO

STH2/DECPH1/LLCK1CPH2/LLCK2CPH3/LLCK3

IOBIOGIOR

RSETCOMP

VREFINVREFOUTFIB1

VREF

NC

1N

C2

AG

ND

BA

GN

DB

AG

ND

GA

GN

DG

AG

ND

RA

GN

DR

GN

DG

ND

GN

DG

ND

GN

DG

ND

GN

DG

ND

AV

SS

D

DV

SS

AV

SS

33B

AV

SS

33G

AV

SS

33R

AV

SS

AV

DD

BA

VD

DB

AV

DD

GA

VD

DG

AV

DD

RA

VD

DR

AV

DD

33B

AV

DD

33G

AV

DD

33R

AV

DD

VD

D33

VD

D33

VD

D33

VD

33

VD

D25

VD

D25

VD

D25

DP

LLV

C25

DP

LLG

ND

VD

D25

VD

D33

DV

DD

AV

DD

33

VD

D25

VD

33

D2

17V

R28

100

RP1 82

4 53 62 71 8

C740.1uF

R18

430

+ C3247uF/6.3V

+

C72

10uF/10V

Q32N3904

1

32

R54.7K

C5680pF

D5

BAT54S

3

2

1

R4420K

C520.1uF

U4

AAT1102

1234 5

678EO

INSHDNGND SW

VDDFREQ

SS

R36100

+C7347uF/6.3V

U2CM1117SCM223 2.5V

3 2

1

OUT IN

GN

D

R30510

C58 1uF

C431uF

R13 R

C56

0.1uF

RP2 82

4 53 62 71 8

JP1

CON26

2625242322212019181716151413121110090807060504030201

AVSSAVDDVCVBVADVSSDVDDCPH1CPH2CPH3STHRSTHLOEHQ1HLRVCOMVCOMOEVU/DCKVSTVLSTVRVGHVGLVCCGND

C91

18p

R10 3312

R27

10K

R38 2K

C29

0.1uF

+C3922uF/16V

R4010K

C12560pF

Q22N3904

1

23

C79100pF

R2 20K

R37 8.2K

+C4747uF/6.3V

R26

150

C45

4.7uF/25V

D6

BAT54S

3

2

1

C480.1uF

+

C2222uF/16V

R39150R(10K)

U6MP1540

5 1

42

3

IN

SW

ENG

ND FB

U3 78L05

2

13

GN

D

VOUTVIN

L2

2.7uH

+ C3047uF/6.3V

Q12N3904

1

32

R32430

C820.1uF

R19

1M

R34150

+ C747uF/10V

VR1

10K1 3

2

L6 FB100

C68

0.1uF

C140.1uF

C17330pF

C87

10uF

/16V

D8

5819

1 2

C8147uF/10V

C770.1uF

C230.1uF

R975

R17

39K

+

C4100uF/6.3V

C370.1uF

R20

150

L1 FB

C760.1uF

C8322uF/16V

C610.1uF

L3

2.7uH

L9 10uH

C800.1uF

C42100pF

C19

22PF

C24

4.7uF/16V

C46

4.7uF/25V

L5 2.7uH

C490.1uF

C1822PF

C1047nF

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 16: Lg Dp181 Bp t Portable Dvd

3-9 3-10

LCD PRINTED CIRCUIT DIAGRAMS1. MAIN P.C. BOARD( TOP VIEW )

( BOTTOM VIEW )

Page 17: Lg Dp181 Bp t Portable Dvd
Page 18: Lg Dp181 Bp t Portable Dvd

3-11

MAIN ELECTRICAL TROUBLE SHOOTING GUIDE

A. POWER (DC-DC CONVERTER) CIRCUIT

NO POWER ONby ADAPTOR

Replace ADAPTORIs ADAPTOR OUT9.5V.OR 12V

A

Is1D3 OK.

NO

NOReplace 1D3

NO

NO

YES

YES

YES

NO POWER ON byBATTERY

Replace BATTERYIs BATTERY OK?

A

NO

YES

YES

A

YES

NO +5VNO +1.8V

Is IC(1U2)3.3v OK?

ReplaceIC(1U2).

ReplaceIC(U101)

Is IC(U105)pin2 1.8V OK?

ReplaceIC(U105).

NO +3.3V NO LCD 3V3NO AUDIO

5V

ReplaceIC(U103)

MAIN PART

Page 19: Lg Dp181 Bp t Portable Dvd

B. AUDIO OUT ABNORMAL

AUDIO OUTABNORMAL

Check Audio Jack &Mode

Check Signals fromMPEG

Check AUDIO 5V

YES

YES

YES

YES

Replace IC(U401)

D. VIDEO OUT ABNORMAL

VIDEO OUTABNORMAL

Check Video Jack & Mode

Check IC(U501)

Check Video signalsfrom MPEG

YES

YES

YES

E. VIDEO IN ABNORMAL

VIDEO IN ABNORMAL

Check Video Jack &Mode

Refer to LCD part

Check Jack J505

YES

YES

YES

C. AUDIO IN/SPEAKER ABNORMAL

AUDIO IN/SPEAK-ER ABNORMAL

Check Audio Jack & Mode S/W

Is Speakers OK ?

Is CON404 OK ?ReplaceCON404

ReplaceSpeakers

Replace IC(U406)

3-12

Page 20: Lg Dp181 Bp t Portable Dvd

3-13

F. PICTURE ABNORMAL G. DISC ERROR

PICTURE ABNORMAL

Check the disc.

Check MPEG(IC U201)

Check MPEG_CLKSignal of MPEG part

YES

YES

Replace B/D

YES(If OK)

(If OK)

YES(If OK)

YES(If OK)

DISC ERROR

Check Disc

Replace B/D

YES

YES

Page 21: Lg Dp181 Bp t Portable Dvd

3-14

H. MPEG Circuit

Power ON

Logo ON?

Check Reset Circuit

Check Flash and SDRAMBlock

Check Power&Clk Circuit

Check SPHE8281 VideoOutput and Video FilterCircuit

Pls Refer RF/Servo DebugPart to Check Servo Block

Check 8281 Audio OuputWaveform (Pin196, 201,202, 203)

Check Audio DAC CS4391Waveform (Pin13,14,18,19)

Check Audio Filer and OPCircuit

Disc in and close tray

Disc Logo Begin Rotate ?

Can Read The Disc andplay OK?

Audio Ouput OK?

END

NO

OK

NO

OK

NO

NO

OK

OK

OK

YES

Check Cover Limit Switch

OK

OK

OK

OK

YES

YES

YES

YES

Page 22: Lg Dp181 Bp t Portable Dvd

3-15

DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING

1 SYSTEM 27MHz CLOCK IS AT 27MHz (8202D)1.1 SPHE8202D MIAN CLK at 27MHz

FIG1.1 Vp-p:2.36V F:27MHZ (8202D pin 77)

1.2 SDCLK at 121MHz

FIG1.2 Vp-p: 2. 55V F:121MHz (8202D pin 113)

Page 23: Lg Dp181 Bp t Portable Dvd

3-16

2. DISC TYPE JUDGMENT WAVEFORM2.1 CD TYPE JUDGMENT WAVEFORM

FIG2.1 CD TYPE

2.2 D5 TYPE JUDGMENT WAVEFORM

FIG2.2 D5 TYPE

Page 24: Lg Dp181 Bp t Portable Dvd

3-17

2.3 D9 TYPE JUDGMENT WAVEFORM

FIG 2.3 D9 TYPE

3. FOCUS ON WAVEFORM3.1 FOCUS ON WAVEFORM

FIG 3.1

Page 25: Lg Dp181 Bp t Portable Dvd

3-18

4. SPINDLE CONTROL WAVEFORM(NO DISC CONDITION)

FIG 4.1

5. TRACKING CONTROL REALTED SINGNAL

FIG 5.1

Page 26: Lg Dp181 Bp t Portable Dvd

3-19

FIG 5.2

6. RF WAVEFORM

FIG 6.1 RFOP

Page 27: Lg Dp181 Bp t Portable Dvd

3-20

7. AUDIO OPTICAL AND COAXIAL OUTPUT (ASPDIF)

FIG 7.1 ASPDIF

8.VIDEO OUTPUT WAVEFORM8.1 FULL COLOR SIGNAL CVBS

FIG 8.1 CVBS

Page 28: Lg Dp181 Bp t Portable Dvd

3-21

8.2 Y

FIG 8.2 Y

8.3 C

FIG 8. 3 C

Page 29: Lg Dp181 Bp t Portable Dvd

3-22

9. AUDIO OUTPUT FROM AUDIO DAC9.1 AUDIO L/R

FIG 9.1 AUDIO L/R

9.2 AUDIO RELATED SIGNAL

FIG 9.2

Page 30: Lg Dp181 Bp t Portable Dvd

3-23

MAIN BLOCK DIAGRAMS1. OVERALL BLOCK DIAGRAM

DECK MECHANISM

FOC+,FOC-,RAD+,RAD-

H+/-,H1+/-,H2+/-,H3+/-,SA1,SA2,SA3

DVDLDOCDLDO, ,

MDI1,SUBA,SUBB

A,B,CD,E,F,

RA

[00:

20]

RE

E

RO

E R

_CS

1 R

ESET

_B

RD

[0:7

]M

A[0

0:11

]B

A[0

:1]

DC

LK

D

CK

E

DQ

M[0

:1]

CS

# R

AS#

C

AS#

W

E#

DQ

[00:

15]

I2C

_CLK

I2C

_DA

TA

AU

_XC

KA

U_B

CK

A

U_L

RC

K

AU

_D0

VR

ST#

FR

ON

TA_S

P_A

MP

_EN

MP

EG

/SP_

MU

TE

SP_

L+/

-,SP

_R+/

-

HP

JA

CK

OP

TI-

A_O

UT

SLED+,SLED-

DM

EA

,FG

IN

27M

Hz

SY

CV

BS

SC

/A_M

UT

E

PO

WE

R

+15V

,-14

.5V,

+7.5

V

PO

WE

R

BLO

CK

P

OW

ER

J

ACK

DC

PWR

DC

+9.

5V

BA

T7.

6V

BA

T_S

EN

SE

DC

_SE

NS

E

}BA

TT

ER

Y/

FR

ON

T

E+

5VV

CC

DV

D_C

TRL

Sta

ndby

CV

BS

JA

CK

BA

TE

RY

BL

OC

K

PW

M

PO

WE

R

D

C+

9.5V

SA

M_I

,SA

M_U

BA

T7.

6VS

P_A

MP_

EN

BF1

_FM

_CS

VID

EO

_IO

_CO

N

AU

DIO

_CD

_CO

N

VF

D_T

XD

V

FD

_SC

K

}MP

EG

A_V

IDE

O_I

O_C

ON

A_A

UD

IO_C

K_C

ON

A_S

P_A

MP

_EN }A

UD

IO

AVFD

_TX

KAV

FD_S

CK

A

VF

D_C

S

5MH

z

BA

T_S

EN

CE

,DC

_SEN

CE

DC

+9.5

V

FR

ON

T

BLO

CK

STA

ND

BY

A-5

V

Aud

io-5

V

+15

V

-14.

5V

+7.

5VV

CC

3.3

V

A+3

.3V

D

VB

_CT

RL

+1.

8V

VC

C_5

V, U

SB_

DM

,US

B_D

P,G

ND

FC

O,T

CO

,SC

O,

ST

BY

,V1P

4

DIS

CR

ON

T{

SPIN

DL

E

MO

TO

R

STE

PPI

NG

M

OT

OR

M

PIC

K

UP

M

U30

2B

A68

49

U20

3 26

V16

0TE

-70

U20

2IS

42S

1640

00-7

TU

204

S24

C02

1CS

U40

1C

S43

91

U40

2N

JM45

80M

U

403

NJU

4052

BV

U40

4 N

JM45

80M

U40

6T

PA

6011

U30

1 B

A58

88

U20

1

SP

HE

8281

A-2

56

MP

EG

/DS

P/R

F/D

VB

U

2

TE

RA

WIN

S T

100A

LCD

BLO

CK

U90

1SI

4435

DY

U10

1 M

P14

11

U10

2 M

P14

11

Q11

1

U90

3

GT

631

2(C

LV2.

9)U90

2SI

4435

S-

8232

ALF

T

U60

374

VH

CT

541

U 6

01

MC

80F

024

LED

RC

601

TSO

P623

8

KE

Y_M

Q60

22N

3904

U10

3 M

P14

11

U10

4T

PS6

0400

U5

MP

S151

1

U10

5C

M11

17-A

DJ

US

B B

oard

Page 31: Lg Dp181 Bp t Portable Dvd

3-24

2.POWER(DC-DC CONVERTER)BLOCK DIAGRAM

M+

5V

A+

5V

E+

5V

A-5

V

DV

CC

3

AP

LLV

CC

3

WC

C3

SD

_VC

C3

RF

3.3V

US

B_P

LL3.

3

From AC Adapter 9.5v/12v

U10

1

MP

1411

+15

V

-10V

+7.

5VU

105

CM

1117

SC

M22

3

AD

J

U10

2

MP

1411

U10

3

MP

1411

DV

D 1

V8

U4

AT

1780

PLL

3.3V

A3.

3

AP

C3.

3V

VC

C_5

V

AU

DIO

_5V

VC

C_3

V3

LCD

_3V

3

VC

C

Page 32: Lg Dp181 Bp t Portable Dvd

3-25 3-26

MAIN CIRCUIT DIAGRAMS1. MAIN POWER CIRCUIT DIAGRAM

C

2N3904

SOT23

1

2

EB 31

2C

B E

2N3906

3

1C3 1C10

INDEX&POWERSunday, July 16, 2006

VCC_5V

E+5V

STANDBY

AUDIO_5V

9V_IN

BAT_OUT

LCD_5V

AUDIO_5V

LCD_3V3

DC_SENSE

BAT_SENSE

A-5V

VCC_3V3

BAT_OUT

VCC_3V3

BAT_OUT

STANDBY

VCC_5

9V_IN

A-5V

GND

LCD_3V3

BAT_SENSE

VCC_5V E+5V

DC_SENSE

VCC_5V

VCC_3V3

BAT_OUT

BAT_OUT

STANDBY

P+AAUDIO_5V

P+A

BAT_SENSE 9

VCC_5V 2

E+5V 6,8,9,12

STANDBY 2,9

AUDIO_5V 2,6,7,8,9,10

9V_IN 9,12

BAT_OUT 8,12

LCD_3V3 8

DC_SENSE 9

A-5V 6

LCD_5V 8

GND 2,3,4,5,6,7,8,9,10,12

VCC_3V3 2,3,4,8,9

VCC_5 2

P+A 9,12

L102 22uH

C112 392

R121 39K

D102 1N5822

C127

0.1uF

TP115D104 1N58221 2

TP118

CE10710uF/25V

C128 OPEN

D103 ss24

R10924K

C114

0.22uF(224)

TP104

R104

10K/1%

TP102

TP100

TP110

L101 22uH

C1150.1uF

CE102100uF/10V

C109103

C1110.22uF(224)

C1100.22uF(224)

L104 22uH

C124103

R11039K/1%

CE108100uF/10V

C129 392

TP106

R107

10K/1%

C116

0.1uF

R101 39K/1%

R1085.6K

FB104 10uH

R116 10K

C113 OPEN

C103103

CE11010uF/25V

C123

0.22uF(224)

TP111

TP113

C117

0.1uF

C105 0.1uF

TP122

CE121100uF/10V

R1052K

TP112

C107 0.1uF

R119 5.6K

TP107

D100 1N5822

TP108

R102120K/1%

CE111100uF/25V

R115

10K/1%

C118392

FB105 10uH

CE109100uF/10V

TP116

CE101100uF/10V

C1250.22uF(224)

J101

POWERJACK

132

C126

0.1uF

R114 100K

R118 10K

R113 10K

L105 10uH

C106 OPEN

TP105

CE103100uF/10V

TP101

R11147K/1%

C122

0.22uF(224)

CE106

10uF/16V

R103 0

C108 0.1uF

CE10510uF/16V

TP109

CE10410uF/25V

C120

0.1uF

TP114

C121 1uF

U102

MP1411

1234

6789

5

10NCBSNCIN

GNDFB

COMPEN

SW

SS

C104 0.22uF(224)

R150 0

U103

MP1411

1234

6789

5

10NCBSNCIN

GNDFB

COMPEN

SW

SS

CE112220uF/25V

U101

MP1411

1234

6789

5

10NCBSNCIN

GNDFB

COMPEN

SW

SS

R106

39K

U104

TPS60400

1

5

2

3

4

OUT

Cfly

+

IN

Cfly

-

GN

D

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 33: Lg Dp181 Bp t Portable Dvd

3-27 3-28

2. POWER CIRCUIT DIAGRAM

5V Power for Video Buffer & Motor Driver & OPU

POWERSunday, July 16, 2006

APC3.3V

MGND

VCC_3V3

DVD_CTRL

A3.3

DVD_CTRL

A+5V

VCC_5V

STANDBY

VCC_3V3

+1.8V

SD_VCC3

VVCC3

DVCC3

PLL3.3V

RF3.3V

APLLVCC3

USB_PLL3.3

APC3.3V

GND

+1.8V

VCC3

VPLLVCC1.8

VCC_5

A+5V

TGND

VCC_3V3

A3.3

VCC

AUDIO_5V

M+5V

A3.3 6,8

DVD_CTRL 3

STANDBY 1,9

A+5V 5

VCC_5V 1

VCC_3V3 1,3,4,8,9

VVCC3 3

APLLVCC3 3

SD_VCC3 4

RF3.3V 3

DVCC3 3

PLL3.3V 3

APC3.3V 3,5

USB_PLL3.3 3

GND 1,3,4,5,6,7,8,9,10,12

VCC1.8 3

VCC3 1,3,4,8,9

VPLLVCC1.8 3

VCC_5 1

TGND 11

VCC 8

AUDIO_5V 1,6,7,8,9,10

M+5V 1

VGNDGNDRFGND MGND AUD_GNDGNDGND

RF3.3V PLL3.3V

RFGNDRFGND

RFGND RFGND

M+5VVCC

MGNDA+5V

USB_PLL3.3

GND

TGNDGND

SD_VCC3

VVCC3

VGND

APLLVCC3

GND

DVCC3

GND

RFGND

VGND AUD_GND

VCC_5V VCC

VPLLVCC1.8

GND

C15847uF/10V

Q111

2F2301P

1

3 2

L10650

R139 2.2 (0805)

C1830.1uF

C165

0.1uF

+ C166

47uF/10V

U105CM1117SCM223 1.8VSOT223

23

1

4

OUTIN

GN

D

TAB

L10950

R140 0 (0805)

+ C160

47uF/10V

FB108100

C157

0.1uF

Q106

2N3904

1

32

+ C162

47uF/10V

CE1190.1uF

C161

0.1uF

C1560.1uF

C163

0.1uF

L116

50

+ CE118

100uF/6.3V

R146

620

L107

50

TP140

L12150

L110

50

C182

0.1uF

L111

10UH

+C153

47uF/10V

C167

0.1uF

R147 330

+ C180

100uF/6.3V

+ C142

47uF/10V

R1285.1K

C141

0.1uF

L120

50

CE114

100uF/10V

R124

10K

C181

0.1uF

C172

0.1uF

R148 10

L114

50

L113

50

C152

0.1uF

C151

47uF/10V

C149

0.1uF

C140

1uF

+ C173

47uF/10V

R130

5.1K

+ C171

47uF/10V

C159

0.1uF

C170

0.1uF

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 34: Lg Dp181 Bp t Portable Dvd

3-29 3-30

3. SPHE8202D DSP CIRCUIT DIAGRAM

AUDIO INTERFACE

IIC

VIDEO INTERFACE

H/W CONFI G

close t o8202 D

The Cover Limit Switch

Debug Po r t

RESET

SPHE8202D DSPSunday, July 16, 2006

TV_DAC0

TV_DAC3

SPDIF_OUT

AU_XCK

AU_D0

I2C_DATAI2C_CLK

AU_BCKAU_LRCK

TV_DAC5

PUHRF

V_REF

V_FSADJ

V_COMP

M_CS0M_CASM_RAS

M_CS0M_BA0

DQM0DQM1

V_BIAS

MWE

M_C

AS

R_C

S1

AU

_D0

V_H

_SY

NC

SDRAM_CLK

MA0

RA

17

MD

12

V_F

SA

DJ

MA10

RD4

MD

2

MD

3

AU

_XC

K

MA5

RA

16

V_C

OM

P

V_R

EF

TV

_DA

C0

LGIN

RD3

MD

10

MD

1

MD

5

AU

_LR

CK

B

RA

11

US

B_D

MU

SB

_DP

AU

_BC

K

TV

_DA

C3

MA6

VREF1

RFO

RA

15

M_C

S0

V_V

_SY

NC

MD9

A

FD

RD2

MD

14

MD

4

V_B

IAS

TV

_DA

C5

MA11

MA7

RA

14

MD

11S

PD

IF_O

UT

MA2

APC3.3V

RD0

MD

15

MD

7

MD8R

A0

MA8

C

RWE

CLKOUT

RA

13

RD7

RD1

M_B

A0

MD

6

MA4

VREF0

RA

12

RD6

RA

19

CLK

IN

ROE

MD

13

M_R

AS

MW

E

CLK

OU

T

/M_R

ES

ET

RFI

PD

RA

18

DQM1DQM0

MA1

D

VREF2

RD5

MD

0

PIN

84

RA1RA2RA3RA4

RA5RA6RA7RA8

RA9RA10

M_BA1

M_CKEMA9

MA[0..11]MD[0..15]

ROERWER_CS1

RD[0..7]RA[0..20]

M_BA1M_CKE

VCC3PIN83

PIN84 VCC3

DPDDDPDC

DPDBDPDA

EF

CDMDI

DPDADPDBDPDCDPDD

FE

COVER_SW

R_SUNIF_GNTR_SUNIF_FRAMER_SUNIF_CLK

R_SUNIF_D1R_SUNIF_D2R_SUNIF_D3

R_SUNIF_D0

6600_27MHZ_O

PIN82 VCC3

R_SUNIF_GNT

R_SUNIF_CLKR_SUNIF_D0R_SUNIF_D1

R_SUNIF_D2R_SUNIF_D3

R_SUNIF_FRAME

I2C_CLKI2C_DATA

R_SUNIF_CLK

656_D7 RA20

CLKIN

V_V_SYNCV_H_SYNC

656_

D7

PIN

83P

IN82

LCD_ON/OFF

RFIP

COVER_SWGND VGNDRFGND

VCC1.8DVCC3RF3.3V

DVB_CTRLDVD_CTRL

PLL3.3VAPC3.3VUSB_PLL3.3

APLLVCC3

GND

VPLLVCC1.8VCC3

/M_RESET

VFD_SCK

VFD_TXD

VFD_RXD

/A_JACK_IN

/V_JACK_IN

HP_SENSE

LCD_ON/OFF

LCD_SIZE

/A_MUTE

PWRCTL_LCD

AUDIO_CD_CON

/A_M

UT

E

DVD_CTRL

VRST

DVB_CTRL

DV

B_C

TR

L

M_REQ

VFD_TXDVFD_RXD

/A_JACK_IN/V_JACK_INHP_SENSE

MA3

DV

D_C

TR

L

VID

EO

_IO

_CO

N

IR_I

N

LCD_open

VFD_SCK

SP_AMP_EN

PWRCTL_LCD

LCD_SIZE VCC_3V3

VCC_3V3

VR

ST

AUDIO_CD_CON

M_REQ

VVCC3VCC_3V3VCC_3V3

IR_IN

6600_27MHZ_O

LCD_open

RESET_B

/SP_MUTE

TV_DAC3 8

TV_DAC0 8

I2C_CLK 4,6I2C_DATA 4,6

AU_BCK 6AU_LRCK 6

AU_XCK 6

AU_D0 6

SPDIF_OUT 6

TV_DAC5 8

TCO5

FCO5

SDRAM_CLK 4

USB_DM 8USB_DP 8

RESET_B4,9,10

SPDCO5

SCO5

M_CS0 4M_CAS 4M_RAS 4

M_CS0 4M_BA0 4

DQM0 4DQM1 4

MA[0..11] 4MD[0..15] 4

MWE 4

DVDLDO5CDLDO5MDI5

DMEA5

LDSW5

VREF25

VREF15

PUHRF5

FGIN5

ROE 4RWE 4R_CS1 4

RD[0..7] 4RA[0..20] 4

M_BA1 4M_CKE 4

DPDB5DPDC5DPDD5

DPDA5

E5F5

R_SUNIF_CLK 10R_SUNIF_FRAME 10R_SUNIF_GNT 10R_SUNIF_D0 10R_SUNIF_D1 10R_SUNIF_D2 10R_SUNIF_D3 10

6600_27MHZ_O10

DVCC3 2

VVCC3 2

VCC1.8 2

RF3.3V 2

USB_PLL3.3 2APC3.3V 2,5PLL3.3V 2APLLVCC3 2

GND 1,2,4,5,6,7,8,9,10,12

VPLLVCC1.8 2VCC3 1,2,4,8,9

/M_RESET 4,9,10

M_REQ 9

VFD_SCK 9

VFD_TXD 9

VFD_RXD 9

/V_JACK_IN 8

/A_JACK_IN 6

HP_SENSE 7

PWRCTL_LCD8

LCD_ON/OFF9

/A_MUTE 6

VIDEO_IO_CON8,9

SP_AMP_EN9

LCD_SIZE 9

/SP_MUTE 7

AUDIO_CD_CON9

DVD_CTRL 2

VRST 6

DVB_CTRL 2

LCD_open 8

VCC_3V3 1,2,4,8,9VCC_3V3 1,2,4,8,9

IR_IN 9

VCC1.8

RF3.3V

GND

GND

GND

RF3.3V

GND

GND

PLL

3.3V

GN

D

GN

D

VV

CC

3G

ND

DV

CC

3

VV

CC

3

VV

CC

3

DV

CC

3

VCC1.8

VCC1.8

DVCC3

VPLLVCC1.8

VC

C1.

8

US

B_P

LL3.

3

AP

LLV

CC

3

VC

C1.

8

VC

C1.

8

DVCC3

VCC1.8

RF3.3V

PLL

3.3V

RF

3.3V

RF

GN

D

DVCC3

GND

RF3.3V

RF

3.3V

GND

GND

GND

GND

RFGND

RFGND

RFGND

GND

DVCC3

GND

GN

D

GND

GND

GN

D

GND

GN

D

GN

D

GN

D

GN

D

GN

D

GND

GND

GND

GND

GND

GND

VVCC3

VVCC3

GND

GND

GND

GNDDVCC3

DV

CC

3

VCC3

GND

RF3.3V

RF

3.3V

VCC3

GND

GND

VCC3

VGND

VCC3

VCC_3V3

VCC3

VVCC3

GND

VCC_3V3

VCC_3V3

RFGNDGND GND VGND RFGNDGND

VCC3

GND

+C246

47uF/10V

R211 5.1K

C238820pF

R23

710

KR

226

33

L201

50

C2200.1uF

C2070.068uF

C2121uF

R213 15K

C228 10pF

C253

0.1uF

R203 open

R210 2.2K

C230 0.22uF

TP245

U201

SPCA8202D-256pin

4

1413

15

1716

18

2019

35

25

272829

24

32

212223

26

61

34

38

57

5556

5960

36

3940

1

43

31

33

1112

6

32

5

4142

44

58

37

30

789

10

626364

173172171170169168167166165164163162161160159158157156155154153152151150149148147146145144143142141140139138137136135134133132131130129

256

255

254

253

252

251

250

249

248

247

246

245

244

243

242

241

240

239

238

237

236

235

222

221

220

219

218

217

216

215

214

213

212

211

210

209

208

207

206

205

204

203

202

201

200

199

198

197

196

195

194

193

65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 97 98 99 100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

85 86

190189188187

174175176

45464748495051525354

87 88 89 90 91 92 93 94 95 96

177178179180181182183184185186

191192

223

224

225

226

227

228

229

230

231

232

233

234

DPDA

CDFCDA

CDE

APC_AVSSRF_AVSS

DVDLDO

DVDMDICDLDO

TEOLP

R33K

SVOTSTRFRPPHRFRPBH

V21

SBAD

CDMDIAPC_AVDDSRV_AVDD

V165

DMEA/GPIO

TEO

OPVOP

SPDC_OUT/GPIO

R_WE_BR_OE_B

SC1_OUT/GPIOTRAY_OUT/GPIO

OPVIP

SRV_AD_AVSSVRGD

RFIP

DA_FEO

SBADPH

FEO

DVDACDB

DPDC

RFSUMRFIS

DPDB

AD_DA_VDDDA_TEO

DA_VSS

SC_OUT/GPIO

OPVIN

RFRPMEAN

DPDDDVDDDVDCDVDB

FGIN/GPIOHOMESW/GPIOLDSW/GPIO

M_CS1_B/GPIOGPIO/M_D16/SUNIF_D3GPIO/M_D17/SUNIF_D2

VSS_O5/VSS_K5GPIO/M_D18/SUNIF_D1GPIO/M_D19/SUNIF_D0

GPIO/M_D20/SUNIF_CLKGPIO/M_D21/SUNIF_FRAME

GPIO/M_D22/SUNIF_GNTGPIO/M_D23

VDD_K4M_DQM2/GPIO/INT

M_DQM3/GPIOGPIO/M_D24GPIO/M_D25GPIO/M_D26GPIO/M_D27

VDD_O4GPIO/M_D28GPIO/M_D29GPIO/M_D30GPIO/M_D31

M_A3M_A2M_A1

VSS_O4/VSS_K4M_A0

M_A10M_BA1/GPIO

M_DQM0/GPIOM_DQM1/GPIO

M_A4VDD_K3

M_A5M_A6M_A7M_A8M_A9

M_CKE/GPIOVSS_O3/VSS_K3

M_CLKOVDD_O3

M_A11/GPIOM_D8M_D9

AG

CO

PA

GC

ON

FLT

INF

LTIP

RF

OR

FR

PA

GC

CA

PG

MR

ES

RF

_AV

DD

DS

_AV

DD

SLV

LC

NIN

RF

IP

LL_D

S_A

VS

SLG

INLP

FN

INF

DF

LTP

DF

LTV

RE

FO

LPF

NLP

FO

PLL

_AV

DD

VS

S_T

VA

2T

V_D

AC

5V

DD

_TV

A2

TV

_DA

C4

TV

_DA

C3

VS

S_T

VA

1V

DD

_TV

A1

TV

_DA

C2

TV

_DA

C1

VS

S_T

VA

0V

DD

_TV

A0

TV

_DA

C0

V_R

EF

OU

TV

_FS

AD

JV

_BIA

SV

_CO

MP

UA

0_T

X/G

PIO

UA

0_R

X/G

PIO

A_X

CK

/GP

IOA

_BC

K/G

PIO

VS

S_K

6/V

SS

_O6

A_L

RC

K/G

PIO

AU

D3/

GP

IOA

UD

2/G

PIO

AU

D1/

GP

IOV

DD

_O5

AU

D0/

GP

IOIE

CT

X/G

PIO

IEC

RX

/GP

IOA

UD

4/G

PIO

DF

CT

/GP

IOV

DD

_K1

GP

IO/T

RA

Y_I

S_I

NG

PIO

/TR

AY

_IS

_OU

TG

PIO

/ttio

0_4

VS

S_O

1/V

SS

_K1

GP

IO/tt

io1_

5G

PIO

/ttio

2_6

GP

IO/tt

io3_

7V

DD

_O1

GP

IOR

_CS

4_B

/GP

IOR

_CS

3_B

/GP

IOR

_CS

2_B

/GP

IOR

_CS

1_B

/GP

IOR

ST

_BIR

_IN

/GP

IOV

FD

_CLK

/GP

IOV

FD

_ST

B/G

PIO

VF

D_D

AT

A/G

PIO

CLK

INC

LKO

UT

US

B_G

ND

US

B_V

DD

US

B_D

PU

SB

_DM

VS

S_P

LLA

VD

D_P

LLA

VS

S_P

LLV

VD

D_P

LLV

M_D

7M

_D6

M_D

5M

_D4

M_D

3V

DD

_O2

M_D

2M

_D1

M_D

0M

_WE

_BM

_CA

S_B

M_R

AS

_BV

SS

_O2

M_C

S0_

B/G

PIO

M_B

A0

M_D

15M

_D14

M_D

13V

DD

_K2

M_D

12M

_D11

M_D

10

R_A

0R

_A19

GPIOGPIOGPIOGPIO

M_A12/GPIOR_A10

R_A9

E_VDD_O0R_D7R_D6R_D5R_D4R_D3R_D2R_D1E_VSSR_D0

R_A

18R

_A17

R_A

16E

_VD

D_K

0R

_A15

R_A

14R

_A13

R_A

12R

_A11

E_V

DD

_O1

E_VDD_O2R_A8R_A7R_A6R_A5

E_VDD_K1R_A4R_A3R_A2R_A1

VDD_ADAVSS_ADA

NC

E_V

SS

R_A

20/6

56_D

7E

_MX

31/6

56_D

6E

_MX

32/6

56_D

5E

_MX

33/6

56_D

4E

_MX

34/6

56_D

3E

_MX

35/6

56_D

2E

_MX

36/6

56_C

LKE

_MX

37/6

56_D

1E

_MX

38/6

56_D

0E

_VD

D_O

3

TP5A8

C210 NC

R23

833

R230 5.1K

D211

OPEN

R218 10K

TP201

R205 0

C2330.047uF

Q211OPEN

1

32

C250

0.1uF

R23

510

K

C241 0.1uF

R224

4.7K

R234 10K

C211

0.1uF

RN20233(8P4R)

4321 8

765

C2391000pF

R227

OPEN

C208 47pF

C236330pF

C224 0.1uF

C205

0.1uF

R214 4.7K

R232 20K

R208 110K

RN203

33(8P4R)

4321 8

765

R207 NC

R209 20K

C249 0.01uF

R247

OPEN

R201 1.5K

R243 open

R206 33K(1%)

C254820pF

R225 NC

R216 0

R233 0

C217 0.1uF

C242 0.1uF

R231 360

R22

8

10K

TP202

R2044.7K

C203

0.1uF

R212 10K

C2181uF

R219

4.7K

J201

HEADER 4X1

4321

C2320.01uF

C223 NC

C221680pF

SW201

3 4

2 1

C209 47pF

RN201

4.7k(8P4R)

4321 8

765

C243

33pF

R217 10K

C251

0.1uF

R202 open

C252

0.1uF

C234300pF

R239 33

C206 680pF

C201

0.1uF

C226680pF

+C265

OPEN

C227680pF

R222 10K

C244

0.1uF

R246 OPEN

C202

0.1uF

C2140.01uF

R229

1.2K

(1%

)

R23

633

C2161uF

SW202

3 4

2 1

C21

30.

1uF

C204

0.1uF

C2290.1uF

+ C247

47uF/10V

C2151uF

R245

OPEN

R244 33

R221 NC

C222 0.1uF

Y201

27MHz

C235

100pF

C219100pF

R2154.7K

C245

33pF

C225680pF

R2234.7K

TP244

C266

OPEN

C240

0.1uF

C2310.01uF

C2370.1uF

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 35: Lg Dp181 Bp t Portable Dvd

3-31 3-32

4. SDRAM & FLASH & EEPROM CIRCUIT DIAGRAM

54-Pin TSOPII(400mil x 875mil)EliteMT M12L 64164A

I2C ADDR = 0XA0

SDRAM & FLASH & EEPROMSunday, July 16, 2006

VCC3

RD1

RD7

ROE

RD2

RD0

FLASH_POWER

RD3

RWE

RD6

RA0

RD4RD5

R_CS1

RA17

RA19

RA9

RA13RA14

RA4

RA16

RA2RA1

RA5

RA11

RA15

RA6

RA12

RA3

RA10

RA8RA7

RA18

MD0

MD12MD13

MD9

MD5MD6

MD1

MD4

MD11

MD2

MD15MD14

MD10

MD3

MD7MD8

RA20

VCC3SD_VCC3GND

D13

D11

MA1

D4

DQM1

MA0

D6

M_CKE

MWE

MA2

M_CAS

MA3

D10

D8

D2

M_BA1M_BA0

D9

D7

D0

MA4

D15

MA5

MA7

M_CS0

MA8

D12DQM0

MA6

M_RAS

MA10

D1

D14

MA11

D5

D3

MA9

RAM_CLK

RESET_B3,9,10

I2C_CLK 3,6I2C_DATA 3,6

R_CS13

SDRAM_CLK3

MA[0..11]3

RA[0..20]3

RD[0..7]3

ROE3

RWE3

MD[0..15]3

GND 1,2,3,5,6,7,8,9,10,12

VCC3 1,2,3,8,9SD_VCC3 2

M_CS03

M_BA13

M_CKE3

DQM03

M_CAS3

DQM13

M_RAS3

M_BA03

MWE3

FLASH_POWER

GND

GNDGND

GND

GND

GND

SD_VCC3VCC3

GND

VCC3

GND

FLASH_POWER

GND

GND

SD_VCC3

RN205

33(8P4R)

4321 8

765

L202

50

C255

10pF

U203

MX29LV800/MX29LV160TSOP-48

29253124332335223821402042194418308327346365394413432451

4817

2628

12

47

16

37

2746

11

15

9 101314

DQ0A0DQ1A1DQ2A2DQ3A3DQ4A4DQ5A5DQ6A6DQ7A7DQ8A8DQ9A9

DQ10A10DQ11A11DQ12A12DQ13A13DQ14A14

DQ15/A-1A15A16A17

CEOE

RST

BYTE

A18

VCC

GNDGND

WE

RY/BY

A19 NCNCNC

C263

0.1uF

RN206

33(8P4R)

4321 8

765

R240

10K

R242

10K

RN207

33(8P4R)

4321 8

765

C2610.1uF

U202

SDRAM 1Mx16x4-7

23242526293031323334

1718

15

16

19

3738

39

24578101113424445474850515336

201

27

2841

22

40

394349

6124652

35

2154

14

A0A1A2A3A4A5A6A7A8A9

CASRAS

LDQM

WE

CS

CKECLK

UDQM

D0D1D2D3D4D5D6D7D8D9

D10D11D12D13D14D15NC

BA0VDD

VDD

VSSVSS

A10/AP

NC/RFU

VDDqVDDqVDDqVDDq

VSSqVSSqVSSqVSSq

A11

BA1VSS

VDD

C256

0.1uF

C2620.1uF

C2590.1uF

C257

0.1uF C2600.1uF

U204

24C02

1234 5

678A0

A1A2GND SDA

SCLWP

VCC

+ C258

10uF/16V

R289 10K

RN204

33(8P4R)

4321 8

765

R241 33

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 36: Lg Dp181 Bp t Portable Dvd

3-33 3-34

5. RF & MOTOR DRIVER CIRCUIT DIAGRAM

C

C

2SB1132

321 EB

TopRay

SPINDLE

RF & MOTOR DRIVERSunday, July 16, 2006

DVDLDO

CDLDO

DVDLD

CDLD

FOC-

DVDVRMDI

RAD-FOC+

RAD+

CDVR

VREF1

CDLD

DVDLD

LDSW

DPDADPDBDPDCDPDDLDSWDVDLDOCDLDOVREF1PUHRFMDI

PUHRF

F

DPDBDPDC

E

DPDA

DPDD

PWRA

FE

VREF2

FCO

SPDCO

SCO

DMEA

FGIN

TCO

H+

H3-

SA3

H1-

H-

H3+

H1+

H2+H2-

SA2SA1

SLED+SLED-

PWRA

DVDVR

CDVR

AA

VREF2

FOC-

TCO

FCO

SCOSLED-

FOC+

SLED+

RAD+

RAD-

DMEA

EC

ECR

RNF

FGINCNF

SPDCO

SA1

H2+

H-

SA2

H2-

H3+

H3-

MREF

DMEA

VREF2

SA3

APC3.3V

H1+

H1-

A+5V

GND

GND

M+5V

M+5V

CDLDO 3

DVDLDO 3

DPDB 3DPDC 3DPDD 3

DPDA 3

LDSW 3DVDLDO 3CDLDO 3VREF1 3PUHRF 3MDI 3

F 3E 3

VREF2 3

SPDCO 3

SCO 3

TCO 3

FCO 3

DMEA 3

FGIN 3

M+5V

APC3.3V 2,3

A+5V 2

GND 1,2,3,4,6,7,8,9,10,12

GND

GND

APC3.3V

APC3.3V

GND

GND

GND

GND

GND

A+5V

GNDGND

GND

GND

GND

GND

A+5V

M+5V

MGND

MGND

MGND

M+5V

MGND

M+5V

MGND

MGND

MGND

M+5V

MGND

MGND

MGND

MGND

M+5V

MGND

C304 0.1uF

C303 0.1uF

R315 0

C319

0.1uF

R328 100K

R332 0

R300 0

10K Driver

X2

20K

7.5K7.5K

+-

-+

10K

X2

20K

7.5K7.5K

+-

-+

+-

10K

25K

+-

Driver

Driver

10K

15K

+-

DriverBIAS

BIAS

BIAS

BA5954FP

U301BA5954FP / AT5954HSOP28

17

18

12

11

16

20

7

15

23

8

10 19 22

28

14

13

5

4

25

27

26

3

2

1

24

921

6

29 30

VOLD+

VOLD-

VOSL+

VOSL-

VOTK-

VNFTK

VNFFC

VOTK+

VINLD

Vcc

PG

ND

PG

ND

2

Pre

GN

D STBY

VOFC+

VOFC-

VINSL-

VINSL+

CTKerr1

BIAS

VINTK

CFCerr2

CFCerr1

VINFC

CTKerr2

PVcc1PVcc2

VOSL

GN

D1

GN

D2

Q3022SK3018

1

23

R309

10

R3251

R320 0 R310 0

2200pFC313

R306

4.7

R317 0

R301

470

C320 0.1uF

R322

NC

1R313

1R312

R319 10K

C301

0.1uF

R3241

R304 0

C306 0.1uF

L301 10uH

R331

470

R308100

22KR318

R3230

C302

0.1uF

DRIVER

GAINCONTROL

HALL BIAS

Short Brake

Start/Stop

Rotation Detect

FG signal(H3)

TLTSD

BA6849FP

Brake Mode

U302BA6849FPHSOP28

27

25

24

23

22

21

20

18

17

15

28247

9

10

11

12

13

14

8

19

16

26

29 30

VM

VCC

FG

ST/-SP

EC

ECR

FR

SB

CNF

VH

RNFA3A2A1

H1+

H1-

H2+

H2-

H3+

H3-

GN

D

FG2

BR

26

GN

DG

ND

J301

ELCO-CON24(Bottom)

2625

1716151413121110987654321

18192021222324

22KR316

R329 0

C311

0.1uF

C3101000pF

R307 100

C323

0.1uF

C322

0.1uF

Q3032N3904

1

32

R330 100K

R3261

D301

IN4148

+ C316

47uF/10V

C300 0.1uF

R311

NC

J302

FPC CON13-1mm(top contact)

123456789

10111213

12345678910111213

C318

0.1uF

C307

0.1uF

D302

IN4148

C324

0.1uF

R327 10K

330pFC312

R303 0

C315 0.047uF

L302 10uH

R321 10K

C3081000pF

R305

4.7

1R314

C321 0.1uF

Q3012SK3018

1

23

C3091000pF

+ C317

47uF/10V

1R302

330pFC314

Q304

2SB1132

C305 0.1uF

Q3052SB1132

1

32

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 37: Lg Dp181 Bp t Portable Dvd

3-35 3-36

6. AUDIO CIRCUIT DIAGRAM

AUDIOSunday, July 16, 2006

A3.3

AUDIO_5V

ABCK

VRST

ASPDIF

AUDIO_5V

SCL

SCL

SDA

/A_MUTE

GND

ALRCK

ASDAT0

GND

SDA

A-5V

ACLK

A3.3

ABCKALRCKASDAT0

AU_BCKACLK

AU_D0AU_LRCK

AU_XCK

I2C_DATA3,4

I2C_CLK3,4

MUTE_R-7

MUTE_L-7

MUTE_R+7

A_MUX_OUT_R 7

GND 1,2,3,4,5,7,8,9,10,12

A_VIDEO_IO_CON 9

MUTE_L+7

VRST3

E+5V 1,8,9,12

A3.32,8

A_MUX_OUT_L 7

SPDIF_OUT3

/A_JACK_IN3

AUDIO_5V1,2,7,8,9,10

/A_MUTE3

A_AUDIO_CD_CON 9

A-5V1

AU_LRCK3AU_D03

AU_XCK3AU_BCK3

GND 1,2,3,4,5,7,8,9,10,12

AUDIO_5V

A-5V

AUDIO_5V

A-5V

E+5V

A3.3

AUDIO_5V

R44410K

R4020

Q415KRA103S

1

23

TP417

C4060.1U

C44010uF/16V

R416220

Q404OPEN

32

1

CE40310U/10V

D401

IN4148

C41

439

2

R43

5O

PE

N

C43810uF/16V

TP405

R438220

Q4122N3904

32

1

CE40410U/10V

R43

6O

PE

N

R4057.5K

Q408KRA103S

1

23

U40

3N

JU40

52B

V

1 2 3 4 5 6 7 8910111213141516

Y0

Y2 Y Y3

Y1

INH

IBIT

VE

EV

SS

BAX3

X0

XX1

X2

VD

D

TP418

Q4022N3904

32

1

TP419

R4071.8K

R44

98.

2K

Q411OPEN

32

1

R428220

TP410

R43

910

0K

TP402

R437220

TP401

TP412

C43

010

uF/1

6V

C424470P

L406

10UH

C425470P

C4270.1U

C43610uF/16V

R433330

R4047.5K

B403 300

C42327P

C4201000P

U40

2N

JM45

80M

R419220

TP416

R4411K

C42

11U

R44512K

R40151

TP404

R409

1.8K

B401 0

Q406KRA103S

1

23

R4408.2K

R4087.5K

C43710uF/16V

R414100

C411270P

C41

00.

1U

C4190.1U

L404

10U

H

TP413

C4160.1U

C43910uF/16V

TP408

R41

5

4.7K

R42

910

K

RN401

33

7

53

12

46

8

TP403

C44110uF/16V

L40810UH

C4150.1U

C41

239

2

R413100

R4171K

Q410OPEN

32

1

TP420

TP421

C4031000P

TP409

R40

34.

7K

C43422uF/16V

Drive IC

LED

CON401

GP1FD310TP

543

68

7

21

R4434.7K

R43

010

K

C40

70.

1U

CE

401

10uF

/16V

R45

08.

2K

CE

402

10uF

/16V

L40910UH

R42

110

0K

B402 0

R427220

R426560

C4020.1U

C404270P

D402

IN4148

C40

80.

1U

R4181K

C41

7

0.1U

R425100K

C422

270P

R424560

C42810uF/16V

R4111.8K

C46

610

uF/1

6V

Q4072N3904

32

1

L40110UH

TP411

Q414KRA103S

1

23

R4320

Q4132N3904

32

1

R4424.7K

R44

81K

R4310

TP415

C4260.1U

GT401

R42

010

0K

Q416OPEN

32

1

R4220

R434330

C4010.01U

L40210UH

U401CS4391

123456789

10 11121314151617181920RESET

VLSDATA/DSDSCLK/DSDBLRCK/DSDMODEMCLKM3/DSDCLKM2M1M0 FLT+

CMOUTB_MUTE

AOUT_B-AOUT_B+

AGNDVA

AOUT_A+AOUT_A-A_MUTE

C41

30.

1U

C40

91U

L40310UH

R44612K

C43522uF/16V

C405270P

C43222uF/16V

C42

910

uF/1

6V

Q401KRA103S

1

2 3

Q4032N3904

32

1

GT404

R4230

Q4052N3906

3 2

1

R4107.5K

TP406

TP422

R4128.2K

L40710UH

R4061.8K

TP407

Q4092N3904

32

1

C43322uF/16V

U40

4

NJM

4580

M

L40510UH

TP414

R44

71K

C41

80.

1U

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 38: Lg Dp181 Bp t Portable Dvd

3-37 3-38

7. TPA0102 CIRCUIT DIAGRAM

HSJ1493-01-010

HSJ1493-01-010

TPA0102Sunday, July 16, 2006

SP_R+

SP_L+

AUDIO_5VA5V

MR_OUT

SPL+

SPL-GND

SPR-

ML_OUT

A5V

MR_OUT

AUDIO_5V

GND

ML_OUT

A_MUX_OUT_LA_MUX_OUT_R

VOL_CTRL

MUTE_L- 6

HP_SENSE3

MUTE_R+ 6

MUTE_L+ 6

A_MUX_OUT_R6

SP_L- 8

SP_R+ 8

A_MUX_OUT_L6

AUDIO_5V 1,2,6,8,9,10

SP_L+ 8

/SP_MUTE 3

A_SP_AMP_EN9

MUTE_R- 6

SP_R- 8

GND 1,2,3,4,5,6,8,9,10,12

A5V

A5V

Q417open

1

32

+C451

2.2uF

R456 1K

R463

10k

+

C46547uF/10V

R4520

R485

18K

C44

4

0.1U

B4040

GT408

C4561000P

R45310k

C44

2

0.1U

R455 1K+ C464

10uF/16V

B4070

TP425

R464open

R462 6.8K

R466 0

GT410

R4710

R459 8.2K

J403HP JACK

1

3

2

45

6

+C449 1uF

L412

50

R47315K

R4771K

R4724.7K

+

C46347uF/10V

+C46

7

open

R460 4.7K

B409300

C44

3

0.1U

L411 50

B408

300

TP427

TP431

GT406

R454 10K

R465 8.2K

Q418

2N39041

32

GT411

R457OPEN

R4690

TP430

C4482.2uFR480 NC

GT409

+C450 1uF

C462 100uF/10V

C460 100uF/10V

R458 100K

R4754.7K

TP429

B4050

C4461uF

J402HP JACK

1

3

2

45

6

R4700

CE

406

100U

/10V

+ C4451uF

TP426

R468OPEN

TP428

R4741K

R4761K

U406

TPA6011

1

2

3

4

5

6

7

8

9

10

11

12 13

14

15

16

17

18

19

20

21

22

23

24PGND

ROUT-

PVDD

RHPIN

RLINEIN

RIN

VDD

LIN

LLINEIN

LHPIN

PVDD

LOUT- PGND

LOUT+

SHUTDOWN

FADE

BYPASS

AGND

SEMAX

SEDIFF

VOLUME

HP/LINE

SE/BTL

ROUT+

C455

1000P

C4521uF

+ C4541uF

C457

1000P

B4060

R461 4.7K

CON404

VOL2

1

2

34567

1

2

34567

R467 1k

C4581000P

R47915K

C459100uF/10V

R478

1K

C461

100uF/10V

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 39: Lg Dp181 Bp t Portable Dvd

3-39 3-40

8. VIDEO PORT CIRCUIT DIAGRAM

0=in,1=out13 14

TFT Cover LimitSwitch

VIDEO PORTSunday, July 16, 2006

TV_DAC0

TFT/SY

TV_DAC5

CVBS

VCC

TV_DAC3

VIDEO_IO_CON

VIDEO_IO_CON

AUDIO_5V

AUDIO_5V

VCC_3V3

DVD_CVBS

GND

/V_JACK_IN

AUDIO_5V

CVBS_IN

VIDEO_INCVBS_IN

BAT_OUT

LCD_3V3

BAT_OUT

PWRCTL_LCD

SPL-

MCU_SCL

LCD_5V

VCC

SPR-

SPL+

LCD_RST

MCU_SDA

SPR+

SY

SPR+

MCU_SDA

SC

LCD_3V3

LCD_RST

SPL+

LCD_3V3

SPL-

VIDEO_IN

SPR-

MCU_SCL

GND

TFT/SC

SY

SCTFT/SC

TFT/SY

A3.3

GND

A3.3

/V_JACK_IN

PWRCTL_LCD

VCC3

TV_DAC03

TV_DAC33

TV_DAC53

USB_DM 3USB_DP 3

VIDEO_IO_CON 3,9

AUDIO_5V 1,2,6,7,9,10

VCC_3V3 1,2,3,4,9

GND 1,2,3,4,5,6,7,9,10,12

MCU_SCL 9

MCU_SDA 9

SP_R+ 7

LCD_5V 1

LCD_RST 9

BAT_OUT 1,12

VCC 2

SP_L+ 7

LCD_3V3 1

SP_R- 7

SP_L- 7

PWRCTL_LCD 3

KEY_M 9

WAKEUP 9KEY_P 9

NAVIGATION 9E+5V 1,6,9,12

LCD_open 3

A3.3 2,6

/V_JACK_IN 3

VGND

VGND VGND

VGND

VGNDVGND

VGNDVGND

VGND

GND GND GND

GND

GND

GND

TP520

C520 ESD(15pF)

C508104

TP519

C502

22pF

L510

0 TP507

C518

ESD(15pF)

C522

22pF

C506

22pF

C513

22pF

TP524

C504100pF

R521 0

R505

75 (1%)

R513

4.7K

C505100pF

TP502

R507

75 (1%)

F1 C6 S075

TP503

J502

CON14

1234567

R504 0

L511

0

R506 0

D501

open2

13

TP513

C503 10pF

+CE50410uF/16V

L505 0

L506 0

TP523

J505 VIDEO IN/OUT

2

34

1

56

L503 1.8uH

C514 10pF

J501

CON3

123

L508 1.8uH

C507100pF

TP515

R50315K

1:GND2:D+

3:D-4:VCC 4

2

3

1

J503USB TYPEA

321

4

56

TP525

+CE501

10uF/25V

TP522

TP512

J504

CON20

1234567891011121314151617181920

R50215K

CE50347uF/10V

TP510

C509104

TP506

C515100pF

L502

0

TP504

R508 22

TP508

C521ESD(15pF)

TP516

C512100pF

R501

75

TP517

R509 22

TP501

C517

0.1uF

+ CE502

100uF/25V

C501 10pF

R514

10

Q502

C510

NC

TP511

C519

0.1uF

L501 1uH

TP505

C511

NC

L507FB/1206

C516100pF

R288

10K

U501

FSAV330

14

25

11

36

1013

1

8

15

47912

16

4B1

1B12B13B1

1B22B23B24B2

S GN

D OE

1A2A3A4A

VC

C

R512

100

TP509

L504 0

R515

4.7K

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 40: Lg Dp181 Bp t Portable Dvd

3-41 3-42

9. MCU CIRCUIT DIAGRAM

Signal Power Up (3.3V=>5V)

REMOCON FORMATDATA MODE

HW RESET

RESET PART

PALNTSC

IR_IN

M_REQ

AVFD_TXD VFD_TXDVFD_SCKAVFD_SCK

RE

D

MCU_SCL

VCC_MCU

LCD_SDA

LCD_SCL

GREEN

RED

GR

EE

N

/AVFD_CS

HOLD

/REST

AVFD_SCK

AVFD_TXD

VFD_RXD

RXD

TXD

IR

KE

Y_M

KE

Y_P

BA

T_S

EN

SE

DC

_SE

NS

E

CH

AR

GE

NA

VIG

AT

ION

LCD

_SD

A

LCD

_SC

L

LCD

_RS

T

A_VIDEO_IO_CON

LCD_SIZE

LCD

_ON

/OF

F

VFD_RXD

/AVFD_CS

RXDTXDGND

MCU_SDA

IR

/REST

CHARGE_ENABLEE+5V

E+5V

TH

ER

MIS

TE

R

KEY_M 8

THERMISTER12

WAKEUP8

BAT_SENSE 1

DC_SENSE 1

CHARGE 12

NAVIGATION 8

A_SP_AMP_EN7

VFD_SCK 3M_REQ 3

A_AUDIO_CD_CON6 AUDIO_CD_CON3A_VIDEO_IO_CON6

VFD_TXD 3

SP_AMP_EN3

VIDEO_IO_CON3,8

STANDBY1,2

MCU_SDA 8

MCU_SCL 8

LCD_RST 8

LCD_SIZE 3

LCD_ON/OFF3

/M_RESET,4,10

KEY_P 8

VFD_RXD 3

AUDIO_5V 1,2,6,7,8,10

E+5V 1,6,8,12

VCC_3V3 1,2,3,4,8

9V_IN 1,12

IR_IN 3

GND 1,2,3,4,5,6,7,8,10,12

E+5V

E+5V

9V_IN

AUDIO_5V

E+5VE+5V E+5V

E+5V

E+5V

E+5V

E+5V

VCC_3V3

E+5V

E+5V E+5V

E+5V

Q6042N3904

32

1

R63510K

R61

610

K

TP619

R6030

U601

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

3435363738394041424344

RB1

RB2

RB3

RB4

AD4

RB6

RB7

RE6

RE5

RE4

RE3

RE

2

RE

1

RE

0

RC

0

RC

1

VD

D1

TX

SC

K

SIN

SO

UT

IC0(

VP

P)

RD0

RD1

25

X2

X1

VSS0

VDD0

P25

XIN

XOUT

/REST

VS

S

P03

AN

1

AN

2

AN

3

AN

4

AN

5

AN

6

AN

7

VD

D

AN

0

Q602

2N3904

3 2

1

C60

422

p

J601

HEADER 4X1

4321

C6210.1U

TP602

R6020

TP601

R64

210

K

TP613

C610

0.1uF

10K

R621220

C611

100p

R614

OPEN

R61

510

K

TP622

TP618

R625330

R62

222

0

R63

022

0TP614

TP612

R6344.7K D603

OPEN

2

13

D605GREEN LED

C6260.1U

L601 10UH

R619

4.7K

Q6052N3906

32

1

R64510K

R61

0 0

U604

24C016A

1234

5

67 8

A0A1A2

VSSSDA

SCLWP VCCR623

220

D606RED LED

C632

0.1U

TP616

R628220

C612

100p

R61

810

K

C60910U/10V

RC601TSOP6238

21 3

GN

D

OU

T

VD

D

R64610K

U603

74VHCT541

23456789

119

1817161514131211

20

A1A2A3A4A5A6A7A8

G1G2

Y1Y2Y3Y4Y5Y6Y7Y8

VCC

R6240

R61

710

K

Q6032N3904

32

1 D601

open

C602

0.1U

U60

2aa

t352

2

21

3

R638

100

R62

02

20

TP615

R60

9op

en

R604 56K

R632OPEN

R63

122

0

R633

OPEN

R64

9 0 R63610K

12

R626

4.7K

C607open

Q601

2N3906

32

1

R64

810

0K

R63710K

12

R639

100

R611

100K

R612

OPENR641 100

C62

50.

1U

C601

0.1U

R6056.8K

L602

10

uH

X601

5MHz

L603

10UH

R613

100K

R627 OPENC60

522

p

R629220

C60810U/16V

TP617

C1

0.1U

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 41: Lg Dp181 Bp t Portable Dvd

3-43 3-44

10. CHARGING CIRCUIT DIAGRAM

GND

GNDGND

CHARGE

P+

VCC

TEST2

PWM

SAM_U

SAM_T

P-

TEST1

SAM_U

THERMISTER

PORTE0

THERMISTER

ce

PWM

SAM_I

TEST2VREF

VREF

DC+9.5V

SAM_I

BAT_IN

SAM_T

TEST1

CHAGER

CHARGE_ENABLE

P+A

P-

P+

VCC

VCC

DC+9.8VVREF

DCPWR

VCC

P+

9L7 1206-100

R92310K

Q9059013

R9201K

R924

150K(1%)

R906

NC

Q904

2N3906

R936FB/330

R92210K

R913 10K

R905

51K(1%)

C914104

U902

Si4435

1234 5

6781

234 5

678

R9321K

R9113.6K

TJ901

4 HEADER

1234

TP703

TP701

TEST1

1

C905

104

R901100K

R927 10

R92

90.

15

C908

100U/25V

D901

IN5822

U901

KA431 ±0.5%

R9141k

C904

104

R90310k

9L6 1206-100

R90210K

C91

50.

047U

R915

10K

Q901SI4435DY

12345

678

C916

104

R93

00.

15

C910

104

C9010.1U

9L5 1206-100

R9071K

Q9022N3904

R9123.6K

R925

C913104

9L4 1206-100

R910 2k

R934

1K

R93310K

C906104

R919

10K

C907104

R92

80.

15

R9358.2K

R917 1k

Q9062N3904

Q9032N3904

C912

47U/25V

C90247U/25V

C911104

R91851K

D902IN5822

TP702

U903 GT6312(CLV2.0)

3

910

4

11

14

12

21

13

155

876

1617181920

PORTD.2

PORTA.0/AN0PORTA.1/AN1

PORTD.3/PWM1

PORTB.2/AN6

OSC1

PORTB.3/AN7

PORTE.3PORTE.2

VDD

PORTC.0/OSCOPORTC.3/PWM0

GND/RESETPORTC.3/T0

PORTC.1VREFPORTD.0PORTD.1PORTE.0PORTE.1

R904 51

R921FB/330

D903IN4148

C903

104

R926

10K

R9161k

L901 33UH

R9083.6K

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 42: Lg Dp181 Bp t Portable Dvd

3-45 3-46

11. INVERTER 2995C CIRCUIT DIAGRAM

ON/OFF

ON

/OF

F

C5104

R6

5.1K

L122uH

C310uF/16V

R8NC

R3 10K

L2

22uHC7105

R715R 1%

R5NC

Q12N3904

1

23

D1SS14

1 2

U1 AP16245

1

42

3

EXT

FBGN

DVCC

CE

R15.1K

C9103

J1

CON3-1.25

123

J2

CON2-1.25

12

C14.7uF X5R 16V

D3

1SS355

12

D4

5V6

12

D2

13V

12

C8

103

F1

C410uF/16V

R210R

Q2STS34021

23

+

C210uF/20V C6

223

R4

1K

A

1

2

3

4

5

6

7

8

9

10

11

12

B C D E F G H I J K L M N O P Q R S T

Page 43: Lg Dp181 Bp t Portable Dvd

3-47 3-48

MAIN PRINTED CIRCUIT DIAGRAMS1. MAIN P.C. BOARD (TOP VIEW)

Page 44: Lg Dp181 Bp t Portable Dvd

3-49 3-50

2. MAIN P.C. BOARD (BOTTOM VIEW)

Page 45: Lg Dp181 Bp t Portable Dvd

3. USB P.C. BOARD

3-51 3-52

(TOP VIEW) (BOTTOM VIEW)

Page 46: Lg Dp181 Bp t Portable Dvd

3-53 3-54

4. INVERTER P.C. BOARD(TOP VIEW) (BOTTOM VIEW)

Page 47: Lg Dp181 Bp t Portable Dvd

3-55 3-56

5. KEY P.C. BOARD(TOP VIEW) (BOTTOM VIEW)