Samsung E1390 Service Manual

GSM TELEPHONE

GT-E1390

GSM TELEPHONE

CONTENTS

Safety Precautions

1.

Specification

2.

Product Function

3.

Array course control

4.

Exploded View and Parts list

5.

MAIN Electrical Parts List

6.

Block Diagrams

7.

PCB Diagrams

8.

Chart of Troubleshooting

9.

Reference data

10.

Disassembly and Assembly

11. Instructions

Safety Precautions

1.

Repair Precaution

1-1.

Repair in Shield Box, during detailed tuning. Take specially care of tuning or test, because

―

specipicty of cellular phone is sensitive for surrounding interference(RF noise).

Be careful to useakind of magnetic object or tool, because performance of parts is damaged by

―

the influence of magnetic force.

Surely useastandard screwdriver when you disassemble this product, otherwise screw will be

―

worn away.

Useathicken twisted wire when you measure level.

―

thicken twisted wire has low resistance, therefore error of measurement is few.

A

Repair after separate Test Pack and Set because for short danger(for example an overcurrent

―

and furious flames of parts etc) when you repair board in condition of connecting Test Pack and

tuning on.

Take specially care of soldering, because Land of PCB is small and weak in heat.

―

Surely tune on/off while using AC power plug, becausearepair of battery charger is dangerous

―

when tuning ON/OFF PBA and Connector after disassembling charger.

Don't use as you pleases after change other material than replacement registered on SEC System.

―

Otherwise engineer in charge isn't charged with problem that you don't keep this rules.

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Safety Precautions

ESD(Electrostatically Sensitive Devices) Precaution

1-2.

Several semiconductor may be damaged easily by static electricity. Such parts are called by ESD

Electrostatically Sensitive Devices), for example IC,BGA chip etc. Read Precaution below.

(

You can prevent from ESD damage by static electricity.

Remove static electricity remained your body before you touch semiconductor or parts with

―

semiconductor. There are ways that you touch an earthed place or wear static electricity prevention

string on wrist.

Use earthed soldering steel when you connect or disconnect ESD.

―

Use soldering removing tool to break static electricity.,otherwise ESD will be damaged by static

―

electricity.

Don't unpack until you set up ESD on product. Because most of ESD are packed by box and

―

aluminum plate to have conductive power,they are prevented from static electricity.

You must maintain electric contact between ESD and place due to be set up until ESD is

―

connected completely to the proper place oracircuit board.

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Specification

2.

2-1.

GSM General Specification

Freq. Band[MHz]

Uplink/Downlink

ARFCN range 0~124 & 975~1023 512~885

Tx/Rx spacing 45MHz 95MHz

Mod. Bit rate/

Bit Period

Time Slot Period/Frame

Period

EGSM 900 DCS1800

880~915 925~960

270.833kbps

3.692us

576.9us

4.615ms

1710~1785 1805~1880

270.833kbps

3.692us

576.9us

4.615ms

Modulation 0.3GMSK 0.3GMSK

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

Power Class

Sensitivity -102dBm -100dBm

TDMA Mux 8 8

Cell Radius 35Km 2Km

max

(

4

+33

dBm)

max

(

1

+30

dBm)

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Specification

2-2.

GSM TX power class

TX Power

control level

533±2

631±2

729±2

827±2

925±2

10 23±2

11 21±2

GSM900

dBm

TX Power

control level

0 30±3

1 28±3

2 26±3

3 24±3

4 22±3

5 20±3

6 18±3

DCS1800

dBm

12 19±2

13 17±2

14 15±2

15 13±2

16 11±3

17 9±3

18 7±3

19 5±3

dBm

7 16±3

8 14±3

9 12±4

10 10±4

11 8±4

12 6±4

13 4±4

14 2±5

15 0±5

dBm

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Operation Instruction and Installation

3.

Main Function

Simple Look Bar Design

•

1.63”, 128

•

Dual Speaker

•

Micro SD

•

SMS/MMS

•

Phonebook

•

WAP

•

SOS Message/Mobile Tracker

•

No SIM Mode

•

FM Radio/Recording

•

x128 TFT

EA

1000

JAVA Supported

2.0,

65K

Color

2.0 /

Fake Call

/

Mobile

Prayer

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Array course control

4.

Software Adjustments

4-1.

Test Jig(GH99

RF Test Cable(GH

-36900

39-00985

A)

Test Cable(GH

Adapter(GH99-38251A)

39-01160

A)

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Array course control

Software Downloading

4-2.

4-2-1.

•2

4-2-2.

•

Downloading Binary Files

binary files for downloading E2100B.

E2100BXAHK4.cla

.

E2100BXAHK4.tfs

.

Pre-requsite for Downloading

Downloader Program:(Nor Downloader v0.4 Lite for PNX5230.exe

GT-E1390BMobile Phone

JIG BOX

Test Cable

Serial Cable

)

Binary files

•

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Array course control

4-2-3.

1.

PNX5230.exe

S/W Downloader Program

Load the binary download program by executing the“Nor Downloader v0.4 Lite for

”.

Select the Port, Baud Rate and Mode

2.

.

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Array course control

Select the binary fileswhat you want to download

3.

ress the"Start"button and connect the Handset

4. P

4-4

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ress the"Download"butto

5P

Array course control

n.

When downloading is complete, automatically the small window was showed up.

6.

4-5

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Exploded View and Parts List

5.

5-1.

Cellular phone Exploded View

QFR01

QAR01

QVO01

QKP01

QCR12

QLC01

QVK01

QMW02

QIF01

QME01

QMI01

QMP01

QMO01

QSP01

QRE01

QCR101

QSH01

QAN02

QBA01

QBA00

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Exploded View and Parts List

5-2.

Cellular phone Parts list

Design LOC Description SEC CODE

QAN02 INTENNA-GTE1410 MAIN GH42-01834A

QAR01 AUDIO-RECEIVER

3009-001349

QBA00 PMO COVER-BATTERY GH72-54187A

QBA01 INNER BATTERY PACK-1000MAH,BLK,ENG,EU GH43-03184A

QCR101 SCREW-MACHINE

QCR12 SCREW-MACHINE

QLC01 LCD-GTE1410

QME01 DOME SHEET-MAIN

CSTN LCD GH07-01316B

1.63

KEY(GT-E1420) GH59-07791A

21

6001-002005

6001-001530

QMI01 MICROPHONE-ASSY-GT-E1390B GH30-00602A

QMO01 MOTOR DC-SCH-S369 GH31-00392A

QMP01 A/S ASSY-PBA MAIN,GT_E1390,INS,INDA(SVC GH82-03968A

QRE01 ASSY CASE-REAR GH98-10958A

QSH01 ASSY COVER-SHIELD CAN GH98-10957A

QSP01 ASSY ETC-GTE1410 SPK BRAKET ASS'Y GH59-06609A

QVK01 KEY FPCB-GTE1410 VOL KEY FPCB GH59-06564A

QVO01 ASSY KEY-VOLUME GH98-13360A

QFR01 ASSY CASE-FRONT_INDA GH98-14454A

QMW02 PMO WINDOW-MAIN GH72-54181A

QIF01 PMO COVER-IF GH72-54182A

QKP01 ASSY KEYPAD-(INU/HAA) GH98-14077A

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MAIN Electrical Parts List

6.

Design LOC SEC CODE Discription

D301

ZD500

U500

ZD400

ZD401

ZD402

ZD403

ZD405

ZD407

ZD503

U302

U501

U503

U505

U507

U509

U511

U513

U515

UME200

U400

U102

U303

U301

U100

UCP200

U101

TH300

R306

R310

R200

R201

R307

R312

R400

R409

0403-001749

0406-001286

0406-001288

0407-001002

0601-002070

1108-000224

1201-002886

1201-002931

1203-005235

1203-005686

1204-002979

1205-003238

1205-003310

1404-001221

2007-000141

2007-000143

2007-000148

DIODE-ZENER

DIODE-TVS

DIODE-ARRAY

LED

MEMORY

IC

THERMISTOR

R-CHIP

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Main Electrical Parts List

Design LOC SEC CODE Discription

R304

R305

R314

R309

R308

R315

R316

R317

R100

R104

R505

R506

R501

R502

R108

R109

R203

R401

R402

R407

R408

R202

U517

U523

U525

U531

R405

R406

U527

U529

R204

R205

R303

R500

R515

R403

R404

2007-000151

2007-000152

2007-000159

2007-000162

2007-000164

2007-000170

2007-000172

2007-000173

2007-000242

2007-000758

2007-001217

2007-001292

2007-001301

2007-001319

2007-001333

2007-002796

6-2

R-CHIP

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U519

U521

R311

R301

R302

R313

C500

C213

C404

C412

C413

C106

C313

C315

C107

C108

C110

C220

C221

C120

C207

C141

C142

C103

C111

C201

C203

C211

C323

C400

C401

C402

Main Electrical Parts List

Design LOC SEC CODE Discription

2007-007009

2007-007589

2007-007592

2007-008354

2203-000233

2203-000254

2203-000278

2203-000386

2203-000425

2203-000438

2203-000679

2203-000696

2203-000812

R-CHIP

C-CERAMIC,CHIP

C409

C410

C408

C418

2203-000812

2203-000854

2203-000995

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C-CERAMIC,CHIP

Main Electrical Parts List

Design LOC SEC CODE Discription

C424

C428

C140

C415

C423

C427

C102

C118

C403

C407

C112

C135

C219

C214

2203-000995

2203-005052

2203-005057

2203-005061

2203-005481

2203-005482

2203-005483

2203-005496

C-CERAMIC,CHIP

C215

C301

C200

C204

C206

C212

C217

C318

C331

C421

C425

C327

C416

C417

2203-005496

2203-006048

2203-006090

2203-006137

C-CERAMIC,CHIP

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Main Electrical Parts List

Design LOC SEC CODE Discription

C419

C420

C300

C303

C305

C312

C317

C326

C316

C314

C503

C325

C329

C202

C205

2203-006190

2203-006257

2203-006324

2203-006348

2203-006361

2203-006399

C-CERAMIC,CHIP

C208

C209

C210

C306

C307

C319

C406

C308

C311

C324

C328

C330

C332

C222

C302

2203-006399

2203-006562

2203-006681

2203-006824

C-CERAMIC,CHIP

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Main Electrical Parts List

Design LOC SEC CODE Discription

C405

C304

C414

C422

C426

C105

C216

C218

C321

C322

C501

C502

C309

2203-006824

2203-006825

2203-006841

2203-006872

2203-007271

C-CERAMIC,CHIP

C127

C411

L105

L106

L402

L403

C109

R410

R411

L108

L300

L500

2203-007279

2404-001377

2703-001726

2703-002206

2703-002269

2703-002314

2703-002365

2703-003258

2703-003476

C-CERAMIC,CHIP

C-TA,CHIP

INDUCTOR-SMD

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Design LOC SEC CODE INDUCTOR-SMD

Main Electrical Parts List

OSC300

OSC100

F101

L400

L401

L501

L502

L503

L504

L100

RFS100

SD300

SIM300

IFC500

BTC300

2801-003856

2801-004805

2904-001879

3301-001885

3301-001917

3301-001970

3705-001503

3709-001394

3709-001447

3710-002683

3711-006808

CRYSTAL-UNIT

FILTER-SAW

CORE-FERRITE BEAD

CONNECTOR-COAXIAL

CONNECTOR-CARD EDGE

CONNECTOR-SOCKET

CONNECTOR-HEADER

Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list.

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Block Diagrams

7.

7-1.

Main Block Diagram

7-1

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Block Diagrams

7-2.

RF Solution Block Diagram

7-2

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PCB Diagrams

8.

Top

8-1

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PCB Diagrams

Bottom

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9. Flow Chart of Troubleshooting

9-1.

Power On

Power On'does not work

'

Check the Battery Voltage

is more than

C3

Check the Clock at

VISA

17(

OSC300

Yes

3.3V

Yes

)=2.7

Yes

KHZ

=32

Yes

V?

No

Change the Battery

No

Check the PMU related to VINT

No

Resolder OSC300

C300(+VDD_IO_LOW

C3

VDD_IO_HIGH

03(+

VDD_GSM_CORE_1.2V)

C327(+

Check for the clock at OSC100

Check the initial operation

=1.2

=26

_1.8V) = 1.8

&

_2.9V) =2.9V?

Yes

V?

Yes

MHz

Yes

V?

No

Check the related circuit

Check the+VDD_GSM_CORE circuit

Check the clock generation circuit

elated to U101

(R

)

END

9-1

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Flow Chart of Troubleshooting

TTAB_V

TTAB_SEM

103C

V9.2_HGIH_OI_DDV+

V6.2_DDVA+

V3.3_BSU_DDV+

313C

2

513C

3

TNI_UMP

nFFOMIS

NOTSR

UMP_NO_FER

TIGID_zHK23

303C

503C

803C

003CSO

1

4

603R

103R

203R

V2.1_LLP_DDV+

213C

9

8

7

6

5

4

3

2

1

0

9

6

8

5

T

D

C

A

D

N

1

2

3

4

5

6

7

8

9

01

11

21

31 75

B

V

ICSO

V

C

1

L

D

OCSO

QRI_

CHKCMIS

CHSRMIS_

FFOMIS_|CHOIMIS

CHTSR_

3OPG

2OPG

PG

1O

1NERWP

2NERWP

K

D

2 3

D

SSV

K

V

6

5

4

L

SSV

D

C

7

6

5

4

1

5

1

4

5

T

D

D D V 1 D

D

A

D

B

V

3

2

V

P

O I

D

L

D

303U

T

A

D

B

D

X

V

L

V

D

L

A

C

D

S

D

9

8

3

2

1

0

1

5

2

0

4

E

D

C

D

V

D

C

D

93

A

V

SSV

2

1

S

C

M

I

F

V

H

S

R

83

GHCV

73

NIVBSU

63

RUCGHC

53

2CER_

43

1CER_

33

ESNESTABV

23

ASIV

13

DNGFER

03

CFER

92

SAIBCIM

82

D D C K C M I S

3 2

YEKNO_

C

D

S

C

N

R

O I

M I S

4 2

72

E

CTN

M

I

M

I

S

_

S

6

5

4

2

5

503R

V8.1_WOL_OI_DDV+

003C

203C

403C

603C

703C

413C

713C

813C

NYEKNO

803R

913C

V8.1_WOL_OI_DDV+

V2.3_DS_DDV+

V0.3_CCV_MIS+

V8.2_XT_XR_DDV+

+

V8.2_NYS_DDV

V0.5_EGRAHC_TXE_V

V0.5_SUBV

NI_KCAJ

NO_XUA

TTAB_V

613C FU2.2

V01

V

3.3_BIV_DDV+

423C

V6.2_AFH_DDVA+

623C

V3.3_YEK_DDV+

823C

003L

723C

LCS

ADS

TTAB_V

523C

V2.1_EROC_MSG_DDV+

CIMP

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Flow Chart of Troubleshooting

9-2.

Initial

Initial Failure

Yes

UCP

Check the16bit data signal

pin C11="H"?

200

Yes

UCP

RSTEXTn)="H"?

(

&

200

Yes

memory CE

F1

No

Check the circuit related to reset

change UCP

200

END

Yes

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Flow Chart of Troubleshooting

V6.2_DDVA+

112C

012C

)32:81(AH

)81(AH )91(AH )02(AH )12(AH )22(AH )32(AH

)0(AH )1(AH

L_MF

R_MF

TTAB_SEM FV TCUDORP_PMET

V8.1_WOL_OI_DDV+

PMAR

1

0

2

2 R

2DXR 2STC TNI_UMP

SR_EDOM

N_CIMXUA

R

P_CIMXUA

DI_DCL

TESER_DCL

nTIAW

TSRUBKLC

2ST

R

202R

2DXT

HCTIWS_RAE NE_PMA

TNI_MF 1DXR NE_MF

NE_LB_DCL

)42(AH

TSR_TB

P_RFH N_RFH

)51:0(DH

)71:2(AH

412C

DMC_DS KLC_DS ATAD_DS

NO_FER TESER_CIFR

nFFOMIS

)0(DH )1(DH )2(DH )3(DH )4(DH )5(DH )6(DH )7(DH

8(DH

) )9(DH

)01(DH )11(DH )21(DH )31(DH )41(DH )51(DH

)2(AH

3(AH

) )4(AH )5(AH )6(AH )7(AH )8(AH )9(AH

)01(AH )11(AH )21(AH )31(AH )41(AH )51(AH )61(AH )71(AH

212C

8

4

7

8

9

U

D

G

M

2

P

C

B

A

P

D

B

4C

V

D

81DDA

D

V

D

5R

V

91DDA

5G

02DDA

1P

12DDA

1N

22DDA

2G

32DDA

3A

N_0EB_0DDA

2B

N_2EB_1DDA

71N

LNA

81N

R

NA

512C

1J

1CDAXUA

1K

2CDAXUA

2K

3CDAXUA

2L

4CDAXUA

1L

5CDAXUA

31U

1CADXUA

31V

2CADXUA

41V

3CADXUA

81M

NCIMXUA

71M

PCIMXUA

2N

0AOIPG

9R

1AOIPG

9T

2AOIPG

61N

3AOIPG

4G

4AOIPG

5J

5AOIPG

5F

6AOIPG

3P

7AOIPG

3R

8AOIPG

4N

9AOIPG

9P

01AOIPG

8T

11AOIPG

11T

21AOIPG

21U

31AOIPG

41P

41AOIPG

61R

51AOIPG

11U

61AOIPG

51R

71AOIPG

11V

81AOIPG

11R

91AOIPG

51T

02AOIPG

81U

12AOIPG

81R

22AOIPG

81T

32AOIPG

21P

42AOIPG

41N

52AOIPG

21R

62AOIPG

71U

72AOIPG

31P

82AOIPG

41T

IPG

92AO

41R

03AOIPG

21T

13AOIPG

2P

2BOIPG

11P

5BOIPG

61T

8BOIPG

71T

9BOIPG

31R

01BOIPG

21V

11BOIPG

5E

0NOPG

4F

1NOPG

6P

0PDH

5T

1PDH

5P

2PDH

7P

3PDH

2R

4PDH

1T

5PDH

1U

6PDH

3T

7PDH

2T

H

8PD

7R

9PDH

2V

01PDH

8P

11PDH

2U

21PDH

7T

31PDH

8R

41PDH

6R

51PDH

1R

61PDH

3U

71PDH

81B

1RFH

81C

2RFH

7D

0OI

6A

1OI

6B

2OI

6D

3OI

7A

4OI

5B

5OI

7E

6OI

5A

7OI

4D

8OI

5D

9OI

4E

01OI

7C

11OI

4B

21OI

5C

31OI

3D

41OI

4A

51OI

3F

61OI

1D

71OI

3C

81OI

2C

91OI

3G

02OI

1B

12OI

2D

22OI

2E

32OI

3N

42OI

1C

52OI

3B

62OI

4M

72OI

2F

82OI

3E

92OI

4J

03OI

2

4K

C

A

C

13OI

D

N

G

1

8

9

6

1

E

C

H

A

V2.1_LLP_DDV+

502C

2

9

7

5

7

8

1

V

H

E

M

J

G

M

C

U

C

D

G

D

C

V

D D V

C

D

N

G

1

0

7

0

1

8

9

1

J

M

J

H

K

1

0

5

9

8

1

2

7

9

8

1

A

H

D

B

G

A

G

1

K L C D D V

C D N G

1

E

D

V

C

E

D

N

G

1

0

7

9

6

9

8

3 V

1

C

B

K

E

K

C

V8.1_WOL_OI_DDV+

V2.1_EROC_MSG_DDV+

V9.2_HGIH_OI_DDV+

V3.3_BSU_DDV+

702C

602C

0

1

2

0

3

2

7

1

J

L

1

E

D

V

7

6

4

1

T

K

B

T

H

K

R

M

1

2

1

3

2

R

E

P

D

1

D

1

D

E

D

V

D

V

002PCU

K

B

1

5

L

4

E

B

D

A

C

A

D

S

N

S

G

V

G

8

0

9

8

1

L

K

V

G

V

G

V

G

6

1

2

3

7

8

4

9

1

V

U

A

U

M

L

U

V6.2_AFH_DDVA+

V0.3_CCV_MIS+

V6.2_DDVA+

802C

902C

5

7

5

1

V

F

U

A

1

F

B

O

_

E

V

B

4

R

D

V

E

D

61J

D

V

D

IKLCISI

D

V

61H

V

OKLCISI

51H

0LXPISI

51G

1LXPISI

61C

2LXPISI

71D

3LXPISI

71F

4LXPISI

71G

5LXPISI

61G

6LXPISI

41G

7LXPISI

41H

HISI

71C

VISI

31E

0LOCK

81J

1LOCK

41L

2LOCK

51L

3LOCK

51M

4LOCK

71J

0WORK

41K

1WORK

71H

2WORK

51K

3WORK

81H

4WORK

51E

0DIDP

61D

1DIDP

61E

2DIDP

41A

3DIDP

51D

4DIDP

61B

5DIDP

71B

6DIDP

51C

7DIDP

51B

8DIDP

31D

9DIDP

41D

01DIDP

41C

11DIDP

41B

21DIDP

21E

31DIDP

31A

41DIDP

31C

51DIDP

31B

N_C_DIDP

41M

1ODFR

61M

0NEFR

71R

0GISFR

51P

1GISFR

71P

2GISFR

81P

6GISFR

51N

7GISFR

01U

NCBSU

01T

MDBSU

01V

PDBSU

6U

NI

6V

PI

5U

NQ

5V

PQ

01D

DD

01E

UD

01B

TSTIKC

11D

LCD

9E

CSF

3L

LESJ

01A

I23KLC

61P

1KLCFR

8V

KLCM

11B

LESKLCM

61A

KLCMIS

61F

OIMIS

41F

RWPMIS

2J

KCTR

61L

LCS

51J

2LCS

41J

ADS

61K

2ADS

2H

KCT

1E

IDT

3K

ODT

3J

SMT

01P

1DXT

51V

FERV

5M

N_VDA

4L

N_1EB

4P

N_3EB

5K

N_0SC

4H

N_1SC

5N

N_3SC

4R

N_W_R_N_EO

21D

N_1SCIDP

21B

N_2SCIDP

21A

N_DRIDP

11E

N_RWIDP

1F

N_TESER

11C

N_BBTSR

21C

N_TXETSR

41E

N_TSRMIS

3H

N_TSRT

5L

E_N_EW

9U

KCOLNU

61V

SAIBCIM

81L

N

CIM

71L

PCIM

81E

1RAE

81F

2RAE

1A

CN

81A

CN

1V

CN

81V

CN

1

CN

2

CN

F

O

E

1

B

V

R

V

D

S

V

8

4

8

1

H

U

D

G

)0(LOC_YEK )1(LOC

_YEK

)2(LOC_YEK )3(LOC_YEK )4(LOC_YEK

)0(WOR_YEK )1(WOR_YEK

2(WOR_YEK

) )3(WOR_YEK )4(WOR_YEK

FN86912C

)4:0(LOC_YEK

)4:0(WOR_YEK

ATAD_FR

NE_FR

NE_YBDTS_DOM

_NOP

AP

LES_DNAB

HTNYS_NOP

302R

NI_X

T_XR

PI_XT_XR

NQ_XT_XR PQ_XT_XR

DD UD

LCD CSF

TIGID_zHK23

KLC_FR

KLC_FER_D

KLC_MIS

OI_MIS

KCTR

n1EB

nEO

022C

nTXETSR

IS

TSR_M

nEW

N_CIM P_CIM

222C

1RAE 2RAE

-D_BSU +D_BSU

V8.1_WOL_OI_DDV+

V9.2_HGIH_OI_DDV+

402R

502R

LCS

KCT IDT ODT SMT

1DXT

nVDA

V8.1_WOL_OI_DDV+

NOTSR

nTSRT

V51.2_SAIB_CIM+

ADS

HSALFS

CN

MARSCN SC_DCL

122C

DNABESAB

C330

2 0 5

R316R317

C 2 2 1

C208

1 2

R307

C

2

UCP200

C 2 2 0

R 2 0 2

C

C 2 1 0

C

2

1

0

1

6

7

R

C

2

0

3

4

C

2

1

0

9

0

9-4

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

C

2

3

0

2

9

3

C 4 2 2

C419

C416

C420

C417

C

4

2

1

8

C

R

4

2

0 9

4

C409

C401

C

2 0

2

3

2 2

C

2

1

5

4

Flow Chart of Troubleshooting

9-3.

Charging Part

Charging Function does not work.

Check the U303 pin

Check the

>4.9V

U303

3.7V

≒

END

Yes

38

46

No

Check the circuit related to

V_EXT_CHARGE

Resolder or replace

U303

Related Circuit and Block Diagram are same to Power-On Sequence's one.

#

9-5

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-4.

Sim Part

Check SIM_CLK(SIM300pin

Phone can't access SIM Card

Yes

SIM300 R307="H"?

Yes

After Power ON,

32.768

kHz

Yes

3) =

?

No

Resolder or replace

Replace UCP20

U303

0

After SIM card insert,

SIM300 pin

2="

Check the SIM Card

END

H(SIM_RST)"?

Yes

No

Replace PBA

9-6

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This Document can not be used without Samsung's authorization