Samsung b7300b Service Manual

GSM TELEPHONE

GT-B7300B

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. Flow Chart of Troubleshooting

9. Reference data

10. Disassembly and Assembly

11.

instructions

MAIN Electrical Parts List

SEC CODE Design LOC Discription

0401-001144 0403-001688 0404-001089 0404-001172 0404-001317 0406-001231 0406-001231 0406-001231 0406-001231 0406-001267 0406-001369 0406-001375 0504-001138 0505-002088 0505-002268 0601-001905 0801-003016 0801-003022 0801-003200 0801-003265 0801-003271 0902-002440 1001-001394 1001-001461 1001-001483 1001-001580 1003-002047 1003-002185 1201-002856 1201-002864 1201-002887 1201-002889 1201-002961 1203-003924 1203-004043 1203-004571 1203-004606 1203-004806 1203-004845 1203-004925 1203-005250 1203-005434 1203-005667

D500,D501,D502,D503 DF2S5.6FS(TPL3) D504,D505,D700,D701 DF2S5.6FS(TPL3)

D702,D704,D705,ZD400 DF2S5.6FS(TPL3)

ZD702,ZD705,ZD714 DF2S5.6FS(TPL3)

D400 SUD492H ZD401 USFZ5.6V-RTK/H ZD605 RB551V-30

D300 RB520S-30

D600

ZD604 RCLAMP0521P

U608 RCLAMP3654P.TCT

D602,D603,D604 UCLAMP0501T

Q600 DTA114EM

TR300,TR400

U701,U702 NTJD4001NT1G

LED700 SSC-THBTGFR421

U302 NC7SV08L6X

U100 NC7SV04L6X

U304 NC7SZ00L6X

U300

U800

UCP800 SC36410A8N-A040

U400 NLAS5123MNR2G

U600 NLAST9431

U703 FSUSB31L8X

U601 FSA9480UCX

U605 ISA1000

U301,U801,U802 NLSV1T34AMX1TCG

U200 ALM-1712-SG1

U501 MAX9877AERP-T

PAM103 SKY77188 PAM101 SKY77186 PAM100 TQM7M5012H

U402 XC61CN3202NR

U606 XC6401FF35ER

U603 RP150K002A-TR

U202 XC6401EE23DR

U500 RP100K281D-TR

U607 TPS61161DRVR

U203 RP103K301D-TR

U604 MIC5335-MGYMT

U401 MAX8674EWN+

U404 MAX8698EWO-T

6-1

PS79SB10

SK3541

AUP1G74GM

AUP2G08GM

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Main Electrical Parts List

SEC CODE Design LOC Discription

1203-005689 1204-003026 1205-003297 1205-003467 1205-003726 1205-003916 1209-001823 1404-001221 2007-000138 2007-000139 2007-000140 2007-000149 2007-000162 2007-000170 2007-001119 2007-001285 2007-001290 2007-001291 2007-001295 2007-001298 2007-001307 2007-001339 2007-003014 2007-003022 2007-007107 2007-007132 2007-007139 2007-007309 2007-007313 2007-007317 2007-007318 2007-007480 2007-007529 2007-007698 2007-007741 2007-007798 2007-007943 2007-008045 2007-008045 2007-008045 2007-008045 2007-008049 2007-008052

U403 MAX8844YETD-T

U201 SI4709-B-GMR

U101 RTR6285

U303 AAT4285IJS-3-T1

UCP300 MSM6246

U502 AK4671EG-L

U700 KXSD9-2042

TH300,TH800 NCP15WB473J04RC

R100 RC1005J101CS

R108,R109 RC1005J221CS

R202 RC1005J102CS

R513 RC1005J123CS

R700,R820,R823 RC1005J104CS

R815 RC1005J105CS

R505 RC1005J681CS

R118 ERJ2GEJ5R6X

R107,R121,R122 RC1005J240CS

R104 RC1005J300CS

R702,R703 RC1005J390CS R123,R603,R604 RC1005J510CS R105,R106,R701 RC1005J181CS

R613 RC1005J184CS R400 TSR16GJ244V R120 TSR16GJ620V R423 RC1005F1003CS R418 RC1005F153CS

R313,R314,R819,R822 MCR01MZP5F4702

R116 MCR01MZP5F1202 R504 RK73H1ETP6801F R103 RK73H1ETP2201F R416 MCR01MZP5F1001 R405 RK73H1ETP1303F R315 RK73H1ETP9102F R403 RK73H1ETP5101F R503 M5534204B10E0R R614 RC1005F0100CS

R607 RK73H1ETP5603F R101,R306,R308,R329 ERJ1GEJ101C R332,R333,R426,R602 ERJ1GEJ101C R615,R704,R806,R812 ERJ1GEJ101C

R813,R814 ERJ1GEJ101C

R307 MCR006YZPJ202 R411,R412,R502,R811 ERJ1GENJ472X

6-2

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Main Electrical Parts List

SEC CODE Design LOC Discription

2007-008052 2007-008052 2007-008055 2007-008055 2007-008055 2007-008055 2007-008055 2007-008055 2007-008055 2007-008055 2007-008117 2007-008419 2007-008419 2007-008420 2007-008516 2007-008516 2007-008516 2007-008588 2007-008766 2007-008774 2007-008798 2007-009084 2007-009115 2007-009155 2007-009157 2007-009158 2007-009170 2007-009171 2007-009402 2007-009866 2007-009954 2007-009964 2007-010030 2203-000233 2203-000233 2203-000233 2203-000254 2203-000278 2203-000359 2203-000386 2203-000438 2203-000550 2203-000627

R816,R817,R824,R825 ERJ1GENJ472X

R836,R837 ERJ1GENJ472X R102,R204,R206,R207 ERJ1GENJ104X R312,R321,R327,R331 ERJ1GENJ104X R406,R414,R415,R417 ERJ1GENJ104X R422,R805,R808,R809 ERJ1GENJ104X R810,R832,R833,R834 ERJ1GENJ104X R835,R838,R839,R841 ERJ1GENJ104X R842,R843,R844,R845 ERJ1GENJ104X

R848 ERJ1GENJ104X R419 ERJ2RKF2701X

R110,R111,R112,R113 ERJ1GEJ102C

R125 ERJ1GEJ102C

R309,R328 RMC-1/20-330JPA R201,R303,R304,R408 ERJ1GEJ103C R420,R421,R605,R800 ERJ1GEJ103C

R801,R803,R804 ERJ1GEJ103C

R826,R827 MCR006YZPJ222

R326 ERJ2RKF6041X

R616,R617,R618 ERJ1GEJ2R2C

R829,R830 MCR006YZPJ153

R205,R316 MCR006YZPJ105

R310 RC0603J240CS R407,R410 MCR006YZPJ474 R413,R818 MCR006YZPF1003

R404 MCR006MZPF1503

R520 MCR006YZPJ184

R305 MCR006YZPJ513

R506 RC0603F152CS

R409 MCR006YZPF2003

R401 MCR006YZPF6802

R831 MCR01MZP5F44R2

R828 MCR01MZP5F6491

C1120,C1121,C131 GRP1555C1H101J

C141,C143,C234,C400 GRP1555C1H101J

C425 GRP1555C1H101J

C100,C107,C823 GRP155R71C103K

C1106,C531 GRP1555C1H100D

C415 GRP1555C1H151JD01E

C554,C606,C822,C824 GRP1555C1H150J

C102,C105,C108 GRP155R71H102K

C1107 GRP1555C1H200JZ01E

C1127,C228 GRM1555C1H220J

6-3

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Main Electrical Parts List

SEC CODE Design LOC Discription

2203-000679 2203-000696 2203-000725 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000854 2203-000995 2203-001017 2203-001153 2203-001153 2203-001259 2203-002677 2203-002709 2203-003054 2203-005050 2203-005053 2203-005057 2203-005138 2203-005234 2203-005288 2203-005382 2203-005395 2203-005446 2203-005450 2203-005682 2203-005682 2203-005683 2203-005725 2203-005725 2203-005725 2203-005725 2203-005736 2203-005736 2203-005740 2203-005806 2203-005806 2203-006048 2203-006048 2203-006137 2203-006190

C1101,C1109 GRP1555C1H270J C1116,C1122 GRP1555C1H2R0C

C613 GRP155R71H392KA01E

C104,C1103,C133,C134 GRP1555C1H330J

C138,C167,C215,C540 GRP1555C1H330J C542,C544,C546,C548 GRP1555C1H330J C549,C550,C620,C621 GRP1555C1H330J

C622 GRP1555C1H330J

C113 GRP1555C1H390J C103,C551 GRP1555C1H470J

C123 GRP1555C1H4R0C

C144,C148,C555,C607 GRP1555C1H680J

C625,C626 GRP1555C1H680J C541,C543 GRP1555C1H8R0DZ01E

C111 CL05CR75BBNC

C829 C1005Y5V1C104ZT

C603,C604,C605 GRP1555C1H9R0C

C238 GRP1555C1H1R8CZ01E C218,C219 GRP1555C1H3R9CZ01E

C197 GRP1555C1H8R2CZ01E

C830

04025

C182KAT2A

C1131,C237 GRP1555C1H1R2CZ01E

C235 GRP1555C1H1R0BZ01E

C119 GRP1555C1H6R0BZ01E

C121,C122,C137 C1005CG1H4R7BT

C118 GRP1555C1H2R7BZ01E

C1117,C196 GRP1555C1H5R6BZ01E

C110,C114,C166,C302 GRP0335C1E330JD01E

C538 GRP0335C1E330JD01E C706,C707 GRP0335C1E8R0DD01E

C1118,C1130,C155 GRP0335C1E220JD01E C162,C173,C176,C178 GRP0335C1E220JD01E C182,C183,C184,C185 GRP0335C1E220JD01E

C186,C191,C703 GRP0335C1E220JD01E

C1110,C153,C160,C161 GRP0335C1E101JD01E

C188,C193 GRP0335C1E101JD01E C206,C207 GRM0335C1E5R0C

C129,C190,C199,C308 GRP033R71C102KD01E

C313 GRP033R71C102KD01E

C106,C1123,C1128 GRM155R71A104K

C700 GRM155R71A104K

C507,C508 CL05B223KONC

C614 GRM155R60J224KE01E

6-4

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Main Electrical Parts List

SEC CODE Design LOC Discription

2203-006194 2203-006194 2203-006194 2203-006257 2203-006260 2203-006305 2203-006348 2203-006379 2203-006399 2203-006399 2203-006399 2203-006423 2203-006423 2203-006423 2203-006423 2203-006423 2203-006423 2203-006423 2203-006423 2203-006423 2203-006423 2203-006423 2203-006423 2203-006462 2203-006556 2203-006562 2203-006562 2203-006562 2203-006562 2203-006562 2203-006562 2203-006626 2203-006642 2203-006647 2203-006668 2203-006681 2203-006707 2203-006824 2203-006824 2203-006824 2203-006839 2203-006841 2203-006841

C1114,C189,C330,C331 GRP033R70J103KA01E

C332,C402,C409,C411 GRP033R70J103KA01E

C520,C803 GRP033R70J103KA01E

C609 GRM155R60J474KE19E C509,C514 GRM155R61A224KE19E C201,C211 CM03CG100J25AH

C617 CV105X5R105K25AT

C510 GRP033R70J472KA01

C305,C306,C312,C316 GRM155R60J105KE19D C321,C327,C328,C335 GRM155R60J105KE19D

C340,C408,C410 GRM155R60J105KE19D

C101,C1111,C115,C154 GRM33X5R104K6.3

C156,C177,C187,C194 GRM33X5R104K6.3 C304,C309,C311,C317 GRM33X5R104K6.3 C318,C326,C329,C333 GRM33X5R104K6.3 C334,C336,C338,C404 GRM33X5R104K6.3 C417,C418,C446,C504 GRM33X5R104K6.3 C505,C513,C800,C801 GRM33X5R104K6.3 C804,C806,C807,C808 GRM33X5R104K6.3 C809,C810,C811,C812 GRM33X5R104K6.3 C813,C814,C815,C816 GRM33X5R104K6.3 C817,C818,C819,C820 GRM33X5R104K6.3

C821,C827,C828 GRM33X5R104K6.3

C303 GRM033R60J333K

C537 GRM0335C1E470JD01D

C205,C214,C422,C423 CV05X5R105K10AH C436,C437,C438,C439 CV05X5R105K10AH C441,C442,C443,C502 CV05X5R105K10AH C515,C518,C519,C525 CV05X5R105K10AH C547,C553,C610,C611 CV05X5R105K10AH

C615,C616,C618 CV05X5R105K10AH

C826 GRM155R61A334KE15D C128,C198 GRM033R71E331KA01D

C704 GRM033R60J473KE19D

C300 GRM033R61A222K C435,C705 GRM155F51E104ZA01D

C535 GRM0335C1E4R7C

C341,C406,C427,C428 CV105X5R475K10AT C429,C431,C432,C445 CV105X5R475K10AT

C517 CV105X5R475K10AT C414,C506 CL03A104KP3NNNC

C434,C521,C522,C523 CV05X5R105K16AH C524,C526,C527,C528 CV05X5R105K16AH

6-5

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Main Electrical Parts List

SEC CODE Design LOC Discription

2203-006841 2203-006841 2203-006872 2203-006872 2203-006872 2203-006872 2203-007210 2203-007271 2203-007271 2203-007279 2203-007279 2203-007317 2203-007317 2404-001474 2404-001506 2703-001178 2703-001723 2703-001733 2703-001747 2703-001748 2703-001752 2703-001786 2703-001990 2703-002170 2703-002176 2703-002199 2703-002200 2703-002200 2703-002203 2703-002204 2703-002207 2703-002208 2703-002314 2703-002767 2703-002842 2703-002955 2703-002961 2703-003205 2703-003260 2703-003260 2703-003534 2801-004543 2801-004589

C529,C530,C532,C533 CV05X5R105K16AH

C802 CV05X5R105K16AH

C202,C210,C212,C213 GRM155R60J225ME15D C223,C307,C419,C420 GRM155R60J225ME15D C421,C440,C444,C503 GRM155R60J225ME15D

C512 GRM155R60J225ME15D

C511 CV03X5R224K06AH

C208,C221,C222,C405 CL05A225KP5NSNC C407,C412,C413,C433 CL05A225KP5NSNC C117,C130,C147,C209 CV105X5R106M10AT C403,C500,C501,C601 CV105X5R106M10AT

C1102,C401,C416,C426 CV05X5R475M06AH

C805 CV05X5R475M06AH

TA400 F951A476MPALZTQ2 TA500 TCTP1A476M8R-D

L116 LL1005-FH3N3S

C112 LL1005-FH33NJ

L118 LL1005-FH8N2J L108 LL1005-FH4N7S

L109,L125 LL1005-FH5N6S

C1105 LL1005-FH39NJ

C1129 LL1005-FH10NJ L104,L107 LL1005-FH22NJ L123,L124 CIH05T6N8JNC L112,L113 CIH05T2N7SNC

L110 CIH05T12NKNC

L102,L103,L117,L119 CIH05T18NJNC

L126 CIH05T18NJNC L120 CIH05T15NJNC L106 CIH05T22NJNC

L121,L200 CIH05T3N3SNC

L114 CIH05T2N2SNC L105 CIH05T47NJNC L605 VLF3010AT-220MR33 L122 LLV0603-F2N2S

L700,L701,L702,L703 MLG0603S33NJT

L101 MLG0603SR10JT

L603,L604 LQG15HS82NJ02

L400,L401,L402,L403 CIG21W2R2MNE

L404,L405 CIG21W2R2MNE

L602 LQM21PNR47MC0D OSC800 DSX321G(12MHZ,10PPM) OSC201 SQ2D02600B2JCG

6-6

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Main Electrical Parts List

SEC CODE Design LOC Discription

2801-004749 2804-001700 2804-001796 2804-001845 2809-001345 2901-001361 2901-001409 2901-001470 2901-001525 2901-001552 2904-001756 2904-001789 2904-001898 2910-000068 2910-000070 2911-000128 3003-001138 3301-001729 3301-001756 3301-001885 3301-001901 3404-001303 3404-001303 3705-001503 3708-002236 3709-001580 3711-005345 3711-005578 3711-005728 3711-006352 3711-006803 3722-002919 4202-001463 4302-001181

4709-001662 GH70-05184A SC301 SHIELDCAN-WM-A GH70-05584A SC300 SHIELDCAN-WM-B GH71-08731A ANT100,ANT101,ANT202 HJ-ICT-05

TAC700,TAC701,TAC702 LS12K2-T TAC703,TAC704,TAC705 LS12K2-T

OSC200 FA-128(38.4MHZ,10PPM) OSC400 SG-3040LC(32.768KHZ) OSC500 CSC3M192000EEVRS00 OSC801 CSC6S480000BEVRS00 OSC100 KT3225P19200ACW28ZN0

F701,F702,F703 ICVE31056E250R101FR

F707 ICVE10054E250R101FR

F704,F705,F706 ICVE10184E070R100FR

F700 ICVE10184E150R101FR F501 EMIF06-MSD01C2 F104 SAFEB2G14FA0F00 F101 FAR-F6KA-1G9500-D4DGHZ

F103 FAR-F5KA-836M50-D4DF DUF102 SAYFP836MCA0F00 DUF100 SAYFP1G95AA0B00

F100 LMSP43QL-771

MIC500 SPU0410LR5H-QB

L600,L601 BLM15AG102SN1D

L100,L202,L501 BLM15HG102SN1D

L502,L606 BLM15HD182SN1D

L201 BLM18EG221SN1D

RFS100 KMS-560 HDC704 FPC/FFC/PFF12-12A-R12BN-D3

CD500 MS110-C10B-C16-H HDC703 HDC500 HDC702 AXK8L30125S HDC701 AXK8L44125S BTC400

IFC600 HY07-AB0750

ANT201 ODBTP3015

BAT400 ML414RU2-TT36-TP1

MOD200 SWB-M20

14-5602-020-000-829 14-5602-016-000-829

202-02760-00347

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

6-7

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9. Flow Chart of Troubleshooting

9-1.

Power On

9-1-1.

PDA Part

Insert Power

Check pin2of V_BAT in

U402

is more than

Yes

Check followings

C432 is C444 is C440 is

Check C437 is

1.8V

3.0V

Yes

3.1V

1.2V

Change the Battery&check ZD714

Check the U404

and the related cuircuit

Check the U404

and the related cuircuit

Yes

Check pin1of TR400

Check C445, C431 is

Check pin6of U800 is'H'

Check Other Power Circuit

is'H'

Yes

1.2V

Yes

Check the UCP800

Check the U404

and the related cuircuit

Check the U800

and the related cuircuit

9-1

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Flow Chart of Troubleshooting

9-2

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Flow Chart of Troubleshooting

9-3

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Flow Chart of Troubleshooting

9-1-2.

Phone Part

Phone Power On'does not work

Yes

Check the Battery Voltage

is more than

Check followings

C404 is C416 is C426 is

Check C419 is

Yes

2.7V

1.2V

1.8V

Yes

3.5V

2.6V

Change the Battery

Check the U401

and the related cuircuit

Check the U401

Check pin1of

Check C420 is

Check the

TP_TCXO_EN is"H" and

C423 is

Check R408 is'H'

is'H'

U302

Yes

2.6V

Yes

2.85V

Yes

Check the U302 and related circuit

Check the U401

and the related cuircuit

Check the UCP300

and the related cuircuit

Check the initial operation

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9-4

Flow Chart of Troubleshooting

9-5

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Flow Chart of Troubleshooting

9-6

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Flow Chart of Troubleshooting

9-2.

Initial

Initial Failure

Yes

AP_nRST_IN="High"?

at R417

Yes

Check CLK

XTAL_12MHZ_IN/OUT

at R815 OK?

Good

Check the32bit data signal

memory(UCP800)

Bad

Check the circuit related to reset

Bad

Change UCP301

Replace PBA

END

Good

9-7

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Flow Chart of Troubleshooting

AP_nRST_IN

R422

D400

VAP_SYS_3.0V

R417

PM_PWR_EN

PWR_I2C_SCL

PWR_I2C_SDA

nBATT_FAULT

C446

R423

PM_SET1 PM_SET2 PM_SET3

PS_HOLD

SW_RST

nPOWER

L403 L404 L405

TP_PS_HOLD

C435

LX1

LX2

LX3

SET1

SET2

SET3

PWREN

PWRON PWRHOLDF3BUCK3

MR\

ONO\

RSO\

SCL

SDA

SRAD

LBOB

JIGON

REFBP

U404

VCC_COIN

BUCK1 BUCK2

LDO1 LDO2 LDO3 LDO4 LDO5 LDO6 LDO7 LDO8 LDO9

AGND1 AGND2 PGND1 PGND2 PGND3

IN1

IN2

IN3

IN4

IN5

IN6

E2 F2 F4

F6 B1 A1 A3 A4 A6 B6 D6 E6

D5 E5 D1 G3 G4

9-8

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Flow Chart of Troubleshooting

9-3.

Charging Part

Abnormal charging part

Yes

Check the C433

>4.3V

Yes

Check R415

='L'?

Yes

Check the circuit related to

VEXT_FET_5V and

Check the circuit related to

TA_nCHG signal

U403

Check the C434 or

U403 pin

≒

END

4.2V

Yes

Resolder or replace

U403

9-9

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Flow Chart of Troubleshooting

9-10

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Flow Chart of Troubleshooting

9-4.

Sim Part

Phone can't access SIM Card

Yes

C548, C550

After Power ON,

Check SIM_CLK Signal on

pin11 at HDC500

="3.0

Yes

V"?

Check the PMIC(U401)

Check the SIM Clock

After SIM card insert,

HDC500 pin

H(SIM_RST)"?

Check the SIM Card

Yes

END

Resolder HDC500 or replace PBA

9-11

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Flow Chart of Troubleshooting

9-12

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Flow Chart of Troubleshooting

9-5.

Microphone Part

Phone MIC does not work

Check all power source

YES

Check the signal

C521 of U502

related U502

Is MIC working? Replace Mic(MIC500) or PBA

Not OK

Solder C521, L500 again

esolder orreplace U502

END

Yes

9-13

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Flow Chart of Troubleshooting

9-14

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Flow Chart of Troubleshooting

9-15

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Flow Chart of Troubleshooting

9-6.

Speaker Part(Melody)

Speaker does not work

Yes

Check the connection

of HDC500

Yes

Check the signal at

C507, C508 of U501

Yes

Check the signal at

C500, C546, C540 of

HDC500

Replace the Speaker Module

Check all power source

andresolder orreplace U502

andresolder orreplace U501

related U502

Check all power source

related U501

Yes

Does it work?

Yes

END

Change the PBA

9-16

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Flow Chart of Troubleshooting

9-17

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Flow Chart of Troubleshooting

9-18

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