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
6.
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
1
SK3541
2
AUP1G74GM
74
AUP2G08GM
74
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This Document can not be used without Samsung's authorization
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
NG
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
3.0V
Yes
3.1V
:
1.2V
No
No
No
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
Yes
No
No
No
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
Yes
3.5V
2.6V
No
:
No
No
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
Yes
No
No
No
No
Check the U302 and related circuit
Check the U401
Check the U401
and the related cuircuit
Check the UCP300
and the related cuircuit
Check the initial operation
SAMSUNG Proprietary-Contents may change without notice
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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
No
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
1
3
4
5
D400
VAP_SYS_3.0V
R417
2
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
E1
LX1
G2
LX2
G5
LX3
D4
SET1
D3
SET2
D2
SET3
B4
PWREN
E3
PWRON
PWRHOLDF3BUCK3
B5
MR\
C5
ONO\
E4
RSO\
C3
SCL
C2
SDA
B3
SRAD
C4
LBOB
B2
JIGON
A5
REFBP
1
NC
2
NC
U404
VCC_COIN
BUCK1
BUCK2
LDO1
LDO2
LDO3
LDO4
LDO5
LDO6
LDO7
LDO8
LDO9
AGND1
AGND2
PGND1
PGND2
PGND3
F5
F1
IN1
G1
IN2
G6
IN3
A2
IN4
C1
IN5
C6
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
No
No
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
12
4.2V
Yes
No
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
Yes
V"?
No
Check the PMIC(U401)
No
Check the SIM Clock
After SIM card insert,
HDC500 pin
H(SIM_RST)"?
="
Check the SIM Card
13
Yes
Yes
END
No
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
OK
related U502
OK
Is MIC working? Replace Mic(MIC500) or PBA
Not OK
Not OK
No
Solder C521, L500 again
esolder orreplace U502
R
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
No
No
No
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
No
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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This Document can not be used without Samsung's authorization
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