47
GSM TELEPHONE SGH-C120 GSM TELEPHONE CONTENTS 1. Specification 2. Flow Chart of Troubleshooting 3. Exploded Views and Parts List 4. Electrical Parts List 5. PCB Diagrams 6. Block Diagrams

Samsung SGH-C120 service manual - narod.ru

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Page 1: Samsung SGH-C120 service manual - narod.ru

GSM TELEPHONESGH-C120

GSM TELEPHONE CONTENTS

1. Specification

2. Flow Chart of Troubleshooting

3. Exploded Views and Parts List

4. Electrical Parts List

5. PCB Diagrams

6. Block Diagrams

Page 2: Samsung SGH-C120 service manual - narod.ru

Samsung Electronics Co.,Ltd.

Code No.: GH68-08501A2005. 11. Rev.1.0

ⓒThis Service Manual is a property of Samsung Electronics Co.,Ltd.Any unauthorized use of Manual can be punished under applicableInternational and/or domestic law.

Page 3: Samsung SGH-C120 service manual - narod.ru

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1. SGH-C120 Specification

1-1

This Document can not be used without Samsung's authorization

1-1. GSM General Specification

GSM900Phase 1

EGSM 900Phase 2

DCS1800Phase 1

Freq. Band[MHz]Uplink/Downlink

890~915935~960

880~915925~960

1710~17851805~1880

ARFCN range 1~1240~124 &975~1023

512~885

Tx/Rx spacing 45MHz 45MHz 95MHz

Mod. Bit rate/Bit Period

270.833kbps3.692us

270.833kbps3.692us

270.833kbps3.692us

Time SlotPeriod/Frame

Period

576.9us4.615ms

576.9us4.615ms

576.9us4.615ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK

MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm

Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl

Sensitivity -102dBm -102dBm -100dBm

TDMA Mux 8 8 8

Cell Radius 35Km 35Km 2Km

Page 4: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Specification

1-2

This Document can not be used without Samsung's authorization

1-2. GSM TX power class

TX Power

control levelGSM900

5 33±2 dBm

6 31±2 dBm

7 29±2 dBm

8 27±2 dBm

9 25±2 dBm

10 23±2 dBm

11 21±2 dBm

12 19±2 dBm

13 17±2 dBm

14 15±2 dBm

15 13±2 dBm

16 11±3 dBm

17 9±3dBm

18 7±3 dBm

19 5±3 dBm

TX Power

control levelDCS1800

0 30±3 dBm

1 28±3 dBm

2 26±3 dBm

3 24±3 dBm

4 22±3 dBm

5 20±3 dBm

6 18±3 dBm

7 16±3 dBm

8 14±3 dBm

9 12±4 dBm

10 10±4 dBm

11 8±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

Page 5: Samsung SGH-C120 service manual - narod.ru

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2. SGH-C120 Flow Chart of Troubleshooting

2-1

This Document can not be used without Samsung's authorization

2-1.Baseband2-1-1. Power ON

'Power On' does not work

Voltage >=3.3V

Download again

Charge the Battery

Pin#J12 >= 2.8V Check U300 and C315

Pin#A13 andpin#A14 =2.8V Check U300 and C316

Freq = 13MHzVrms >=300mVVpp≒ 900mV

Check the clock generation circuit(related to OSC100)

Check the initial operation

END

No

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No

pin#G11 =1.8V

No

Yes

Check the current consumption

Check the Vbat Voltage

Check the pin of U300

Check the clock signal at pin#8 of U100

Current consumption>= 100mA

Page 6: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-2

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Page 7: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-3

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VC

CB

_2.9V

R302

C316

VC

CA_2.9V

R303

NE

G

PO

S

C325

BAT300

TR300

C313

R311

C317

VBA

TVC

CD

_2.9V

R307

VR

F_2.9V

C311

C306

VCC

A_2.9V

C304

C302

C301

C312

C315

R300

C324

VRF_2.9V

C308

C300

R301

VRTC

_2.9V

VR

TC_2.9V

C322

SIM

300

VCC

_1.8A

C305

C318

C309

R304

QANEOX1D

C307

C12

VRE

FA10

NGERV41RPGERV31M

VRTC

H11

VSIM

K12

5G1SSV4K2SSV

3SSV 2R4SSV 6P

MCVXV31R

VL4S_A

A12VL4S

_BB11

VL5S_A

D10

C9

VL5S_B

VLDO

_1G

11VLD

O_2

J12A13

VLDO

_3VLD

O_4

B12

VLDO

_5B10

VLDO

_6A14

VLDO

_7

3DDV 6N

VDD

34C

11

5DDV 01C76DDV 31B

BDDV 6A

DDDV 11N

VDDV 11L

1OI_DDV 5N4J2OI_DDV

4CLTCO_DDVV

EXT

E14

SIM_R

ST

K11

PXT7E

UP

_CLK

N9

UP_IO

P10U

P_R

STR

10

VAC

CF14

VBAT

E13

1DDV 3J

VDD

12J13

2DDV 3M

NQXTXR6CPQXTXR7C

SC

LK_PSC

L8M7

SDI_PS

CS

DO

_PSC

N7

SER

CK

C2

SER

DA

C1

B1SE

RLE

1SE

RLE

2A2

SIM_C

LKK14

SIM_IO

J11

1FERAR6B2FERAR5B

R3

RE

SETN

_CS

P

O_TESER9K

RTC

_ALMN

H10

KLC_CTR4N

RW

NL2

NIXTXR6DPIXTXR7D

C5

OC

TL1O

CTL2

F5

OC

TL4A4G

6O

CTL5

OC

TL6B3A3

OC

TL7

FUB_1WSP7L

PEEK_RWP9M

N1WS_RWP51C2WS_RWP41C

NTUOCIM51PPTUOCIM51N

15CN6CN 2

7CN5P

11F

LTCO_DNG 4B

1CSP_DNG 51B2CSP_DNG 51K

QRTNI01L

L3I|O

LED1_D

RV

G13

LED2_D

RV

G12

6R CM

NNICIM41MPNICIM41N

71SDNG 01K

2SDNG 8F3SDNG 9F4SDNG 01F5SDNG 7G6SDNG 8G7SDNG 9G

01G8SDNG9SDNG 6H

VDNG 31P

RUCH_DNG

6FBDNG

DDNG 01M

QDNG 8E

7F1SDNG

01SDNG 7H11SDNG 8H

9H21SDNG

7J31SDNG41SDNG 8J51SDNG 9J61SDNG 01J

D3

DB

15D

2

DB

2K3 J5

DB

3D

B4

J6D

B5

H5

G3

DB

6D

B7

G4

DB

8F4

DB

9F1

RTNID3P

K8

KCIAD4R

6L IDIADODIAD6M

NRIAD4P

DB

0K1

DB

1K2

DB

10F2

DB

11F3

DB

12E2

DB

13E3

DB

14

21P NBTUOA21R PBTUOA

41L NNIXUAPNIXUA51M

31L NTUOXUAPTUOXUA31K

CH

_BDR

VE11

CH

_ISEN

F12C

H_R

ESD

14

E9C

RE

F

CSN

_PSC

L5 N1

AB3

AB4

N2

AB5

M2

M1

AB6

AB7

K7AB

8K5

ADC

_AU

X1

E10

CFA9D

NATUOA21NPATUOA11P

U300

AB0

K6 P1AB

1AB

2

C314

VC

CD

_2.9VVB

AT

C303

INTR

QP

WR

_KEEP

MO

TOR

RIN

G_EN

KEY

_CO

L(2)

KEY

_RO

W(0)

TSR

BU

ZZER

SIMC

LK

SIMD

ATASIM

RST

GSM

_TX_E

ND

CS

_TX_EN

VREF

NTUOCIMPTUOCIM

NO_RWPNO_GIJ

RTC

ALA

RM

K23KLC

RTX

_INR

TX_IP

RTX

_QN

RTX_Q

P

UP

_SC

LK

UP

_SD

IU

P_S

DO

TXPO

WER

PATUOA

NBTUOAPBTUOA

NNIXUAPNIXUA

NTUOXUAPTUOXUA

UP

_CS

TNI_PSD

KEY

_BL1

CM_M31KLC

NNICIMPNICIM

RF_E

N

XO

EN

A

FLAS

H_R

ESE

T

DSP

_IOD

SP_R

WN

AFC

NATUOA

DS

P_D

B(13)D

SP

_DB(12)

DS

P_D

B(11)D

SP

_DB(10)

DS

P_D

B(1)D

SP

_DB(0)

DSP

_AB(8)

DSP

_AB(7)

DSP

_AB(6)

DSP

_AB(5)

DSP

_AB(4)

DSP

_AB(3)

DSP

_AB(2)

DSP

_AB(1)

DSP

_AB(0)

DS

P_DB

(0:15)

DS

P_AB(0:8)

SER

LES

ERD

ATS

ERC

LK

TX_E

N

TX_B

AND

_SEL

DS

P_D

B(9)D

SP

_DB(8)

DS

P_D

B(7)D

SP

_DB(6)

DS

P_D

B(5)D

SP

_DB(4)

DS

P_D

B(3)D

SP

_DB(2)

DS

P_D

B(15)D

SP

_DB(14)

Page 8: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-4

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R106

R104

R105

VRF_2.9V

VCCD_2.9V

R107

R110

1LATX

30

2LATX

9

NDP_

10

TESE

R_

_SEN2

13

DDV

28

DD

V

29

11

OIV

26

VID

X

32

NEX

ED

OM

X25

8XOUT

31

21

18RFIPN

RFIPP17

16

HOF

R

15

LOF

RSCLK

1

SDIO3

DDV

12

DDV

3334

CN

CN

35

RFIAN 24

RFIAP23

20RFIDN

RFIDP19

RFIEN22

RFIEP

27

CFA

BIN6

7BIP

BQN4

5BQP

14

DN

G

DN

G

U100

OSC100

2

43

1

C120

C123

VRF_2.9V

R111

C133

C130

C134

RF_EN

SERDAT

AFC

SERLE

SERCLK

13MHZ_BB

RTX_QP

RTX_QN

RTX_IP

RTX_IN

XOENA

Page 9: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-5

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2-1-2. Initial

Initial Failure

The pin #G11 of U101 =

1.8V and

the pin #J12 of U101 =

2.8V ?

Check the U300(if it has some problem, it is to be replaced.)

Yes

No

Is the pin #K9 of U101

"Low → High" ?

Yes

NoCheck the U300

(if it has some problem, it is to be replaced.)

There is 32.768kHz wave

forms at the C216 and

C217

Yes

No

Check the U200

Is the pin #A4 of U300

is "High"

The voltage is "High" at

the C313,C315,C316Check the U300

Check the U100

LCD display is O.K

No

No

Yes

Yes

Yes

Check the LCD part

No

Sound is O.K

Yes

No

Check the Audio part

END

Yes

Page 10: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-6

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Page 11: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-7

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C218

01N

KLC_0

MS

XAT

AD_0

MS

X21

U

XTIC_MODE D12

FER

VX

01F

P16 XPA4/OENP15 XPA5/WAITNT15 XPA6/BE1N

M9 XPA7/IRQ1XPA8/IRQ2

T5P2

XPA9/IRQ3

5R

1M

WP

X

E8XRTCALARM_N0

MI_03A

PX

3F 1E

1MI_13

AP

X

41H

N0S

C_23AP

X

AQE

R_T_33A

PX

71N

71M

BQE

R_T_43A

PX

31L22

A_53A

PXN5

SC_32

A_63AP

X51

N

N14 XPA3/CS4N

2M

WP/32A

PX

6H

3M

WP/42A

PX

5H

3M

0M

O_52A

PX

2G

1M

O_62A

PX

KLC_1

MS_72

AP

X4

G

5G

0M

OI_82A

PX

1F1

MOI_92

AP

X

XPA2/CS3NM11

0X

R/61A

PX

3L 4E

0Q

RD_71

AP

X31P

KC

A_T_81A

PX

2LI

SO

M_P

C/91A

PX

XPA1/CS2NM14

OSI

M_P

C/02A

PX

1L

KC

S_P

C/12A

PX

4K

6JN

SS/22A

PX

XOSC32OUT C6

M15 XPA0/CS1N

XPA10/IRQ4N2

5K

XR

AD

RI/11A

PX

XTA

DRI/21

AP

X1

N

6G

1XT_31A

PX

1XR_41

AP

X3

G

4H

0XT/51

AP

X

4T3T

UOS/8

BK_

PC

X4T

UOS/9

BK_

PC

X3

N

KCT_

PC

X7

D

3 1D

ODT_

PC

X

8G

SMT_

PC

X

NTS

RT_P

CX

9F

XCP_WENC13

BTS

RFX

4F4L0

NIS/0B

K_P

CX

1NIS/1

BK_

PC

X5L 4

M2

NIS/2B

K_P

CX

1T3

NIS/3B

K_P

CX

4NIS/4

BK_

PC

X2

R3T

0TU

OS/5B

K_P

CX

1TU

OS/6B

K_P

CX

3U

3P

2TU

OS/7B

K_P

CX

F7 XCP_D3XCP_D4C5

D6 XCP_D5E7 XCP_D6

XCP_D7D5

XCP_D8C4B4 XCP_D9

IDT_

PC

X7

C

XCP_D1B5

B3 XCP_D10XCP_D11C1

C2 XCP_D12XCP_D13D2

XCP_D14D3E3 XCP_D15

XCP_D2F8

C14 XCP_A5XCP_A6A16

A15 XCP_A7B17 XCP_A8XCP_A9C17

XCP_CSRAMENA13A12 XCP_CSROMEN

A6 XCP_D0

K13 XCP_A17XCP_A18K14

L14 XCP_A19

E14 XCP_A2

L15XCP_A20XCP_A21L16

XCP_A3D15

XCP_A4B15

XCP_A1F11

XCP_A10D16F14 XCP_A11G14 XCP_A12

XCP_A13G13G17 XCP_A14

XCP_A15J12

XCP_A16K12

X2RTCD10

XAG0 B11A11XAG1

E11XAG2XAG3 D11

B7XBSWN

M12XCPTSTSTOP_CKO

XCP_A0_BEONB13

SS

V01

G7

HS

SV

11H

SS

V

7JS

SV

SS

V6

K

AS

SV01

E

LLP

D_SS

V51

E

A7X1RTC

SS

V01L

7M

SS

VS

SV

8L11J

SS

V

9LS

SV

SS

V3

AS

SV

6F9

GS

SV

ED

DV

61N

61E

ED

DV

ED

DV

71E

61G

LLP

D_D

DV

8D

CTRV

2A

SS

V

7K

SS

V

6LS

SV

11C

AD

DV

ED

DV

1B

41B

ED

DV

1M

ED

DV

ED

DV

2U

8P

ED

DV

ED

DV

51U

61U

ED

DV

DD

V1

G1

RD

DV

DD

V4

R31T

DD

VD

DV

61R

71R

DD

VD

DV

5A

61C

DD

V

U5RWN

H13TCK

H12TDI

F12TDO

TMS G12

F15TRST

2E

DD

V

DD

V71L

N7DB#9

INT#0 N4

IO7 R12

IOBIT#1 K11L12IOBIT#2

1C

NC

N2

21C

BTS

R

P10DB#15

DB#2 R6P6

DB#3DB#4 U7DB#5 T7

R7DB#6DB#7 M6DB#8 P7

CKO G15

P5DB#0DB#1 U6

DB#10 N8DB#11 M8

U11DB#12DB#13 T11DB#14 R11

AB#2 R13AB#3 N11

P11AB#4AB#5 P12

R14AB#6

T14AB#7AB#8 T17

IK

C71F

U200AB#0 U13

M10AB#1

C215

C221C220

VCC_1.8A

VCC_1.8A

C217

R205

VCC_1.8A

R209R210

C206

C222

C207

R200

VCCB_2.9V

R203

R219

R208

OSC200

23

4 1

C205

R206

R212

VBAT

R213100K

VRTC_2.9V

C219

DSP_TCK

R204

VCCD_2.9V

VCCD_2.9V

C208

TH200

DSP_TDI

VCCD_2.9V

DSP_TMS

022R

R214

R202

DSP_TDO

C216

RING_EN

LED_EN

LED_EN

VIB_EN

CP_TCK

TR_RST

BAT_CF

DSP_AB(0)

CHG_ON

DLC_DETECT

A(0:20)

CP_TDICP_TMS

DSP_DB(14)DSP_DB(13)DSP_DB(12)DSP_DB(11)DSP_DB(10)

DSP_DB(1)DSP_DB(0)

CLK13M_TR

DSP_AB(8)DSP_AB(7)DSP_AB(6)DSP_AB(5)DSP_AB(4)DSP_AB(3)DSP_AB(2)DSP_AB(1)

DSP_RWN

TR_RST

DSP_IODSP_INT

DSP_DB(9)DSP_DB(8)DSP_DB(7)DSP_DB(6)DSP_DB(5)DSP_DB(4)DSP_DB(3)DSP_DB(2)

DSP_DB(15)

A(20)

A(2)

A(19)A(18)A(17)A(16)A(15)A(14)A(13)A(12)A(11)A(10)

A(1)A(0)

TR_RST

ICHRG

D(14)D(13)D(12)D(11)D(10)

D(1)D(0)

CP_CSROMENCP_CSRAMEN

A(9)A(8)A(7)A(6)A(5)A(4)A(3)

A(21)

KEY_ROW(0)KEY_COL(4)KEY_COL(3)KEY_COL(2)KEY_COL(1)KEY_COL(0)

D(9)D(8)D(7)D(6)D(5)D(4)D(3)D(2)

D(15)

UP_SDO

LCD_CS

UP_SDI

JACK_IN

DEBUG_RXDDEBUG_TXD

SDS_RXDSDS_TXD

CLK32K

FLASH_RESET

CP_WEN

TR_RSTCP_TDO

KEY_ROW(4)KEY_ROW(3)KEY_ROW(2)KEY_ROW(1)

DEBUG_DCDCP_OEN

A(22)

DEBUG_DSREAR_SWITCH

DEBUG_RTSDEBUG_DTR

CHG_DETDEBUG_CTS

PWR_KEEPSIMRSTDEBUG_RI

UP_CSUP_SCLK

DSP_DB(15:0)

D(0:15)

KEY_ROW(0:4)

KEY_COL(0:4)

DSP_AB(8:0)

VREF

SIMDATASIMCLK

RTCALARM

INTRQ

UPPER_BYTE

Page 12: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-8

This Document can not be used without Samsung's authorization

2-1-3. Sim Part

Check the voltage atpin#1 of SIM300 >=

2.8V ?

"Insert SIM is displayed on the LCD

Check the SIMconnector's (SIM300)connection to SIM card

Check the U300

Resolder or change SIM300

END

No

Yes

Yes

Yes

Yes

No

NoIs there any signals

pin#2,#3,#4 of SIM300 ? Check the U200 & U300

Check the SIM Card

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SGH-C120 Flow Chart of Troubleshooting

2-9

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SGH-C120 Flow Chart of Troubleshooting

2-10

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2-1-4. Microphone Part

Is the assembled statusof microphone O.K?

Microphone does not work

Reassembled the microphone

Resolder or changeR400,R401,R402,R403,R404,R405R407,R410,R413,R414,L400,L401

C403,C407,C413

END

No

Yes

Yes

Yes

Yes

No

Is microphone ok?No

Check U300

Check the reference voltage on mic path

VR401 ≒ 2.0V ?

Yes

Page 15: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

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SGH-C120 Flow Chart of Troubleshooting

2-12

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2-1-5. Receiver Part

2-1-6. Buzzer Part

There is no sound from the Receiver

Is the terminal of ReceiverO.K ?

NoReplace the Receiver

Yes

No

Yes

Check U300,R423,R424Is there any signals atthe pin#A11 andpin#N12 of U300 ?

END

There is no sound from the Buzzer

Is the terminal of BuzzerO.K ? Replace the Buzzer

Is there any signals atthe pin#A13 andpin#N12 of U300 ?

Check U300,D200,R218

END

Yes

Yes

Yes

Yes

No

No

Page 17: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-13

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Page 18: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-14

This Document can not be used without Samsung's authorization

D200

R218

C227

VBAT

BUZ200

C310

BUZZER

R423

VR404

TA401

231

TR400

R412

R424

C417

C413

L400

R410

VR

405

R403

C410

23 4 5 6

EA

R400

1

R407

C407

VR403

R413

R414

TA400

R420

R409

VR

402VR

401

CN

400

C401

R417

C405

VR

410

R419

C419

C403

C415

R401

C418

C400

VC

CA

_2.9V

C416

12

3 45

6

78

R405

ZD401

R415

R421

R406

TA402

C408

R404

C406

R422

C409

C404

R411

MIC

400

VC

CA

_2.9VR

418V

CC

D_2.9V

R408

C402

R416

VO

UT

3 VB

AT

R425

U400

6C

E

GN

D2

GN

D54

NC

1V

DD

VBA

T

C420

R426

C424

C426

3

12

R427

D400

C423

C421

C422

L401

R400

R402

MO

TOR

VIB

_EN

VR

411

AO

UTA

P

AU

XIN

P

JAC

K_IN

MO

T+

AO

UTB

N

AU

XOU

TN

AU

XIN

N

EA

R_S

WITC

H

MIC

+

AO

UTA

N

MIC

MIC

INP

MIC

INN

MIC

OU

TN

MIC

OU

TP

AU

XO

UTP

AO

UTB

P

Page 19: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-15

This Document can not be used without Samsung's authorization

F101 CHECKpin8 ≥ -65dBm ?

2-2.RF

2-2-1. EGSM RX

CONTINUOUS RX ON

RF INPUT : 62CH

AMP : -50dBm

NORMAL CONDITIONcatch the channel?

CHECKANT contact ?

U100pin 12,13,25,26,27:

2.8V ?

F101 CHECKpin10 ≥ -65dBm ?

U100 CHECKpin21,22 ≥ -65dBm ?

F101,RFS100resolder or change

F101resolder or change

C127,C129,L107resolder or change

U300 pinA13, C314change or resolder

U100 CHECKpin 30,31 :26MHz ?

Vp-p : 950mV?

OSC100change or resolder

U100resolder or change

U300 CHECK!!

U100pin 4,5,6,7 Vp-p: 120mV ?

NO

YES

NO

NO

NO

NO

NO

NO

YES

YES

YES

YES

YES

YES

③②

④ ⑤

F100 CHECKpin6,7 ≥ -65dBm ?

F100resolder or change

YES

NO

Page 20: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-16

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②③

Page 21: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-17

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F101 CHECKpin8 ≥ -65dBm ?

2-2-2. DCS RXCONTINUOUS RX ON

RF INPUT : 698CH

AMP : -50dBm

NORMAL CONDITIONcatch the channel?

CHECKANT contact ?

U100pin 12,13,25,26,27:

F101 CHECKpin1 ≥ -65dBm ?

U100 CHECKpin19, 20 ≥ -65dBm ?

F101,RFS100resolder or change

F101resolder or change

C124,C126,L105resolder or change

U300 pinA13, C314change or resolder

U100 CHECKpin 30,31 :26MHz ?

OSC100change or resolder

U100resolder or change

U300 CHECK!!

U100pin4,5,6,7 Vp-p: 120mV ?

NO

YES

NO

NO

NO

NO

NO

NO

YES

YES

YES

YES

YES

YES

F100 CHECKpin8,9 ≥ -65dBm ?

F100resolder or change

YES

NO

Page 22: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-18

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②③

④⑤

Page 23: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-19

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2-2-3. EGSM TX

F101 pin 5 :about 2~3dBm?

C103,RFS100check&change

F101pin11 : 2.8 V?

U300check & change

PAM100 pin10: about4~5dBm?

F101check & change

PAM100pin4 : 3.7 V?

NO NO

YES

YES

YES

NO

NO BATTERYcheck & change

PAM100pin 6 : 1.6V ?

YES

NO

PAM100 pin7about : -5dBm

?

YES

PAM100pin 2 : 3V?

YES

YES

PAM100change or resolder

NO

U300check

U300check

NO

U100pin12,13,25,26,28 : 2.8V ?

U300pinA13,C314

change or resolder

YES

U100pin30,31 :26MHz ?

Vp-p : 950mV?

U100pin4,5,6,7:100m

V?

YES

U300change or resolder

NO

NO

U100change or resolder

YES

NOOSC100

change or resolder

CONTINOUS TX ON CONDITIONTX POWER DAC: 600 CODE APPLIED

CH : 62RBW : 100KHzVBW : 100KHzSPAN : 10MHz

REF LEV. : 10dBmATT. : 20dB

④③

②①

Page 24: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-20

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Page 25: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-21

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2-2-4. DCS TX

F101 pin 11 :about 2~3dBm?

C103,RFS100check&change

F101pin2 : 2.8 V?

U300check & change

PAM100 pin16: about4~5dBm?

F101check & change

PAM100pin4 : 3.7 V?

NO NO

YESYES

YES

NO

NOBATTERY

check & change

PAM100pin 6 : 1.4V ?

YES

NO

PAM100 pin1about : -5dBm ?

YES

PAM100pin 3 : 3V?

YES

YES

PAM100change or resolder

NO

U300check

U300check

NO

U100pin12,13,25,26,28 : 2.8V ?

U300pinA13,C314

change or resolder

YES

U100pin30, 31 :26MHz ?

Vp-p : 950mV?

U100pin4,5,6,7:100m

V?

YES

U300change or resolder

NO

NO

U100change or resolder

YES

NO OSC100change or resolder

CONTINUOUS TX ON CONDITIONCH : 698CH(DCS)

TX POWER CODE: 520 CODE ApliedRBW : 100KHzVBW : 100KHzSPAN : 10MHz

REF LEV. : 10dBmATT. : 20dB

③ ④

⑦⑥

Page 26: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-22

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Page 27: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Flow Chart of Troubleshooting

2-23

This Document can not be used without Samsung's authorization

DC

S(M

UR

ATA)

GSM

(MU

RATA

)

G79 G

G12G13

VC1

2

11VC

2

F1018

ANT

DC

S_RX

1

DC

S_TX3

EG

SM

_RX

10 5EG

SM_TX

4 GG6

L101

L105

C132

R100

VBAT

R106

R113

C106

L108

L103

R104

R109

C104

C114

L109

TP104

C103

C128

C116

C122

C111

4

8

VC

C2

VC

C2

18

VC

C_O

UT

13

VRAM

P6

R105

G1211

G

G9

G 19

G

17

7G

SM_IN

GSM

_OU

T10

3TX_EN

VBATT

PAM

100

2BS

5C

EXT

DC

S/PC

S_IN1

DC

S/PCS

_OU

T16

G15

G14

C121

R108

VRF_2.9V

C126

VC

CD

_2.9V

R107

5

GG 10

IN1 4

IN

6O

UT

OU

T7

OU

T8

OU

T9

F100

2

GG

3

C125

C105

C124

R110

L104

1LATX

30

2LATX

9

NDP_ 10

TESER_

_SEN2

R102

13

DDV

28

DDV

29

11

OIV

26

VIDX

32

NEX

EDOMX

25

8XO

UT

31

21 18R

FIPN

RFIPP

17

16

HOFR

15

LOFR

SCLK

1

SDIO

3

DDV

12

DDV

3334

CNCN

35

RFIA

N24

RFIA

P23 20

RFID

N

RFID

P19

RFIE

N22

RFIE

P

27

CFA

BIN6 7

BIP

BQN

4 5BQ

P

14

DNG

DNG

U100

C108

C127

OSC

100

2

43

1

C119

L107

L102

C120

C123

C102

C115

TP10 1TP102

R112

C131

L100

VRF_2.9V

C113

L106

R111

C117

TA100

C112

C12 9

C133

C130

C118

R103

C107

C134

TNA

GS

M_TX

_EN

DC

S_TX_EN

EGSM

RX

DC

SR

X

RF_EN

SER

DAT

AFC

GSM

_PAM

_IN

DC

S_P

AM_IN

TX_B

AND

_SEL

TX_EN

TXPOW

ER

SERLE

SER

CLK

13MH

Z_BB

RTX_Q

P

RTX_Q

N

RTX_IP

RTX_IN

DC

S_PAM

_IN

GSM

_PAM

_IN

13MH

Z_BBC

LK13M_TR

CLK13M

_MC

DC

SRX

EGSM

RX

XO

EN

A

Page 28: Samsung SGH-C120 service manual - narod.ru

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3. SGH-C120 Exploded View and Parts List

3-1

This Document can not be used without Samsung's authorization

3-1. Cellular phone Exploded View

QAR01

QFR01

QKP01

QCR17

QLC01

QMO01

QAN02

QSH01

QRF03

QRE01

QRF01

QBA00

QIF01

QCR05

QMI02

QMI03

QME01

QMP01

QBA01

QAU02

Page 29: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Exploded View and Parts List

3-2

This Document can not be used without Samsung's authorization

3-2. Cellular phone Parts list

Location No Description Sec Code

QAN02   INTENNA-SGHC120,GRAY GH42-00651A

QAR01   AUDIO-RECEIVER 3009-001145

QAU02   RMO-BUZZER HOLDER V2 GH73-05637A

QBA00   PMO-BATT COVER GH72-24322A

QBA01   BATTERY-800MAH,BLK,ENG,M GH43-01850A

QCR05   SCREW-MACHINE 6001-001478

QCR17   SCREW-MACHINE 6001-001460

QFR01   MEC-FRONT COVER GH75-07865A

QIF01   PMO-IF COVER GH72-24321A

QKP01   MEC-KEYPAD(FAM/WKS) GH75-07866A

QLC01   LCD-MODULE,SGHC120 GH07-00772A

QME01   UNIT-METAL DOME GH59-02424A

QMI02   UNIT-MIC ASS`Y GH59-00595A

QMI03   MEC-MIC HOLDER GH75-07869A

QMO01   MOTOR DC-SGHE720 GH31-00136A

QMP01   PBA MAIN-SGHC120 GH92-02344A

QRF01   RMO-RF COVER GH73-05308A

QSH01   MEC-SHIELD CAN REAR GH75-07868A

QRE01   MEC-REAR COVER GH75-07867A

  QRF03 PMO-EAR COVER GH72-24320A

Page 30: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Exploded View and Parts List

3-3

This Document can not be used without Samsung's authorization

Description Sec Code

BAG PE 6902-000297

CHARGER-SGHN288 TA(U.K) GH44-00171C

LABEL(P)-WATER SOAK GH68-02026A

MANUAL-USER GH68-07911A

LABEL(R)-MAIN (EU) GH68-08401A

BOX(P)-UNIT MAIN (SEA) GH69-03312B

CUSHION-CASE TA3 GH69-03332A

MPR-SPONGE SPEAKER GH74-02589A

MPR-TAPE ESD GH74-18148A

MPR-TAPE J_TAG SHORT GH74-18149A

Page 31: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Exploded View and Parts List

3-4

This Document can not be used without Samsung's authorization

3-3-1. RF Test Cable

(GH39-00397A)

3-3-2. Test Cable

(GH39-00127A)

3-3. Test Jig (GH80-00865A)

3-3-3. Serial Cable

3-3-4. Power Supply Cable 3-3-5. DATA CABLE

(GH39-00159A)

3-3-6. TA

(GH44-00184A)

Page 32: Samsung SGH-C120 service manual - narod.ru

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4. SGH-C120 MAIN Electrical Parts List

4-1

This Document can not be used without Samsung's authorization

SEC Code Design LOC Discription STATUS

0403-001427 ZD502 DIODE-ZENER SA

0403-001547 ZD503 DIODE-ZENER SA

0404-001172 D200 DIODE-SCHOTTKY SA

0404-001172 D501 DIODE-SCHOTTKY SA

0406-001083 ZD500 DIODE-TVS SA

0406-001083 ZD501 DIODE-TVS SA

0406-001190 ZD401 DIODE-TVS SA

0406-001194 ZD601 DIODE-TVS SA

0406-001210 ZD402 DIODE-TVS SA

0406-001210 ZD403 DIODE-TVS SA

0406-001210 ZD602 DIODE-TVS SA

0406-001210 ZD603 DIODE-TVS SA

0406-001210 ZD604 DIODE-TVS SA

0407-001002 D400 DIODE-ARRAY SA

0501-000225 TR400 TR-SMALL SIGNAL SA

0504-000168 TR300 TR-DIGITAL SA

0601-002119 LED611 LED SA

0601-002119 LED612 LED SA

0801-000796 U501 IC-CMOS LOGIC SA

1109-001218 UME600 IC-MCP SA

1201-002260 PAM100 IC-POWER AMP SA

1203-003109 U301 IC-BATTERY SA

1203-003737 U400 IC-POSI.FIXED REG. SA

1203-003897 UCP300 IC-POWER SUPERVISOR SA

Page 33: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-2

This Document can not be used without Samsung's authorization

SEC Code Design LOC Discription STATUS

1203-003936 U500 IC-DC/DC CONVERTER SA

1205-002683 U100 IC-TRANSCEIVER SA

1404-001221 TH200 THERMISTOR-NTC SA

1405-001082 VR405 VARISTOR SA

1405-001082 VR410 VARISTOR SA

1405-001082 VR411 VARISTOR SA

1405-001082 VR500 VARISTOR SA

1405-001082 VR501 VARISTOR SA

1405-001082 VR502 VARISTOR SA

1405-001082 VR503 VARISTOR SA

1405-001082 VR504 VARISTOR SA

1405-001082 VR602 VARISTOR SA

1405-001082 VR603 VARISTOR SA

1405-001082 VR604 VARISTOR SA

1405-001082 VR606 VARISTOR SA

1405-001082 VR607 VARISTOR SA

1405-001082 VR608 VARISTOR SA

1405-001082 VR609 VARISTOR SA

1405-001082 VR611 VARISTOR SA

1405-001082 VR613 VARISTOR SA

1405-001093 VR505 VARISTOR SA

1405-001093 VR601 VARISTOR SA

1405-001108 VR403 VARISTOR SA

1405-001108 VR404 VARISTOR SA

Page 34: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-3

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SEC Code Design LOC Discription STATUS

1405-001108 VR612 VARISTOR SA

2007-000140 R208 R-CHIP SA

2007-000140 R417 R-CHIP SA

2007-000140 R420 R-CHIP SA

2007-000140 R426 R-CHIP SA

2007-000140 R515 R-CHIP SA

2007-000140 R516 R-CHIP SA

2007-000140 R517 R-CHIP SA

2007-000140 R518 R-CHIP SA

2007-000140 R519 R-CHIP SA

2007-000140 R520 R-CHIP SA

2007-000140 R521 R-CHIP SA

2007-000140 R522 R-CHIP SA

2007-000140 R523 R-CHIP SA

2007-000140 R525 R-CHIP SA

2007-000140 R527 R-CHIP SA

2007-000140 R528 R-CHIP SA

2007-000140 R530 R-CHIP SA

2007-000142 R406 R-CHIP SA

2007-000145 R422 R-CHIP SA

2007-000148 R111 R-CHIP SA

2007-000148 R402 R-CHIP SA

2007-000153 R524 R-CHIP SA

2007-000157 R200 R-CHIP SA

Page 35: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-4

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SEC Code Design LOC Discription STATUS

2007-000157 R204 R-CHIP SA

2007-000157 R306 R-CHIP SA

2007-000162 R209 R-CHIP SA

2007-000162 R213 R-CHIP SA

2007-000162 R529 R-CHIP SA

2007-000167 R304 R-CHIP SA

2007-000171 R100 R-CHIP SA

2007-000171 R108 R-CHIP SA

2007-000171 R110 R-CHIP SA

2007-000171 R205 R-CHIP SA

2007-000171 R206 R-CHIP SA

2007-000171 R210 R-CHIP SA

2007-000171 R219 R-CHIP SA

2007-000171 R300 R-CHIP SA

2007-000171 R303 R-CHIP SA

2007-000171 R307 R-CHIP SA

2007-000171 R408 R-CHIP SA

2007-000171 R409 R-CHIP SA

2007-000171 R416 R-CHIP SA

2007-000171 R418 R-CHIP SA

2007-000171 R419 R-CHIP SA

2007-000171 R425 R-CHIP SA

2007-000171 R500 R-CHIP SA

2007-000171 R501 R-CHIP SA

Page 36: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-5

This Document can not be used without Samsung's authorization

SEC Code Design LOC Discription STATUS

2007-000171 R502 R-CHIP SA

2007-000171 R507 R-CHIP SA

2007-000171 R526 R-CHIP SA

2007-000171 R611 R-CHIP SA

2007-000171 R612 R-CHIP SA

2007-000172 R201 R-CHIP SA

2007-000172 R302 R-CHIP SA

2007-000172 R613 R-CHIP SA

2007-000173 R412 R-CHIP SA

2007-000173 R415 R-CHIP SA

2007-000566 R510 R-CHIP SA

2007-000566 R511 R-CHIP SA

2007-000566 R512 R-CHIP SA

2007-000566 R513 R-CHIP SA

2007-000566 R514 R-CHIP SA

2007-000566 R531 R-CHIP SA

2007-001288 R509 R-CHIP SA

2007-001298 R103 R-CHIP SA

2007-001308 R112 R-CHIP SA

2007-001313 R102 R-CHIP SA

2007-001317 R407 R-CHIP SA

2007-001320 R405 R-CHIP SA

2007-001320 R410 R-CHIP SA

2007-001333 R421 R-CHIP SA

Page 37: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-6

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SEC Code Design LOC Discription STATUS

2007-002797 R104 R-CHIP SA

2007-002797 R109 R-CHIP SA

2007-002965 R614 R-CHIP SA

2007-002965 R615 R-CHIP SA

2007-003015 R218 R-CHIP SA

2007-007142 R301 R-CHIP SA

2007-007142 R309 R-CHIP SA

2007-007142 R401 R-CHIP SA

2007-007142 R403 R-CHIP SA

2007-007142 R413 R-CHIP SA

2007-007197 R423 R-CHIP SA

2007-007197 R424 R-CHIP SA

2007-007308 R212 R-CHIP SA

2007-007308 R214 R-CHIP SA

2007-007480 R202 R-CHIP SA

2007-007489 R400 R-CHIP SA

2007-007489 R404 R-CHIP SA

2007-007538 R203 R-CHIP SA

2007-007538 R411 R-CHIP SA

2007-007538 R414 R-CHIP SA

2007-008263 R310 R-CHIP SA

2203-000233 C123 C-CER,CHIP SA

2203-000233 C135 C-CER,CHIP SA

2203-000233 C309 C-CER,CHIP SA

Page 38: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-7

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SEC Code Design LOC Discription STATUS

2203-000233 C324 C-CER,CHIP SA

2203-000233 C410 C-CER,CHIP SA

2203-000254 C117 C-CER,CHIP SA

2203-000254 C200 C-CER,CHIP SA

2203-000254 C201 C-CER,CHIP SA

2203-000254 C202 C-CER,CHIP SA

2203-000254 C203 C-CER,CHIP SA

2203-000254 C208 C-CER,CHIP SA

2203-000254 C209 C-CER,CHIP SA

2203-000254 C210 C-CER,CHIP SA

2203-000254 C211 C-CER,CHIP SA

2203-000254 C212 C-CER,CHIP SA

2203-000254 C214 C-CER,CHIP SA

2203-000254 C301 C-CER,CHIP SA

2203-000254 C317 C-CER,CHIP SA

2203-000254 C603 C-CER,CHIP SA

2203-000278 C122 C-CER,CHIP SA

2203-000278 C125 C-CER,CHIP SA

2203-000330 C216 C-CER,CHIP SA

2203-000330 C217 C-CER,CHIP SA

2203-000386 C131 C-CER,CHIP SA

2203-000425 C406 C-CER,CHIP SA

2203-000438 C104 C-CER,CHIP SA

2203-000438 C105 C-CER,CHIP SA

Page 39: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-8

This Document can not be used without Samsung's authorization

SEC Code Design LOC Discription STATUS

2203-000438 C115 C-CER,CHIP SA

2203-000530 C113 C-CER,CHIP SA

2203-000628 C405 C-CER,CHIP SA

2203-000679 C207 C-CER,CHIP SA

2203-000679 C419 C-CER,CHIP SA

2203-000696 C102 C-CER,CHIP SA

2203-000696 C127 C-CER,CHIP SA

2203-000696 C129 C-CER,CHIP SA

2203-000812 C304 C-CER,CHIP SA

2203-000812 C305 C-CER,CHIP SA

2203-000812 C306 C-CER,CHIP SA

2203-000812 C310 C-CER,CHIP SA

2203-000812 C400 C-CER,CHIP SA

2203-000812 C402 C-CER,CHIP SA

2203-000812 C409 C-CER,CHIP SA

2203-000812 C416 C-CER,CHIP SA

2203-000812 C555 C-CER,CHIP SA

2203-000812 C556 C-CER,CHIP SA

2203-000854 C121 C-CER,CHIP SA

2203-000995 C103 C-CER,CHIP SA

2203-000995 C116 C-CER,CHIP SA

2203-000995 C404 C-CER,CHIP SA

2203-001017 C128 C-CER,CHIP SA

2203-001072 C300 C-CER,CHIP SA

Page 40: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-9

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SEC Code Design LOC Discription STATUS

2203-001072 C417 C-CER,CHIP SA

2203-001072 C418 C-CER,CHIP SA

2203-001385 C111 C-CER,CHIP SA

2203-001405 C206 C-CER,CHIP SA

2203-001412 C132 C-CER,CHIP SA

2203-001598 C308 C-CER,CHIP SA

2203-001598 C311 C-CER,CHIP SA

2203-005061 C205 C-CER,CHIP SA

2203-005061 C307 C-CER,CHIP SA

2203-005061 C318 C-CER,CHIP SA

2203-005061 C319 C-CER,CHIP SA

2203-005061 C422 C-CER,CHIP SA

2203-005061 C600 C-CER,CHIP SA

2203-005061 C601 C-CER,CHIP SA

2203-005061 C602 C-CER,CHIP SA

2203-005234 C106 C-CER,CHIP SA

2203-005234 C124 C-CER,CHIP SA

2203-005234 C126 C-CER,CHIP SA

2203-005481 C114 C-CER,CHIP SA

2203-005482 C120 C-CER,CHIP SA

2203-005482 C130 C-CER,CHIP SA

2203-005482 C133 C-CER,CHIP SA

2203-005482 C302 C-CER,CHIP SA

2203-006053 C326 C-CER,CHIP SA

Page 41: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-10

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SEC Code Design LOC Discription STATUS

2203-006141 C312 C-CER,CHIP SA

2203-006141 C313 C-CER,CHIP SA

2203-006141 C314 C-CER,CHIP SA

2203-006141 C315 C-CER,CHIP SA

2203-006141 C316 C-CER,CHIP SA

2203-006141 C322 C-CER,CHIP SA

2203-006141 C325 C-CER,CHIP SA

2203-006141 C421 C-CER,CHIP SA

2203-006257 C323 C-CER,CHIP SA

2203-006260 C204 C-CER,CHIP SA

2203-006260 C213 C-CER,CHIP SA

2203-006260 C403 C-CER,CHIP SA

2203-006260 C407 C-CER,CHIP SA

2203-006260 C413 C-CER,CHIP SA

2203-006348 C503 C-CER,CHIP SA

2203-006361 C108 C-CER,CHIP SA

2203-006361 C320 C-CER,CHIP SA

2203-006361 C423 C-CER,CHIP SA

2203-006361 C504 C-CER,CHIP SA

2203-006438 C218 C-CER,CHIP SA

2203-006562 C303 C-CER,CHIP SA

2203-006562 C502 C-CER,CHIP SA

2404-001151 TA400 C-TA,CHIP SA

2404-001225 TA401 C-TA,CHIP SA

Page 42: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-11

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SEC Code Design LOC Discription STATUS

2404-001225 TA402 C-TA,CHIP SA

2404-001412 TA100 C-TA,CHIP SA

2503-001053 C550 C-NETWORK SA

2503-001053 C552 C-NETWORK SA

2503-001053 C553 C-NETWORK SA

2503-001053 C554 C-NETWORK SA

2703-001178 L103 INDUCTOR-SMD SA

2703-001178 L109 INDUCTOR-SMD SA

2703-002170 L108 INDUCTOR-SMD SA

2703-002199 L106 INDUCTOR-SMD SA

2703-002202 L400 INDUCTOR-SMD SA

2703-002202 L401 INDUCTOR-SMD SA

2703-002208 L102 INDUCTOR-SMD SA

2703-002269 L100 INDUCTOR-SMD SA

2703-002524 L500 INDUCTOR-SMD SA

2703-002544 L101 INDUCTOR-SMD SA

2703-002544 L105 INDUCTOR-SMD SA

2703-002558 L107 INDUCTOR-SMD SA

2801-003856 OSC200 CRYSTAL-SMD SA

2801-004426 OSC100 CRYSTAL-SMD SA

2904-001523 F100 FILTER-SAW SA

2909-001252 F101 DUPLEXER-ASM SA

3002-001098 BUZ200 BUZZER-MAGNETIC SA

3705-001358 RFS100 CONNECTOR-COAXIAL SA

Page 43: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 Main Electrical Parts List

4-12

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SEC Code Design LOC Discription STATUS

3709-001298 SIM300 CONNECTOR-CARD EDGE SA

3710-001611 IFC500 CONNECTOR-INTERFACE SA

3711-005901 BTC500 CONNECTOR-BATTERY SA

3722-002067 EAR400 JACK-EAR PHONE SA

4302-001130 BAT300 BATTERY-LI(2ND) SA

GH09-00039A UCP200 IC MICOM SA

Page 44: Samsung SGH-C120 service manual - narod.ru

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5. SGH-C120 PCB Diagrams

5-1

This Document can not be used without Samsung's authorization

BAT300

BTC500

002ZU

B

023C

002D

D400

D501

DSP_TCKDSP_TDIDSP_TDO DSP_TMS

004R

AE

001F

F101

IFC500

005L

MIC400

MOTOR

OSC100

OSC200

PAM100

RFS100

SIM300

001AT

TA400

TA401TA402

002HT

TP101 TP102

TP104

003RT

004RT

001U

U200

003U

103U

004U

U500

105U

UME600

VR401 VR402

VR403VR404

504RV

VR410VR411

005RV

105RV

205RV

305RV

405RV505

RV

VR613

ZD401

ZD500

ZD501

205DZ

ZD503

106DZ

Page 45: Samsung SGH-C120 service manual - narod.ru

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SGH-C120 PCB Diagrams

5-0

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*0

1 2 3

45

6

7 8 9

CLEAR

CN400

DOWN

1F 2F

G1 G2

INT

LED611 LED612

TFEL

MOD500

RW

P

TH

GIR

DN

ES

SH

UP

106

RV

206

RV

306

RV40

6RV

VR605

VR606

706

RV

806

RV

906

RV

016

RV

116

RV

216

RV

ZD602ZD603

ZD604

Page 46: Samsung SGH-C120 service manual - narod.ru

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6. SGH-C120 Block Diagrams

6-1

6-1. RF Solution Block Diagram

ARM7 TDMI

TRIDENTⅡCSP2100

DIGITAL

FILTER

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SGH-C120 Block Diagrams

6-2

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6-2. Base Band Solution Block Diagram

CSP 2100

64M16M