Samsung B7620, B7620U Service Manual

GSM TELEPHONE

GT-B7620(B7620U common)

efrcom

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

Exploded View and Parts List

5-2.

Cellular phone Parts list

Design LOC Description SEC CODE

QAR01 AUDIO-RECEIVER

3009-001391 QBC00 ASSY COVER-BATT GH98-13675A QCA01 ASSY CAMERA-GT-B7620 GH96-04018A QCA02 ASSY CAMERA-GT-B7620 GH96-04014A QCR03 SCREW-MACHINE QCR67 SCREW-MACHINE QCR85 SCREW-MACHINE QCR85 SCREW-MACHINE QCR85 SCREW-MACHINE

6001-001811

6001-002083

6001-002097

6001-002097 QFR01 ASSY CASE-SLIDE FRONT GH98-13629A QFU01 ASSY CASE-SLIDE UPPER GH98-13627A QKP01 ASSY KEYPAD-MAIN(OPEN/ND) GH98-13634A QKP02 ASSY KEYPAD-SUB(OPEN/ND) GH98-13633A QLC01 ASSY LCD-B7620(AMOLED) GH96-04027A QME01 DOME SHEET-GT-B7620 GH59-07989A QME02 KEY FPCB-SUB KEY PBA(GT-B7620) GH59-08450A QME03 TOUCH/PANEL-GT-B7620(TMO_BLK) GH59-07998A QMP01 A/S ASSY-GT-B7620 MAIN PBA SVC GH82-04104A QMP02 ASSY PBA SUB-GT-B7620 GH92-06624A QPC01 ASSY ETC-SLIDE FPCB(GT-B7620) GH59-07997A QSH01 ASSY COVER-SHIELD CAN GH98-13674A QSP01 MODULE-SPEAKER+MOT(GT-B7620) GH59-07987A QST01 ASSY STYLUS PEN GH98-15065A QVK01 KEY FPCB-SIDE KEY(GT-B7620) GH59-07991A QVK02 K EY FPCB-CAM KEY(GT-B7620) GH59-07996A

QFL01 ASSY CASE-SLIDE LOWER GH98-13953A

QCR97 SCREW-MACHINE

6001-002262

QHI01 ASSY HINGE-SLIDE GTB7620 GH98-13631A

QHI02 ASSY HINGE-ACTUATOR GH98-14153A

QRE01 ASSY CASE-SLIDE REAR GH98-13630A

QCD01 NPR DECO-CAMERA5MEGA GH71-09099A QRF06 PMO COVER-USB GH72-54545A QSD01 PMO COVER-SD GH72-54546A QVO02 PMO DECO-KEY VOLUME GH72-54550A QVO01 PMO KEY-VOLUME DOUBLE GH72-54551A QCK02 PMO DECO-KEY CAMERA GH72-54552A QCK01 PMO KEY-CAMERA DOUBLE GH72-54553A QCK03 PMO KEY-GA_HOLD GH72-54554A

QCW01 PMO CASE-WIN CAMERA5MEGA GH72-54556A

QAN02 INTENNA-GT_B7620 GH42-02150A

5-2

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This Document can not be used without Samsung's authorization

MAIN Electrical Parts List

6.

SEC CODE Design LOC Description

0401-001144

0403-001547

0404-001172

0406-001231

0406-001237

0406-001254

0406-001267

0406-001369

0504-001113

0504-001138

0505-001518

0505-002088

0601-002268

0801-003016

0801-003065

0801-003130

0801-003136

0801-003200

0801-003213

0801-003265

0902-002440

1001-001461

1001-001481

1001-001580

1001-001612

1003-002047

1003-002185

1003-002234

1009-001035

1201-002147

1201-002581

1201-002733

1201-002740

1201-002888

D401 SUD492H

D801 TDZ5.6

D301 RB520S-30

ZD704,ZD705,ZD706 DF2S5.6FS(TPL3)

ZD707 DF2S5.6FS(TPL3)

ZD802,ZD803 ESDALC6V1-5M6

ZD801 UCLAMP0501P

ZD708 RCLAMP0521P

U803 RCLAMP3654P.TCT

Q401 DTC144EM

Q801 DTA114EM

Q701 SI1012R

Q301

LED801,LED802,LED803 AEOWU-VOYY

LED804 AEOWU-VOYY

U301,U412,U707 NC7SV08L6X

U302 TC7SH04FS

U305 NC7SV17L6X

U708 NC7SZ126L6X

U310 NC7SZ00L6X

U410 TC7SG08AFS(TPL3)

U303

UAP601 SC36410A8N-A040

U309 NLAST9431

U702,U703,U706 FSUSB42UMX

U802 FSA9480UCX

U801 FSA223UMX

U407 ISA1000

U304,U307,U604 NLSV1T34AMX1TCG

U203 TWL1200ZQCR

U602 HED58XXU12

U603 OPA360AIDCKR

F202 ALM-1412

U503 MAX9877EWP

PAM101 TQM7M5012

U103 SKY77187

SK3541

2

AUP1G74GM

74

6-1

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This Document can not be used without Samsung's authorization

Main Electrical Parts List

SEC CODE Design LOC Description

1201-002889

1201-002890

1203-002832

1203-004571

1203-004776

1203-004806

1203-004818

1203-004819

1203-005434

1203-005574

1203-005667

1203-005690

1203-005772

1203-005783

1204-003026

1205-003297

1205-003467

1205-003488

1205-003582

1209-001823

1209-001872

1404-001221

1405-001177

1405-001183

1405-001200

2007-001119

2007-001295

2007-001306

2007-003014

2007-007131

U104 SKY77186

U102 SKY77189

U405 R3111Q311C-TR

U701 RP150K002A-TR

U406,U411,U704 RP103K331D-TR

U501 RP100K281D-TR

U204 RP103K181D-TR

U413 RP103K281D-TR

U402 MAX8674EWN+

U601 RP103K121D-TR

U408 MAX8698EWO-T

U705 LP8720TLX-B

U409 MAX17040G-T

U401 MAX8845YETC

U201 SI4709-B-GMR

U101 RTR6285

U308 AAT4285IJS-3-T1

U502 AK4671EG

UCP301 MSM6290

U404 KXSD9-2042

U403 AK8973B

TH601 NCP15WB473J04RC

V601,V602,V603,V604 AVLC-5S-01-015

V605,V606 AVLC-5S-01-015

VR701,VR702,ZD501 AVLC5S01033

ZD502 AVLC5S01033

VR801,VR802,VR803 AVLC5S01100

VR804,VR805,VR806 AVLC5S01100

VR807,VR808,VR810 AVLC5S01100

VR811,VR813,VR817 AVLC5S01100

VR818 AVLC5S01100

R509,R515 RC1005J681CS

R623 RC1005J390CS

R431,R432 MCR01MZP5J151

R417 TSR16GJ244V

R407 RC1005F133CS

6-2

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Main Electrical Parts List

SEC CODE Design LOC Description

2007-007313

2007-007317

2007-007480

2007-007528

2007-007698

2007-007741

2007-007942

2007-007943

2007-008045

2007-008047

2007-008049

2007-008052

2007-008055

2007-008057

2007-008263

2007-008354

2007-008419

2007-008420

2007-008483

R504 RK73H1ETP6801F

R514 RK73H1ETP2201F

R406 RK73H1ETP1303F

R513 RK73H1ETP1501F

R403 RK73H1ETP5101F

R430,R501,R503,R505 M5534204B10E0R

R635,R637 RC-1005F105CS

R816 RK73H1ETP5603F

R301,R304,R305,R311 ERJ1GEJ101C

R321,R323,R329,R334 ERJ1GEJ101C

R335,R336,R337,R436 ERJ1GEJ101C

R438,R614,R615,R616 ERJ1GEJ101C

R617,R618,R619,R620 ERJ1GEJ101C

R645,R646,R704,R705 ERJ1GEJ101C

R713,R717,R813,R817 ERJ1GEJ101C

R818 ERJ1GEJ101C

C190,C191 RK73B1HTTB181J

R310 MCR006YZPJ202

R413,R414,R502,R613 ERJ1GENJ472X

R621,R622,R631,R632 ERJ1GENJ472X

R638,R639 ERJ1GENJ472X

R208,R313,R316,R325 ERJ1GENJ104X

R404,R405,R420,R421 ERJ1GENJ104X

R423,R428,R437,R603 ERJ1GENJ104X

R604,R605,R606,R607 ERJ1GENJ104X

R608,R609,R610,R611 ERJ1GENJ104X

R612,R640,R644,R707 ERJ1GENJ104X

R716,R732 ERJ1GENJ104X

R625 MCR006YZPJ151

R409 ERJ2RKF3001X

R425 ERJ2RKF224X

R105,R113,R114,R115 ERJ1GEJ102C

R116,R401,R649 ERJ1GEJ102C

R326,R328 RMC-1/20-330JPA

R339,R706,R803,R804 RMC1/20473JPA

R805,R806,R807 RMC1/20473JPA

6-3

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Main Electrical Parts List

SEC CODE Design LOC Description

2007-008516

2007-008531

2007-008579

2007-008588

2007-008647

2007-008766

2007-008774

2007-008798

2007-008806

2007-009084

2007-009115

2007-009154

2007-009155

2007-009157

2007-009158

2007-009165

2007-009168

2007-009201

2007-009315

2007-009361

2007-009402

2007-009408

2007-009420

2007-009766

2007-009805

2007-009807

2007-009838

2007-009954

2007-009964

2007-009969

R202,R302,R306,R307 ERJ1GEJ103C

R312,R419,R426,R427 ERJ1GEJ103C

R642,R815 ERJ1GEJ103C

R118,R809,R810,R811 MCR006MZPJ0100

R812 MCR006MZPJ0100

C192,C193 RMC1/20221JPA

R433,R434 MCR006YZPJ222

R801 RMC1/20K123JTP

R322 ERJ2RKF6041X

R119,R718,R719,R720 ERJ1GEJ2R2C

R721,R722,R723,R724 ERJ1GEJ2R2C

R725 ERJ1GEJ2R2C

R633,R634 MCR006YZPJ153

R327 RC0603J510CS

R319,R435 MCR006YZPJ105

C189,R314 RC0603J240CS

R519,R520 RMC1/20-120JTP

R415,R416,R708 MCR006YZPJ474

R318,R429,R624,R626 MCR006YZPF1003

R629 MCR006YZPF1003

R402 MCR006MZPF1503

R107,R109,R110,R112 ERJ2RKF24R9X

R648,R802 MCR006MZPJ563

C184 MCR006YZPJ300

R711,R712 RC0603J4R7CS

R411 MCR006YZPJ304

R516 RC0603F152CS

R111 ERJ1GEF222C

R104 RK73H1HTTC1202F

R106,R108 RC0603J5R1CS

R205,R206 RC0603F510CS

R317 ERJ1GEF9102C

R412 RK73H1HTTC1203F

R418 MCR006YZPF6802

R636 MCR01MZP5F44R2

R410 MCR006YZPF1201

6-4

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Main Electrical Parts List

SEC CODE Design LOC Description

2007-010030

2203-000233

2203-000254

2203-000278

2203-000359

2203-000386

2203-000679

2203-000725

2203-000812

2203-001017

2203-001239

2203-001259

2203-002668

2203-002709

2203-005138

2203-005234

2203-005281

2203-005288

2203-005444

2203-005446

2203-005682

R630 MCR01MZP5F6491

C1010,C1011,C1018 GRP1555C1H101J

C1024,C206,C415,C426 GRP1555C1H101J

C803,R203,R207 GRP1555C1H101J

C454 GRP155R71C103K

C528 GRP1555C1H100D

C404 GRP1555C1H151JD01E

C628,C629 GRP1555C1H150J

C630,C631 GRP1555C1H270J

C441 GRP155R71H392KA01E

C519,C526 GRP1555C1H330J

C210,R103 GRP1555C1H4R0C

C730,C731 GRP1555C1H820JD01E

L118 GRP1555C1H8R0DZ01E

C1001 C1005CG1H0R5BT

C627 C1005Y5V1C104ZT

C632

L204 GRP1555C1H1R2CZ01E

C1019,C143,C146,C198 GRP1555C1H1R5BZ01E

C1020,C110 GRP1555C1H1R0BZ01E

C224 GRP1555C1H3R0B

C180 GRP1555C1H2R7BZ01E

C1012,C1013,C112 GRP0335C1E330JD01E

C113,C115,C126,C167 GRP0335C1E330JD01E

C181,C182,C334,C354

04025

GRP0335C1E330JD01E

C182KAT2A

2203-005682

2203-005717

2203-005719

2203-005725

2203-005729

2203-005732

2203-005734

2203-005736

C533 GRP0335C1E330JD01E

C1006,C144,C199 GRP0335C1E270JD01E

C1005 GRP0335C1E390JD01E

C103,C107,C116,C117 GRP0335C1E220JD01E

C118,C129,C131,C132 GRP0335C1E220JD01E

C133,C142,C154,C159 GRP0335C1E220JD01E

C541,C542,C543,C544 CL03C150JAGC

C114,C121,C203,L125 GRP0335C1E680JD01E

C1016 GRM0335C1E820JD01D

C1022,C1023,C104 GRP0335C1E101JD01E

6-5

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Main Electrical Parts List

SEC CODE Design LOC Description

2203-005736

2203-005777

2203-005792

2203-005806

2203-005968

2203-006048

2203-006120

2203-006137

2203-006194

2203-006260

C106,C120,C123,C124 GRP0335C1E101JD01E

C127,C140,C149,C161 GRP0335C1E101JD01E

C162,C168,C172,C195 GRP0335C1E101JD01E

C196 GRP0335C1E101JD01E

C156,C165 CL03C010CA3GNNC

L124 CL03C1R5CA3GNNC

C1008,C139,C150,C178 GRP033R71C102KD01E

C313,C315,C317,C328 GRP033R71C102KD01E

C330,C353 GRP033R71C102KD01E

C805 CL05B472KBNF

C806 GRM155R71A104K

C212,C505,C513 GRP033R71C221KD01E

C534,C535 CL05B223KONC

C301,C304,C307,C329 GRP033R70J103KA01E

C332,C333,C346,C349 GRP033R70J103KA01E

C514,C626 GRP033R70J103KA01E

C536,C537 GRM155R61A224KE19E

2203-006305

2203-006324

2203-006379

2203-006399

2203-006423

C204,C732,C733,C734 CM03CG100J25AH

C735 CM03CG100J25AH

C215 GRM188R61A225KE19D

C509 GRP033R70J472KA01

C302,C305,C308,C316 GRM155R60J105KE19D

C318,C319,C320,C322 GRM155R60J105KE19D

C347,C403,C406,C412 GRM155R60J105KE19D

C453,C455,C507,C508 GRM155R60J105KE19D

C622,C706 GRM155R60J105KE19D

C101,C102,C105,C108 GRM33X5R104K6.3

C125,C148,C153,C158 GRM33X5R104K6.3

C163,C303,C306,C309 GRM33X5R104K6.3

C312,C314,C321,C323 GRM33X5R104K6.3

C324,C325,C326,C331 GRM33X5R104K6.3

C335,C337,C338,C340 GRM33X5R104K6.3

C342,C345,C348,C350 GRM33X5R104K6.3

C351,C424,C425,C429 GRM33X5R104K6.3

2203-006423

C430,C431,C432,C442 GRM33X5R104K6.3

6-6

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Main Electrical Parts List

SEC CODE Design LOC Description

2203-006423

2203-006462

2203-006556

2203-006562

C458,C460,C462,C501 GRM33X5R104K6.3

C504,C512,C529,C601 GRM33X5R104K6.3

C603,C604,C605,C606 GRM33X5R104K6.3

C607,C608,C609,C610 GRM33X5R104K6.3

C611,C612,C613,C614 GRM33X5R104K6.3

C615,C616,C617,C621 GRM33X5R104K6.3

C624,C625,C633,C634 GRM33X5R104K6.3

C701,C702,C703,C705 GRM33X5R104K6.3

C719 GRM33X5R104K6.3

C336 GRM033R60J333K

C176,C177,C310,C352 GRM0335C1E470JD01D

C531 GRM0335C1E470JD01D

C202,C420,C439,C443 CV05X5R105K10AH

C444,C445,C449,C450 CV05X5R105K10AH

C456,C457,C459,C461 CV05X5R105K10AH

C463,C525,C527,C530 CV05X5R105K10AH

C538,C539,C540,C801 CV05X5R105K10AH

2203-006562

2203-006642

2203-006665

2203-006668

2203-006674

2203-006707

2203-006824

2203-006838

2203-006839

2203-006841

2203-006872

C802 CV05X5R105K10AH

C1009,C151,C179 GRM033R71E331KA01D

C217 GRM0335C1E2R2CD01D

C327 GRM033R61A222K

L102,L103 CL03C3R3BA3GNNC

C532,L108,L109,L111 GRM0335C1E4R7C

L112 GRM0335C1E4R7C

C408,C433,C434,C435 CV105X5R475K10AT

C436,C437,C438 CV105X5R475K10AT

C219,C311,C451,C503 CL05A225KQ5NSNC

C511,C707 CL05A225KQ5NSNC

C201,C401,C618,C619 CL03A104KP3NNNC

C620,C635 CL03A104KP3NNNC

C213,C218,C222,C515 CV05X5R105K16AH

C517,C518,C520,C521 CV05X5R105K16AH

C522,C524 CV05X5R105K16AH

C417,C418,C419,C452 GRM155R60J225ME15D

2203-006872

C465 GRM155R60J225ME15D

6-7

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Main Electrical Parts List

SEC CODE Design LOC Description

2203-006896

2203-006979

2203-007165

2203-007210

2203-007270

2203-007271

2203-007279

2203-007317

2203-007369

2203-007393

2404-001339

2404-001381

2404-001474

2404-001557

C1025,C119,C155,C220 GRM033R71E121KA01D

C138,C160 CL03B103KP3NNNC

C164,C405,C416,C427 CL05A475KQ5NRNC

C502,C506,C510 CV03X5R224K06AH

C1007,C147,C175,C428 CL10A106KP8NNNC

C804 CL10A106KP8NNNC

C402,C407,C413 CL05A225KP5NSNC

C464,TA101 CV105X5R106M10AT

C447,C712 CV05X5R475M06AH

C211,C223,C440,C602 CL03A105KQ3CSNH

C708,C709,C710,C711 CL03A105KQ3CSNH

C713 CL03A105KQ3CSNH

C721 CL05A475KP5NRNC

TA301 TEESVJ1A475M8R

TA501 F981A106MMA

TA503,TA801 F951A476MPALZTQ2

TA502,TA504 TLCL336M006RTA

2703-001178

2703-001733

2703-001750

2703-001751

2703-002176

2703-002198

2703-002200

2703-002203

2703-002208

2703-002267

2703-002309

2703-002314

2703-002544

2703-002708

2703-002793

2703-002795

2703-002842

L127 LL1005-FH3N3S

L123 LL1005-FH8N2J

C183 LL1005-FH2N2S

L115 LL1005-FH3N9S

L126 CIH05T2N7SNC

L122 CIH05T10NJNC

C111 CIH05T18NJNC

C174 CIH05T15NJNC

C1017,L128,L129 CIH05T2N2SNC

L202 CIH05T4N7SNC

L407,L408 CIH05T82NJNC

L101 CIH05T47NJNC

L116 LQW15AN8N2H00D

C152 LQW15AN1N5C00D

L110 LQP03TN5N6J00D

C170,L104 LQP03TN22NG00D

L114 LLV0603-F2N2S

2703-002858

C187,L113,L117,L119 HK0603-4N7S-T

6-8

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Main Electrical Parts List

SEC CODE Design LOC Description

2703-002903

2703-002907

2703-002917

2703-002955

2703-002958

2703-002961

2703-003005

2703-003260

2703-003273

2703-003534

2801-004340

2801-004543

2804-001700

2804-001704

2804-001772

2804-001796

L120 LLV0603-F10NJ

C188,L206 LLV0603-F8N2J

C166 LQP03TN2N2B04D

L105,L106 MLG0603S33NJT

L107 CIH03T56NJNC

L807,L808,L810,L811 MLG0603SR10JT

C157,C169 LQP03TN2N4B04D

L401,L402,L403,L404 CIG21W2R2MNE

L405,L406 CIG21W2R2MNE

L701 LQM21PN2R2MC0D

L809 LQM21PNR47MC0D

OSC602 CX-101F(27MHZ)

OSC601 DSX321G(12MHZ,10PPM)

OSC302 SG-3040LC(32.768KHZ)

OSC603 SG-8002CESC(48MHZ,50PPM)

OSC201 SQ2O03840KEINC

OSC501 CSC3M192000EEVRS00

2809-001341

2901-001413

2901-001469

2904-001739

2904-001759

2904-001785

2904-001789

2904-001864

2910-000065

2910-000070

2910-000073

2911-000128

3301-001342

3301-001729

3301-001756

3301-001778

OSC301 TG-5005CE-33G-19.2MHZ

F701,F702,F703,F704 ICVE10184E070R101FR

F705,F706,F707 ICVE10184E070R101FR

F709,F710 AVRC-18S-03Q-007-010R

F104 FAR-F6KA-1G8800-L4AFH

F201 FAR-F6KA-1G5754-L4AAHZ

F102 FAR-F5KA-897M50-D4DCHZ

F106 FAR-F6KA-1G9500-D4DGHZ

F101 SAFEB2G14FB0F00

F103 SAYFP897MCA0B00

F107 SAYFP1G95AA0B00

F105 ACMD-7407-SG1

MOD101 LMSP43QL-771

L601 ACZ1005M-152-T

L201 BLM15AG102SN1D

L203,L301,L501 BLM15HG102SN1D

L801,L802,L803,L804 BLM03AG241SN1D

3301-001778

L805,L806 BLM03AG241SN1D

6-9

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Main Electrical Parts List

SEC CODE Design LOC Description

3301-001789

3301-001971

3404-001303

3705-001503

3709-001552

3711-006808

3711-006865

3711-007073

3711-007172

3711-007173

3722-002840

4202-001463

4302-001237

4709-001758

L208,L209 BLM15EG121SN1D

L702,L703,L704,L705 BLM03AG102SN1D

L812,L813,L814 BLM03AG102SN1D

TAC_HOLD,TAC_WnL LS12K2-T

RFS101 KMS-560

T/SIM801 SCHG1B0102-DIP

BTC801 KQ03SB1-3R

HEA702 AXT634124AW1

SOC100 AXT680124AW1

HEA501,HEA601 AXE610124

HEA602 AXE612124

IFC801 HY07-AB0700

ANT203 ODBTP3015

BAT401 ML414RU-TT49-TP1S

U202 SWB-T30

GH71-08731A ANT101,ANT102,ANT201 HJ-ICT-05

GH71-08731A ANT202 HJ-ICT-05

RES-Z0603-SH R308,R309,R320,R331 ORT-P RES-Z0603-SHORT-P

RES-Z0603-SH R408,R424,R439,R647 ORT-P RES-Z0603-SHORT-P

RES-Z1005-SH R517,R518 ORT-P RES-Z1005-SHORT-P

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

6-10

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Block Diagrams

7.

7-1.

Main Block Diagram

7-1

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PCB Diagrams

8.

IFC801

HY07-AB0700

3722-002840

8-1

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PCB Diagrams

8-2

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Flow Chart of TroubleShooting

9.

9-1.

Power On

Check the current consumption

Check consumption

Check the voltage

Power On

'

>100

TA801



mA

Yes

>3.1V

'

No

Binary Download

No

Check the battery

Yes

Check the voltage of C451

C451

=3.0V

Yes

Check the initial operation

Yes

END

No

Check the C451, TA801

D401, R426, R427&R428

9-1

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VF

VOVP_5.0V

ZD801

R426

D801

IF_CON_SENSE_USB

VREG_MSMP_2.6V

R427

TA801

VBAT

R428

BTC801

1

2

3

4

NC

5

NC

6

NC

7

NC

D401

1

3

4

2

5

LX1

LX2

LX3

SET1

SET2

SET3

PWREN

PWRON

PWRHOLD BUCK3

MR\

ONO\

RSO\

SCL

SDA

SRAD

LBOB

JIGON

REFBP

U408

F5

VCC_COIN

F1

IN1

G1

IN2

G6

IN3

A2

IN4

C1

IN5

C6

IN6

E2

BUCK1

F2

BUCK2

F4

F6

LDO1

B1

LDO2

A1

LDO3

A3

LDO4

A4

LDO5

A6

LDO6

B6

LDO7

D6

LDO8

E6

LDO9

D5

AGND1

E5

AGND2

D1

PGND1

G3

PGND2

G4

PGND3

VALIVE_1.2V_S3C VSD_VCC_3VVOTGI_1.2V_S3C VOTG_3.3V_S3C

LDO1

LDO2

5 0 0 1

C443

VMOVI_3V

LDO3

LDO4

LDO5

C444

C445

C456

VKEY_LED_3.3V

LDO7

C447

VCC_3.0V_PDAVRTC_3.0V_S3C

AP_N_RST_IN

VIBTONE_EN

LDO8

LDO9

C451

C450C449

Flow Chart of Troubleshooting

9-2.

initial

Initail Failure

'

TP_PS_HOLD=3.0V

Check the Frequency

R429

= 32.768

C629

=12

'

Yes

KHz

Yes

MHz

No

Check UAP601&U410

Check OSC302

Check OSC601

Yes

LCD Display OK?

Yes

Sound operation OK?

Yes

END

No

Check LCD part

No

Check Speaker part

9-3

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VCC_3.0V_PDA

PS_HOLD

AP_N_RST_IN

VCOIN_3.0V

C342

U410

1

INA

2

GND

3

INB OUTY

OSC302

1

VIO

C N

34

C

N

5

89

10

5

VCC

4

12

VCC

7

OUT

C

N

G

11

62

R436

AP_PS_HOLD

XTAL_12MHZ_IN

XTAL_12MHZ_OUT

R635

1

4

1 0 6

C S O

3

2

C628

C629

Flow Chart of Troubleshooting

9-3.

T-flash

Initail Failure

'

T-Flash Breakdown

Voltage of C458

There is any signal at

Pin6in T/SIM801

'

NG

No

<3V

No

Yes

Change T-Flash

Yes

Check U411

No

Check T/SIM801, ZD802&ZD803

Replace T/SIM801

9-5

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VBAT VREG_RFRX1_2.1V

VREG_USIM_3.0V

VCOIN_3.0V

R439

SD_DAT2_OUT SD_DAT3_OUT

SD_CMDOUT

SD_CLKOUT

SD_DAT0_OUT SD_DAT1_OUT

SIM_RST SIM_CLK

SIM_IO

SD_DET

2

6

D

B

M

I

R

S

T

V

VCC_3.0V_PDA

R803

OUT1

OUT2

OUT3

OUT4

OUT5

C403

6

1

R408

A6

A5

A7

C7

LDO4

B2

VTFLASH_3V

C801

R807

R806R802 R804

R805

5

4

5

4

3

O

I

ZD803

D

2

1

N

O

G

I

2

3

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

1

DAT2

2

CD|DAT3

3

CMD

4

VDD

5

CLK

6

VSS

7

DAT0

8

DAT1

9

VCC RST CLK RESERVED GND VPP I|O RESERVED SW COMMON NC NC NC NC NC NC NC NC NC NC NC NC NC NC

T/SIM801

C465

2

7

1

B

C

G

T

S

N I

T

U

O

A

B

C

B

V

A1

IN1

F1

IN2

A4

H5

6

5

4

O

I

ZD802

D

1

N O I

G

1

2

U402

IN3

IN4

VREG_USIM_3.0V

R801

4

3 O

I

2 O

I

3

C802

TFLASH_EN

VBAT

C457

4

VDD1VOUT

3

CE

U411

VTFLASH_3V

2

D

GND

N G

5

C458

Flow Chart of Troubleshooting

9-4.

SIM

Insert SIM card

SIM CARD Breakdown

No

Voltage of C403

There is any signal at

Pin11in T/SIM801

Replace T/SIM801

<3V

No

Yes

Change SIM CARD

Yes

Check U402

No

Check T/SIM801, ZD802&ZD803

9-7

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VBAT VREG_RFRX1_2.1V

VREG_USIM_3.0V

VCOIN_3.0V

R439

C465

2

7

1

B

C

G

T

S

T

U

A

B

V

A1

IN1

F1

IN2

A4

H5

U402

IN3

IN4

C403

R408

2

6

D

B

N

M

I

R

S

O

T

V

C

V

A6

OUT1

A5

OUT2

A7

OUT3

C7

LDO4

OUT4

B2

OUT5

VREG_USIM_3.0V

VTFLASH_3V

VCC_3.0V_PDA

C801

SD_DAT2_OUT SD_DAT3_OUT

SD_CMDOUT

SD_CLKOUT

SD_DAT0_OUT SD_DAT1_OUT

SIM_RST SIM_CLK

SIM_IO

SD_DET

6

1

5 O

I

ZD802

1 O

I

R801

R803

R805

R807

R806R802 R804

T/SIM801

1

DAT2

2

CD|DAT3

3

CMD

4

VDD

5

CLK

6

VSS

7

DAT0

8

DAT1

9

VCC

10

RST

11

CLK

12

RESERVED

13

GND

14

VPP

15

I|O

16

RESERVED

17

SW

18

COMMON

19

NC

20

NC

21

NC

4

5

4

3

4

O

I

6

5

3

5

4

O

I

ZD803

D

2

N

O

G

I

2

3

C802

D

2

1

N

O

I

G

1

I

2

3

22

NC

23

NC

24

NC

25

NC

26

NC

27

NC

28

NC

29

NC

30

NC

31

NC

32

NC

Flow Chart of Troubleshooting

9-5.

Charging

Abnormal Charging operation

Yes

Check IFC801's pin

is about5Vwhen charging

Check U401's pin

is about5Vwhen charging

#1

Yes

#11

Yes

No

Check the TA

No

Check the U802

Check U401's pin

is"LOW" when charging

#4, #11

Yes

END

No

Check the U401

9-9

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10

11

12

987

MIN

CHG

IN

SAFEOUT

SETI

+

123

BATT

MAX8845Z

DETBAT

TA_ISET

VF

CHG_EN

ABO

POK

GND

ABI

EN

6

5

4

R407

TP_CHG

VOVP_5.0V

13

GND

14

NC

15

NC

1

SETI

2

DETBAT

3

ABI

12

VUSB_5.0V

10

11

T

N

I

U O E

F A S

U401

N E _

5

4

VCC_3.0V_PDA

C413

G H C

_

9

MIN

8

BATT

7

_ABO

K

D

O

N

P

G

_

VBAT

R404

CHG_ING_N

6

R409

R410

C461