Samsung SGH-X140 Manual de usuario

GSM TELEPHONE

SGH-X140

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 Electronics Co.,Ltd. Feb. 2005

Printed in Korea.

Code No.: GH68-06385A

BASIC.

ⓒ

This Service Manual is a property of Samsung Electronics Co.,Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

SAMSUNG Proprietary-Contents may change without notice

1. SGH-X140 Specification

1-1

This Document can not be used without Samsung's authorization

1-1. GSM General Specification

GSM900

Phase 1

EGSM 900

Phase 2

DCS1800

Phase 1

Freq. Band[MHz]

Uplink/Downlink

890~915

935~960

880~915

925~960

1710~1785

1805~1880

ARFCN range 1~124 0~124 &

975~1023 512~885

Tx/Rx spacing 45MHz 45MHz 95MHz

Mod. Bit rate/

Bit Period

270.833kbps

3.692us

270.833kbps

3.692us

270.833kbps

3.692us

Time Slot

Period/Frame

Period

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms

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

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SGH-X140 Specification

1-2

This Document can not be used without Samsung's authorization

1-2. GSM TX power class

TX Power

control level GSM900

533±2dBm

631±2dBm

729±2dBm

827±2dBm

925±2dBm

10 23±2dBm

11 21±2dBm

12 19±2dBm

13 17±2dBm

14 15±2dBm

15 13±2dBm

16 11±3dBm

17 9±3dBm

18 7±3dBm

19 5±3dBm

TX Power

control level DCS1800

030±3dBm

128±3dBm

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

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2. SGH-X140 Flow Chart of Troubleshooting

2-1

This Document can not be used without Samsung's authorization

2-1.Baseband

2-1-1. Power ON

'Power On' does not work

Voltage >=3.3V

Download again

Charge the Battery

Pin#J12 >= 2.8V Check U101 and C112

Pin#A13 and

pin#A14 =2.8V Check U101 and C115

Freq = 13MHz

Vrms >=300mV

Vpp≒900mV

Check the clock generation circuit

(related to OSC401)

Check the initial operation

END

Yes

pin#G11 =

1.8V

Yes

Check the current consumption

Check the Vbat Voltage

Check the pin of U101

Checktheclocksignalatpin#27ofU404

Current consumption

>= 100mA

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SGH-X140 Flow Chart of Troubleshooting

2-2

This Document can not be used without Samsung's authorization

R106

VRF

111R

C116

C113

Q102

VCCD

C107

VCCD

C117

M101

NEG

POS

C104

C106

C110

211R

R113

R109

VRTC

TABV

2SSV

3SSV

4SSV

31R MCVXV

1D QANEOX

A13

VLDO_3

B12

VLDO_4

B10

VLDO_5

A14

VLDO_6

C12

VLDO_7

A10

VREF

41R NGERV

31M PGERV

H11

VRTC

K12

VSIM

1SSV

2OI_DDV

LTCO_DDV

E14

VEXT

F15

VIB_DRV

9L NE_GNR_BIV

VL4S_AA12

B11

VL4S_B

D10

VL5S_A

VL5S_B

G11

VLDO_1

J12

VLDO_2

J13

VDD12

2DDV

3DDV

C11

VDD34

01C

5DDV

31B

76DDV

BDDV

11N

DDDV

11L

VDDV

1OI_DDV

SERLE2

K14

SIM_CLK

J11

SIM_IO

SIM_RSTK11

7E PXT

UP_CLKN9

P10

UP_IO

R10

UP_RST

F14

VACC

E13

VBAT

1DDV

RWN

6D NIXTXR

PIXTXR

6C NQXTXR

7C PQXTXR

SCLK_PSC

SDI_PSC

SDO_PSC

C2SERCK

SERDA

SERLE1

FUB_1WSP

9M PEEK_RWP

51C N1WS_RWP

41C 2WS_RWP

6B 1FERAR

5B 2FERAR

RESETN_CSP

O_TESER

RING_DRVF13

RTC_ALMNH10

4N KLC_CTR

6CN

5P 7CN

E6OCTL0

OCTL1

F5OCTL2

OCTL3

OCTL4

G6OCTL5

B3OCTL6

OCTL7

QRTNI

I|O

G13

LED1_DRV

G12

LED2_DRV

6R CM

41M NNICIM

41N PNICIM

51P NTUOCIM

51N PTUOCIM

01N EDOM

5CN 1

4SDNG

5SDNG

6SDNG

7SDNG

01G

8SDNG

9SDNG

31P

VDNG

11F

RUCH_DNG

LTCO_DNG

51B

1CSP_DNG

51K

2CSP_DNG

01L

01SDNG 7H

11SDNG

21SDNG 9H

31SDNG

41SDNG

51SDNG

01J

61SD

01K

71SDNG

2SDNG

3SDNG

01F

DB4

H5DB5

DB6

G4DB7

F4DB8

F1DB9

3P RTNID

BDNG

01M

DDNG

QDNG

1SDNG

NRIAD

K1DB0

K2DB1

DB10

F3DB11

E2DB12

E3DB13

D3DB14

D2DB15

K3DB2

DB3

31K PTUOXUA

3CDA_XUA 31D

E11

CH_BDRV

F12

CH_ISEN

D14

CH_RES

CREFE9

CSN_PSCK8

4R KCIAD

6L IDIAD

6M ODIAD

AB8

E10

ADC_AUX1

D15

ADC_AUX2

9D CFA

21N NATUOA

11P PATUOA

21P NBTUOA

21R PBTUOA

41L NNIXUA

51M PNIXUA

31L NTUOXUA

K6AB0

AB1

L5AB2

AB3

N2AB4

AB5

AB6

AB7

C114

U101

VBAT

C120

C112

R102

C118

VCCB

GND

VCC

C115

U102

501C

R110

C111

R103

R105

C122

C119

VCCA

VBAT

C103

R101

C102

VRF

VCC

VPP

CLK

GND

6I/O

7NC

8NC

9NC

10NC

CN101

C108

VCCA

C101

C109

R108

VCC_1.8A

D101

PNIXUA

PTUOXUA

MELODY_VIB

PBTUOA

NBTUOA

CFA

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)

TA_VEXT

JIG_ON

DSP_DB(4)

DSP_DB(3)

DSP_DB(2)

DSP_DB(15)

DSP_DB(14)

DSP_DB(13)

DSP_DB(12)

DSP_DB(11)

DSP_DB(10)

DSP_DB(1)

DSP_DB(0)

UP_CS

PATUOA

NATUOA

TX_BAND_SEL

XOENA

PTUOCIM

NTUOCIM

PNICIM

NNICIM

CM_M31KLC

DSP_IO

TNI_PSD

DSP_DB(9)

DSP_DB(8)

DSP_DB(7)

DSP_DB(6)

DSP_DB(5)

UP_SCLK

PQXTXR

NQXTXR

PIXTXR

NIXTXR

DSP_RWN

K23KLC

RTCALARM

RST

FLASH_RESET

NO_RWP

PWR_KEEP

TX_EN

SI_EN

DCS_TX_EN

GSM_TX_EN

SIMRST

SIMDATA

SIMCLK

REWOPXT

SERLE

UP_SDO

UP_SDI

SERCLK

SERDAT

DSP_AB(0:8)

DSP_DB(0:15)

KEY_COL(2)

KEY_ROW(0)

INTRQ

VREF

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SGH-X140 Flow Chart of Troubleshooting

2-3

This Document can not be used without Samsung's authorization

C419

C417 C418

C430

C434

C429

C436

TXQP 6

RXIP

RXQN 1

1314

TXIN 5

TXIP

TXQN

RFIGN

RFIGP

RFIPN

16 RFIPP

RXIN

29 30

GND 35

GND 36

19 RFIDN

RFIDP

U404

15 GND

C431

VRF

GSM_LNA_IN_N

DCS_LNA_IN_P

DCS_LNA_IN_N

DPCS_PAM_IN

SERLE

SI_EN

13MHZ_SI

CLK13M_RF

XOENA

SERDAT

SERCLK

RXTXQP

RXTXQN

RXTXIP

RXTXIN

GSM_LNA_IN_P

GSM_PAM_IN

R423

C442 R424

C449

R422

VRF

C443

OSC401

GND

OUT

VCC 4

AFC

CLK13M_RF

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SGH-X140 Flow Chart of Troubleshooting

2-4

This Document can not be used without Samsung's authorization

2-1-2. Initial

Initial Failure

The pin #G11 of U101 =

1.8V and

the pin #J12 of U101 =

2.8V ?

Check the U101

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

Yes

Is the pin #K9 of U101

"Low →High" ?

Yes

No Check the U101

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

There is 32.768kHz wave

forms at the C220 and

C221

Yes

Check the U201

Is the pin #A4 of U101

is "High"

The voltage is "High" at

the C112,C115,C116 Check the U101

Check the U404

LCD display is O.K

Yes

Check the LCD part

Sound is O.K

Yes

Check the Audio part

END

Yes

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SGH-X140 Flow Chart of Troubleshooting

2-5

This Document can not be used without Samsung's authorization

PA13/TX1

CP_KB[7]/TR_SIZE1

CP_KB[8]/TR_NEXEC

PA28/IOM0

PA25/OM0

IOBIT[2]/VEC[3]/EROMHI

PN17/DRQ

PA20/CP_MI

FLASH_RESET

PA29/IOM1

PA33/T_REQA

PA31/IM1

IOBIT[1]/VEC[4]/PLLTOA

CP_KB[3]/TR_CS_IPCP

PA19/CP_MO

CP_KB[4]/TR_SIZE

CP_KB[6]/TR_PROT0

PA27/SM1_CLK

CP_KB[5]/TR_CL

CP_KB[0]/TR_CS_IRAM

PA18/T_ACK

PA26/OM1

CKO/IACK/ERAMHI

PA34/T_REQB

SIM_DATA/SM0_DAT

CP_KB[9]/TR_GNT_DM

CP_KB[1]/TR_CS_IROM

CP_KB[2]/TR_CS_PERF

PA30/IM0

PA14/RX1

SIM_CLK/SM0_CLK

PA22/SM1_DATA

R207

VO VS 1

U203

GND

R206

TP203

VCCB

TP201

VRTC

TP209

VCC_1.8A

TP204

TP205

TP202

OSC201

TP213

R220

R212

R211

R208

VCC_1.8A

R215

TP211

C230

TP210

N10

U12

XTIC_MODE D12

F10

XVREF

XPA4/OEN

P16

P15 XPA5/WAITN

T15 XPA6/BE1N

XPA7/IRQ1

T5 XPA8/IRQ2

XPA9/IRQ3

XPWM1

XRTCALARM_N E8

M11

H14

XPA32_CS0N

N17

M17

XPA35_A22L13

N15

XPA36_A23_CS5

XPA3/CS4N

N14

H6XPA23/PWM

XPA24/PWM

XPA2/CS3N

L3XPA16/RX0

P13

M14 XPA1/CS2N

K4XPA21/CP_SCK

XOSC32OUT C6

XPA0/CS1N

M15

N2 XPA10/IRQ4

XPA11/IRDARX

XPA12/IRDAT

XPA15/TX0

D7XCP_TCK

XCP_TDO

D13

XCP_TMS

F9XCP_TRSTN

C13 XCP_WEN

XCP_D3

C5 XCP_D4

XCP_D5

XCP_D6

XCP_D7

C4 XCP_D8

XCP_D9

XCP_TDI

XCP_D1

XCP_D10

C1 XCP_D11

XCP_D12

XCP_D13

D3 XCP_D14

XCP_D15

F8 XCP_D2

XCP_A5

C14

A16 XCP_A6

XCP_A7

A15

XCP_A8

B17

XCP_A9

C17

A13 XCP_CSRAMEN

XCP_CSROMEN

A12

XCP_D0

XCP_A17

K13

K14 XCP_A18

XCP_A19

L14

XCP_A2

E14

XCP_A20

L15

L16 XCP_A21

D15 XCP_A3

B15 XCP_A4

XCP_A1

F11

D16 XCP_A10

XCP_A11

F14

XCP_A12

G14

XCP_A13

G13

XCP_A14

G17

J12 XCP_A15

K12 XCP_A16

X1RTC

X2RTC D10

B11

XAG0

XAG1 A11

XAG2 E11

XAG3 D11

XBSWN B7

XCPTSTSTOP_CKO M12

B13 XCP_A0_BEON

VSSG10

VSSH7

VSSH11

VSS

VSSK6

E10

VSSA

E15

VSS_DPLL

VSSL10

VSSM7

VSS

J11

VSS

VSSL9

VSS

U16

VDDEN16

VDDEE16

E17

VDDE

VDD_DPLLG16

VRTCD8

VSSA2

VSSK7

VSS

C16

VDDAC11

VDDE

VDDEB14

VDDEM1

VDDEU2

VDDEP8

U15

VDDE

VDDG1

VDDR1

VDD

VDDT13

VDDR16

VDDR17

VDD

C12

RWN U5

TCK H13

TDI H12

F12

TDO

TMS G12

TRST F15

VDDE2

L17

VDD

DB#8

DB#9 N7

INT#0 N4

R12

IO7

K11

L12

NC1

RSTB

DB#14

DB#15 P10

DB#2 R6

DB#3 P6

DB#4

DB#5

DB#6 R7

DB#7

G15

DB#0 P5

DB#1

DB#10 N8

DB#11

DB#12 U11

T11

DB#13

R11

R13

AB#2

N11

AB#3

P11

AB#4

P12

AB#5

AB#6 R14

AB#7 T14

T17

AB#8

F17

CKI

U201

U13

AB#0

AB#1 M10

R205

C220

C211

VCCB

VBAT

C215

C214

VCCD

R203

C221 C222

VCC_1.8A

R217

VCCD

C216

TP206

C231

XLATCH_CS

JACK_IN

EAR_SWITCH

F_WP_

KEY_LED_EN

CP_TDO

CP_TDI

CP_TMS

CP_TCK

DSP_TDO

CP_CSROM2EN

YMU_LED

A(22)

BACKLIGHT_EN

CHG_DET

DSP_TCK

DSP_TDI

ICHRG

I2C_DATA

DLC_DETECT

DSP_TMS

LCD_CS

A(21)

DEBUG_DTR

DEBUG_RTS

DSP_AB(8:0)

UP_SDI

UP_SDO

TR_RST

DSP_AB(8)

KEY_ROW(4)

TR_RST

UP_SCLK

UP_CS

FLASH_RESET

VREF

DEBUG_DSR

TR_RST

DSP_DB(15:0)

D(0:15)

A(0:20)

KEY_ROW(0:4)

KEY_ROW(3)

KEY_ROW(2)

KEY_ROW(1)

KEY_ROW(0)

KEY_COL(0:4)

KEY_COL(4)

KEY_COL(3)

KEY_COL(2)

KEY_COL(1)

KEY_COL(0)

SIMDATA

SIMCLK

I2C_CLK

DEBUG_RI

DSP_IO

DSP_RWN

DSP_INT

TR_RST

CLK13M_TR

CLK32K

RTCALARM

BP_VF

CP_CSROMEN

CP_CSRAMEN

CP_WEN

CP_OEN

DEBUG_DCD

UPPER_BYTE

YMU_IRQ

SIMRST

PWR_KEEP

DEBUG_TXD

DEBUG_CTS

SDS_TXD

INTRQ

DEBUG_RXD

SDS_RXD

DSP_DB(1)

DSP_DB(10)

DSP_DB(11)

DSP_DB(12)

DSP_DB(13)

DSP_DB(14)

DSP_DB(15)

DSP_DB(2)

DSP_DB(3)

DSP_DB(4)

DSP_DB(5)

DSP_DB(6)

DSP_DB(7)

DSP_DB(8)

DSP_DB(9)

YMU_EN

D(1)

D(10)

D(11)

D(12)

D(13)

D(14)

D(15)

D(2)

D(3)

D(4)

D(5)

D(6)

D(7)

D(8)

D(9)

DSP_DB(0)

A(14)

A(15)

A(16)

A(17)

A(18)

A(19)

A(2)

A(20)

A(3)

A(4)

A(5)

A(6)

A(7)

A(8)

A(9)

D(0)

DSP_AB(0)

DSP_AB(1)

DSP_AB(2)

DSP_AB(3)

DSP_AB(4)

DSP_AB(5)

DSP_AB(6)

DSP_AB(7)

A(0)

A(1)

A(10)

A(11)

A(12)

A(13)

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SGH-X140 Flow Chart of Troubleshooting

2-6

This Document can not be used without Samsung's authorization

2-1-3. Sim Part

Check the voltage at

pin#1 of CN101 >=

2.8V ?

"Insert SIM is displayed on the LCD

Check the SIM

connector's (CN101)

connection to SIM card

Check the U101

Resolder or change CN101

END

Yes

Is there any signals

pin#2,#3,#6 of CN101 ? Check the U201

Check the SIM Card

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