Samsung B7300C Service Manual
efrcom
GSM 手机
GT-B7300C
手
册
维
GSM 手机
修
1． 安全预防措施
目录
2． 规格
3． 产品功能
4． 工装资材清单
5． 分解图和零件清单
6． 主电气零件清单
7． 主板图
8． 框图
9． 故障排除流程图
10． 参考资料
11． 拆卸和组装说明
MAIN Electrical Parts List
6.
Design LOC SEC CODE Description
D400
ZD401
ZD605
D300
D600,D601
ZD704
ZD500
D500,D501,D502,D503
D700,D701,D702,D704
D705,U803,ZD700
ZD702,ZD703,ZD705
ZD706
ZD600
D703,ZD400
ZD601,ZD602,ZD603
ZD604
D602,D603,D604
ZD501
Q600
TR300,TR400
LED700
U302
U100
U304
U300
U800
UCP800
U400
U600
U804
U601
U605
U301,U801,U802
F201
U501
0401-001144
0403-001547
0404-001089
0404-001172
0404-001317 1
0406-001169
0406-001223
0406-001231
0406-001231
0406-001231
0406-001231
0406-001231
0406-001239
0406-001254
0406-001267
0406-001267
0406-001303
0406-001306
0504-001138
0505-002088 2
0601-001905
0801-003016
0801-003022
0801-003200
0801-003265 74
0801-003271 74
0902-002441
1001-001394
1001-001461
1001-001481
1001-001580
1003-002047
1003-002185
1201-002581
1201-002733
RB551V-30
RB520S-30
ESDA6V1P6
PG05DBTFC
DF2S5.6FS(TPL3)
DF2S5.6FS(TPL3)
DF2S5.6FS(TPL3)
DF2S5.6FS(TPL3)
DF2S5.6FS(TPL3)
RCLAMP0502B_TCT
UCLAMP0501P
RCLAMP0521P
RCLAMP0521P
UCLAMP3301P
CM1219-05SE
DTA114EM
SSC-THBTGFR421
NC7SV08L6X
NC7SV04L6X
NC7SZ00L6X
AUP1G74GM
AUP2G08GM
SC36410A8G-A040
NLAS5123MNR2G
NLAST9431
FSUSB42UMX
FSA9480UCX
NLSV1T34AMX1TCG
ALM-1412
MAX9877EWP
SUD492H
TDZ5.6
PS79SB10
SK3541
ISA1000
6-1
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This Document can not be used without Samsung's authorization
Main Electrical Parts List
Design LOC SEC CODE Description
PAM100
U402
U606
U603
U701
U500
U607
U604
U401
U201
U102
U303
U502
U202
U700
TH300,TH800
R100,R606,R704
R108,R109
R611,R612
R513
R211
R700,R820,R823
R518,R519,R603,R604
R505
R118
R107
R104
R702,R703
R105,R106,R701
R416
R400
R205,R206
R610
R321
R418
1201-002740
1203-002832
1203-004043
1203-004571
1203-004798
1203-004806
1203-004845
1203-005250
1203-005434
1204-003026
1205-003436
1205-003467
1205-003488
1205-003517
1209-001823
1404-001221
2007-000138
2007-000139
2007-000141
2007-000149
2007-000157
2007-000162
2007-000172
2007-001119
2007-001285
2007-001290
2007-001291
2007-001295
2007-001307
2007-001316
2007-003014
2007-003015
2007-007092
2007-007107
2007-007132
TQM7M5012
R3111Q311C-TR
XC6401FF35ER
RP150K002A-TR
AAT4297ITP-T1
RP100K281D-TR
TPS61161DRVR
MIC5335-MGYMT
MAX8674EWN+
SI4709-B-GMR
RTR6237
AAT4285IJS-3-T1
AK4671EG-L
BC63B239A04-IYB-E4S
KXSD9-2042
NCP15WB473J04RC
RC1005J101CS
RC1005J221CS
RC1005J222CS
RC1005J123CS
RC1005J473CS
RC1005J104CS
RC1005J100CS
RC1005J681CS
ERJ2GEJ5R6X
RC1005J240CS
RC1005J300CS
RC1005J390CS
RC1005J181CS
MCR01MZP5J821
TSR16GJ244V
MCR01MZP5J2R2
RC1005J112CS
RC1005F1003CS
RC1005F153CS
6-2
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Main Electrical Parts List
Design LOC SEC CODE Description
R313,R314,R819,R822
R116
R504
R103
R405
R315
R403
R503
R614
R815
R607
R101,R306,R308,R329
R602,R615,R806,R812
R813,R814,R821
R307
R411,R412,R502,R811
R816,R817,R824,R825
R826,R827,R836,R837
R102,R204,R312,R327
R406,R414,R415,R417
R422,R805,R808,R809
R810,R832,R833,R834
R835,R838,R839,R841
R842,R843,R844,R845
R110,R111,R112,R113
R322,R323,R325
R309,R328
R201,R300,R303,R304
R305,R318,R319,R320
R324,R408,R420,R421
R605,R800,R801,R803
R804
R419
R326
R616,R617,R618
2007-007139
2007-007309
2007-007313
2007-007317
2007-007480
2007-007529
2007-007698
2007-007741
2007-007798
2007-007942
2007-007943
2007-008045
2007-008045
2007-008045
2007-008049
2007-008052
2007-008052
2007-008052
2007-008055
2007-008055
2007-008055
2007-008055
2007-008055
2007-008055
2007-008419
2007-008419
2007-008420
2007-008516
2007-008516
2007-008516
2007-008516
2007-008516
2007-008590
2007-008766
2007-008774
MCR01MZP5F4702
MCR01MZP5F1202
RK73H1ETP6801F
RK73H1ETP2201F
RK73H1ETP1303F
RK73H1ETP9102F
RK73H1ETP5101F
M5534204B10E0R
RC1005F0100CS
RC-1005F105CS
RK73H1ETP5603F
ERJ1GEJ101C
ERJ1GEJ101C
ERJ1GEJ101C
MCR006YZPJ202
ERJ1GENJ472X
ERJ1GENJ472X
ERJ1GENJ472X
ERJ1GENJ104X
ERJ1GENJ104X
ERJ1GENJ104X
ERJ1GENJ104X
ERJ1GENJ104X
ERJ1GENJ104X
ERJ1GEJ102C
ERJ1GEJ102C
RMC
ERJ1GEJ103C
ERJ1GEJ103C
ERJ1GEJ103C
ERJ1GEJ103C
ERJ1GEJ103C
MCR006YZPJ272
ERJ2RKF6041X
ERJ1GEJ2R2C
6-3
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Main Electrical Parts List
Design LOC SEC CODE Description
R829,R830
R330
R316
R310
R407,R410,R613
R413,R818
R404
R507,R508,R509,R510
R511,R512
U805
R506
R409
R401
R831
R828
C400,C425,U226922
C100,C107,C208,C220
C823
C531
C415
C218,C534,C822,C824
U807
C102,C105,C108
C140,C203,C223,C228
U226924
C613
C104,C109,C540,C542
C544,C546,C548,C549
C550,R202,U809
C113
C339
C144,C148,C536
C541,C543
C123
C830
2007-008798
2007-008806
2007-009084
2007-009115
2007-009155
2007-009157
2007-009158
2007-009171
2007-009171
2007-008542
2007-009402
2007-009866
2007-009954
2007-009964
2007-010030
2203-000233
2203-000254
2203-000254
2203-000278
2203-000359
2203-000386
2203-000386
2203-000438
2203-000628
2203-000628
2203-000725
2203-000812
2203-000812
2203-000812
2203-000854
2203-000995
2203-001153
2203-001259
2203-002668
MCR006YZPJ153
RC0603J510CS
MCR006YZPJ105
RC0603J240CS
MCR006YZPJ474
MCR006YZPF1003
MCR006MZPF1503
MCR006YZPJ513
MCR006YZPJ513
ERJ1GEJ000C
RC0603F152CS
MCR006YZPF2003
MCR006YZPF6802
MCR01MZP5F44R2
MCR01MZP5F6491
GRP1555C1H101J
GRP155R71C103K
GRP155R71C103K
GRP1555C1H100D
GRP1555C1H151JD01E
GRP1555C1H150J
GRP1555C1H150J
GRP155R71H102K
GRP1555C1H220JZ01E
GRP1555C1H220JZ01E
GRP155R71H392KA01E
GRP1555C1H330J
GRP1555C1H330J
GRP1555C1H330J
GRP1555C1H390J
GRP1555C1H470J
GRP1555C1H680J
GRP1555C1H8R0DZ01E
C1005CG1H0R5BT
2203-005138 04025
C182KAT2A
6-4
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Main Electrical Parts List
Design LOC SEC CODE Description
C213
U226923
C119
C121,C122,C125,C127
C118
C206
C110,C114,C166,C302
C538
C155,C162,C172,C173
C176,C178,C182,C183
C184,C185,C186,C191
C216,C227
C153,C160,C161,C188
C193,C211
C603,C604,C605
C190,C308,C313,C315
C106,C224,C229,C700
C701
C219
C210,C507,C508
C103,C189,C215,C330
C331,C332,C402,C409
C411,C520,C803
C609,C618
C509,C514
C201
C617
C510
C305,C306,C312,C314
C316,C321,C322,C323
C325,C327,C328,C335
C340,C408,C410,C424
C602
C101,C115,C154,C156
C177,C187,C194,C301
2203-005281
2203-005288
2203-005382
2203-005395
2203-005446
2203-005481
2203-005682
2203-005682
2203-005725
2203-005725
2203-005725
2203-005725
2203-005736
2203-005736
2203-005779
2203-005806
2203-006048
2203-006048
2203-006123
2203-006137
2203-006194
2203-006194
2203-006194
2203-006257
2203-006260
2203-006305
2203-006348
2203-006379
2203-006399
2203-006399
2203-006399
2203-006399
2203-006399
2203-006423
2203-006423
GRP1555C1H1R5BZ01E
GRP1555C1H1R0BZ01E
GRP1555C1H6R0BZ01E
C1005CG1H4R7BT
GRP1555C1H2R7BZ01E
GRP155R71A473KA01E
GRP0335C1E330JD01E
GRP0335C1E330JD01E
GRP0335C1E220JD01E
GRP0335C1E220JD01E
GRP0335C1E220JD01E
GRP0335C1E220JD01E
GRP0335C1E101JD01E
GRP0335C1E101JD01E
CL03C090DA3GNNC
GRP033R71C102KD01E
GRM155R71A104K
GRM155R71A104K
GRM0335C1E5R6CD01D
CL05B223KONC
GRP033R70J103KA01E
GRP033R70J103KA01E
GRP033R70J103KA01E
GRM155R60J474KE19E
GRM155R61A224KE19E
CM03CG100J25AH
CV105X5R105K25AT
GRP033R70J472KA01
GRM155R60J105KE19D
GRM155R60J105KE19D
GRM155R60J105KE19D
GRM155R60J105KE19D
GRM155R60J105KE19D
GRM33X5R104K6.3
GRM33X5R104K6.3
6-5
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This Document can not be used without Samsung's authorization
Main Electrical Parts List
Design LOC SEC CODE Description
C304,C309,C310,C311
C317,C318,C319,C320
C324,C326,C329,C333
C334,C336,C338,C404
C417,C418,C504,C505
C513,C600,C800,C801
C804,C806,C807,C808
C809,C810,C811,C812
C813,C814,C815,C816
C817,C818,C819,C820
C821,C825,C827,C828
C829,U806
C303
C337,C537
C205,C422,C423,C436
C437,C438,C439,C441
C442,C443,C502,C515
C518,C519,C525,C547
C610,C611,C615,C616
C826
C614
C300
C200
C435
C535
C406,C427,C428,C429
C430,C431,C432,C517
C307,C440,C444,C503
C512
C204,C414,C506
C434,C521,C522,C523
C524,C526,C527,C528
C529,C530,C532,C533
C612,C802
C207,C209,C212,C419
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
2203-006626
2203-006636
2203-006668
2203-006674
2203-006681
2203-006707
2203-006824
2203-006824
2203-006838
2203-006838
2203-006839
2203-006841
2203-006841
2203-006841
2203-006841
2203-006872
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM33X5R104K6.3
GRM033R60J333K
GRM0335C1E470JD01D
CV05X5R105K10AH
CV05X5R105K10AH
CV05X5R105K10AH
CV05X5R105K10AH
CV05X5R105K10AH
GRM155R61A334KE15D
GRM188R71E224KA88D
GRM033R61A222K
CL03C3R3BA3GNNC
GRM155F51E104ZA01D
GRM0335C1E4R7C
CV105X5R475K10AT
CV105X5R475K10AT
CL05A225KQ5NSNC
CL05A225KQ5NSNC
CL03A104KP3NNNC
CV05X5R105K16AH
CV05X5R105K16AH
CV05X5R105K16AH
CV05X5R105K16AH
GRM155R60J225ME15D
6-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Main Electrical Parts List
Design LOC SEC CODE Description
C420,C421
C202,C401,C416,C426
C702,C805
C511
C117,C403,C500,C501
C601,C606
C405,C407,C412,C413
C433
TA600
TA300
TA400
TA500
L203,L204
L108,L110
L109
L104,L107,U226926
L106
L201
L105
L202
L102,L103
L605
L101
L603,L604
L400,L401,L402,L403
L404,L405
L602
OSC800
OSC200
OSC400
OSC801
OSC500
OSC100
F700
F701,F702,F703
2203-006872
2203-007165
2203-007165
2203-007210
2203-007270
2203-007270
2203-007271
2203-007271
2404-001381
2404-001396
2404-001474
2404-001497
2703-001737
2703-001747
2703-001751
2703-001990
2703-002203
2703-002207
2703-002314
GRM155R60J225ME15D
CL05A475KQ5NRNC
CL05A475KQ5NRNC
CV03X5R224K06AH
CL10A106KP8NNNC
CL10A106KP8NNNC
CL05A225KP5NSNC
CL05A225KP5NSNC
F981A106MMA
F881A475MMA
F951A476MPALZTQ2
TCTP0G107M8R-D
LL1005-FH2N7S
LL1005-FH4N7S
LL1005-FH3N9S
LL1005-FH22NJ
CIH05T15NJNC
CIH05T3N3SNC
CIH05T47NJNC
2703-002370 0402
2703-002593
2703-002862
2703-002961
2703-003205
2703-003260
2703-003260
2703-003534
2801-004543
2801-004560
2804-001700
2804-001704
2804-001796
2809-001341
2901-001337
2901-001361
LQW15AN18NJ00D
LPF3010T-220M
MLG0603SR10JT
LQG15HS82NJ02
CIG21W2R2MNE
CIG21W2R2MNE
LQM21PNR47MC0D
DSX321G(12MHZ,10PPM)
FCX-05(26MHZ,10PPM)
SG-3040LC(32.768KHZ)
SG-8002CESC(48MHZ,50PPM)
CSC3M192000EEVRS00
TG-5005CE-33G-19.2MHZ
ICVE21184E150R101FR
ICVE31056E250R101FR
CS-10NXJBW
6-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Main Electrical Parts List
Design LOC SEC CODE Description
F704,F705,F706
F200
U226925
F100
L600,L601
L100,L501,U226921
L500
TAC700,TAC701,TAC702
TAC703,TAC704,TAC705
RFS100
CD500
CN600
HDC700
HDC500
HDC702
CON305,CON800
HDC701
BTC400
IFC600
BAT400
ANT100,ANT101 GH70-03928A HJ-ICT-04
U226920 GH71-08731A HJ-ICT-05
U404 NEW MAX8698
U403 NEW MAX8844YETD
SC301 NEW SHIELDCAN-WM-A
SC300 NEW SHIELDCAN-WM-B
ANT201 NEW AMAN542012SS81
UCP300 NEW ESM6236_NSP
2901-001470
2904-001759
2909-001283
2911-000128
3301-001729
3301-001756
3301-001885
3404-001303
3404-001303
3705-001503
3709-001527
3710-002523 1200-0020-05
3711-005550
3711-005578 14-5602-016-000-829
3711-005728
3711-006277 14-5805-010-000-829
3711-006352
3711-006803 202-02760-00347
3722-002840
4302-001181
ICVE10184E070R100FR
FAR-F6KA-1G5754-L4AAHZ
LFB212G45BA1A220
LMSP43QL-771
BLM15AG102SN1D
BLM15HG102SN1D
BLM15HD182SN1D
LS12K2-T
LS12K2-T
DM3AT-SF-PEJ(16)
AXK8L10125SJ
AXK8L30125S
AXK8L44125S
HY07-AB0700
ML414RU2-TT36-TP1
KMS-560
Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list.
6-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
否
否
是
否
是
否
是
否
是
否
是
否
是
9. 故障排除流程图
9-1. 开机
9-1-1.PDA 部分
在 U402 上检查 V_BAT 的管
脚 2 电压是否大于 3.1V？
TR400 管脚 1 是否为高电平？
检查 C430、C431 电压是否为 1.2V？
检查 U800 管脚 6 是否为高电平？
接通电源
检查如下电压：
C432是1.8V
C444是3.0V
C440 是 3.0V
检查 C437 是 1.2V
检查其它电源电路
9-1
三星所有—内容可能有变动，恕不另行通知。
未经三星允许，不得使用本文件。
更换电池并检查 ZD706
检查 U404 及相关电路
检查 U404 及相关电路
检查 UCP800
检查 U404 及相关电路
检查 U800 及相关电路。
故障排除流程图
Flow Chart of Troubleshooting
9-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
故障排除流程图
是
否
是
否
是
否
是
否
是
否
是
否
是
否
是
9-1-2 手机部分
手机电源开启但不运作
检查电池电压是否大于 3.5V？
检查如下电压：
C404 是 2.7V
C416 是 1.2V
C426 是 1.8V
检查 C419 是否为 2.6V
检查 U302 的管脚 1 是否为高电平？
更换电池
检查 U401 及相关电路
检查 U401
检查 U302 及相关电路
检查 C420 是否为 2.6V
检查 TP_TCXO_EN 是否为高电平及
C423 为 2.85V
检查 R408 是否为高电平
检查初始化操作
三星所有—内容可能有变动，恕不另行通知。
未经三星允许，不得使用本文件。
检查 U401
检查 U401 及相关电路
检查 UCP300 及相关电路
9-4
Flow Chart of Troubleshooting
9-5
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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
9-2. 初始化
是 是
否
XTAL_12MHZ_IN / OUT 是否正常？
初始化失败
AP_JTAG_nRST_IN = “高电平”?
检查 R815 的 CLK
好
检查 32 字节数据信号及存储器
（UCP800）
结束
好
故障排除流程图
检查相关电路到复位
坏
更换 UCP301
坏
更换主板
9-7
三星所有—内容可能有变动，恕不另行通知。
未经三星允许，不得使用本文件。
Flow Chart of Troubleshooting
9-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
9-3．充电部分
是
是
否
否
是
否
是
充电部分异常
检查 C433> 4.3V
检查 R415=“低电平”？
检查 C434 或 U403 管脚
12=4.2V
结束
故障排除流程图
检查与 VEXT_FET_5V 及
U403 相关的电路
检查与 TA_nCHG 信号相关的电路
重焊或更换 U403
9-9
三星所有—内容可能有变动，恕不另行通知。
未经三星允许，不得使用本文件。
Flow Chart of Troubleshooting
9-10
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
9-4. Sim 部分
是
否
是 否
是 否
是
是
通电后，检查 HDC500 管脚
在 SIM 卡插入后，HDC500 管脚
手机不能访问 SIM 卡
C548、C550 = “3.0V”?
SIM_CLK 的信号。
13=“高电平(SIM_RST)”?
检查 SIM 卡
结束
三星所有—内容可能有变动，恕不另行通知。
9-11
未经三星允许，不得使用本文件。
检查 PMIC（U401）
检查 SIM 时钟
重焊 HDC500 或更换主板
故障排除流程图
Flow Chart of Troubleshooting
9-12
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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