Samsung SGH-X400 User manual

SGH-X400
SERVICE
Manual
GSM TELEPHONE CONTENTS
1. Specification
2. Exploded Views and Parts List
3. Electrical Parts List
4. Flow Chart of Troubleshooting
5. Block Diagrams
6. PCB Diagrams
GSM TELEPHONE

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1. SGH-X400 Specification
1-1
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GSM900
Phase 1 EGSM 900 Phase 2 DCS1800 Phase 1 PCS1900
Freq. Band[MHz]
Uplink/Downlink 890~915 935~960 880~915 925~960 1710~1785 1805~1880 1850~1910 1930~1990
ARFCN range 1~124 0~124 &
975~1023 512~885 512~810
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period 270.833kbps 3.692us 270.833kbps 3.692us 270.833kbps 3.692us 270.833kbps 3.692us
Time Slot
Period/Frame Period 576.9us 4.615ms 576.9us 4.615ms 576.9us 4.615ms 576.9us 4.615ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 19pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -
1. GSM General Specification

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1-2
SGH-X400 Specification
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TX Power
control level GSM900
5 33±2dBm
6 31±3dBm
7 29±3dBm
8 27±3dBm
9 25±3dBm
10 23±3dBm
11 21±3dBm
12 19±3dBm
13 17±3dBm
14 15±3dBm
15 13±3dBm
16 11±5dBm
17 9±5dBm
18 7±5dBm
19 5±5dBm
TX Power
control level DCS1800
0 30±2dBm
1 28±3dBm
2 26±3dBm
3 24±3dBm
4 22±3dBm
5 20±3dBm
6 18±3dBm
7 16±3dBm
8 14±3dBm
9 12±4dBm
10 10±4dBm
11 8±4dBm
12 6±4dBm
13 4±4dBm
14 2±5dBm
15 0±5dBm
TX Power
control level PCS1900
0 30±2dBm
1 28±3dBm
2 26±3dBm
3 24±3dBm
4 22±3dBm
5 20±3dBm
6 18±3dBm
7 16±3dBm
8 14±3dBm
9 12±4dBm
10 10±4dBm
11 8±4dBm
12 6±4dBm
13 4±4dBm
14 2±5dBm
15 0±5dBm
2. GSM TX power class

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2. SGH-X400 Exploded View and its Parts list
2-1
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1. Cellular phone Exploded View
1
2
3
4
5
7
8
9
10
6
11
12
13
14
15
16
17
18
19
21
22
20
23

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2-2
SGH-X400 Exploded view and its Part list
This Document can not be used without Samsung's authorization
NO Description SEC.CODE REMARK
1DUAL WINDOW LCD GH75-03088A
2FOLDER UPPER GH75-02636B
3DUAL LCD GH07-00319A
4SPEAKER 3001-001393
5MOTOR 3101-001351
6MAIN LCD GH07-00247A
7FOLDER LOWER GH75-02635B
8MAIN WINDOW LCD GH72-07620A
9SCREW 6001-001155
10 HOLE SHEET(A) GH74-04896B
HOLE SHEET(B) GH74-04897B
11 FRONT COVER GH75-02633B
12 SIDE KEY GH75-02632A
13 KEYPAD GH75-03162A
14 MAIN PBA GH92-01422A
15 DOME SHEET GH59-00745A
16 IF COVER GH73-01688B
17 MIC GH30-00015A
18 ANTENNA GH42-00285A
19 REAR COVER GH75-02634B
20 SCREW 6001-001478
21 SCREW CAP GH73-01692B
22 RF COVER GH73-01743B
23 BATTERY GH43-00830B 900MAH
GH43-00853B 620MAH
2. Cellular phone Parts list

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SGH-X400 Exploded view and its Part list
2-3
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3. Test Jig (GH80-00865A)
3-1. RF Test Cable
(GH39-00090A)
3-2. Test Cable
(GH00-00127A)
3-3. Serial Cable
3-4. Power Supply Cable 3-5. DATA CABLE
(GH39-00159A)

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3. SGH-X400 MAIN Electrical Parts List
3-1
This Document can not be used without Samsung's authorization
Design LOC SEC Code
GH92-01553A PBA
GH41-00443A PCB
2203-000995 C1003
2203-000233 C1004
2203-002677 C1005
2203-002677 C1006
2203-000233 C1007
2203-002677 C1008
2203-002677 C1009
2203-000812 C101
2203-000233 C1010
2203-005234 C1012
2203-005234 C1013
2203-000812 C1014
2203-000995 C1015
2203-000812 C1016
2404-001151 C1017
2203-000438 C1018
2203-000812 C1019
2203-005061 C102
2203-000812 C1020
2404-001151 C1021
2203-001598 C103
2203-000812 C104
2203-000812 C105
2404-001105 C106
2203-000254 C1063
2404-001268 C107
2203-005482 C108
2203-001652 C109
2203-001652 C110
2203-000438 C1101
2203-000679 C1102
2203-000995 C1103
2203-001405 C1104
2404-001105 C1105
2203-000885 C1106
Design LOC SEC Code
2203-005512 C1107
2203-000254 C1108
2203-005065 C1109
2203-006053 C111
2203-001405 C1110
2203-005509 C1111
2203-001405 C1112
2203-001405 C1113
2203-005065 C1114
2203-005480 C1115
2203-005481 C1116
2203-005481 C1117
2203-005481 C1118
2203-005480 C1119
2203-006053 C112
2203-000438 C1120
2203-000278 C1121
2203-005050 C1122
2203-001405 C1123
2203-001405 C1124
2203-001652 C113
2203-001598 C114
2203-000254 C115
2203-006053 C116
2203-006053 C117
2203-000233 C118
2203-000812 C119
2203-005061 C120
2203-001598 C121
2203-000254 C201
2203-006113 C202
2203-006113 C203
2203-006113 C204
2203-006113 C205
2203-006113 C208
2203-006113 C209
2203-006257 C212

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SGH-X400 Electrical Parts List
3-2
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Design LOC SEC Code
2203-005509 C213
2203-005061 C214
2203-005061 C215
2203-005682 C220
2203-005682 C221
2203-005682 C222
2203-005682 C223
2203-005682 C224
2203-005682 C225
2203-005682 C226
2203-005682 C227
2203-005061 C301
2203-005061 C302
2203-005061 C303
2203-005061 C304
2203-000812 C305
2203-000359 C401
2203-005061 C402
2203-001405 C403
2203-005061 C404
2404-001086 C405
2203-000995 C406
2203-000995 C407
2203-000885 C408
2203-005061 C409
2203-005065 C410
2404-001086 C413
2203-000438 C416
2203-005061 C417
2404-001151 C420
2404-001151 C421
2203-005061 C422
2203-005065 C423
2203-000438 C425
2203-000438 C426
2203-005682 C430
2203-005682 C431
Design LOC SEC Code
2203-005682 C432
2203-005682 C433
2203-005682 C434
2203-005682 C435
2203-005682 C436
2203-005682 C437
2203-000812 C441
2203-000940 C450
2203-005061 C501
2203-005061 C502
2203-005061 C503
2203-000254 C504
2203-005061 C505
2203-005496 C601
2203-005496 C602
2203-000254 C603
2203-000254 C604
2203-000254 C605
2203-000254 C606
2203-005480 C607
2203-005061 C608
2203-001405 C609
2203-000679 C610
2203-000254 C611
2203-000628 C613
2203-000233 C614
2203-000628 C615
2203-005496 C704
2203-005065 C705
2203-005061 C706
2203-000254 C707
2203-005480 C708
2203-005480 C709
2203-000254 C710
2203-000254 C711
2203-000254 C712
2203-000233 C801

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3-3
SGH-X400 Electrical Parts List
This Document can not be used without Samsung's authorization
Design LOC SEC Code
2203-000233 C802
2203-000233 C803
2203-000254 C804
2203-000254 C805
2203-000254 C806
2203-000995 C904
2203-001405 C905
2203-000812 C906
2203-000233 C908
2203-001405 C909
2203-000233 C910
2203-001405 C911
3705-001255 CN1001
3709-001187 CN101
3711-005078 CN201
3710-001816 CN300
3722-001715 CN401
0405-001110 D1101
0405-001110 D1102
2909-001191 F1001
2904-001450 F1002
2203-005234 L1001
2203-001195 L1002
2703-002602 L1003
2703-002603 L1004
2703-001734 L1005
2703-002608 L1006
2703-001409 L1007
2703-001794 L1101
2703-002102 L1102
2703-002102 L1103
2703-001235 L401
2703-001235 L402
2703-001235 L403
2703-001235 L490
2703-001751 L901
0601-001819 LED201
Design LOC SEC Code
0601-001819 LED202
0601-001790 LED203
0601-001790 LED204
0601-001790 LED205
0601-001819 LED206
0601-001790 LED207
0601-001819 LED208
0601-001819 LED209
0601-001819 LED210
0601-001790 LED211
0601-001790 LED212
0601-001790 LED213
0601-001790 LED214
0601-001819 LED215
0601-001819 LED216
0604-001261 LED217
0601-001790 LED218
0601-001790 LED219
0601-001790 LED220
0601-001790 LED221
4302-001130 M101
2801-004189 OSC1101
2801-004025 OSC601
2809-001260 OSC801
0502-001201 Q101
0506-001052 Q102
0504-000168 Q103
0504-000168 Q104
0504-001012 Q1101
0501-000225 Q401
2007-001288 R1001
2007-001307 R1002
2007-007008 R1003
2007-007008 R1004
2007-001288 R1005
2007-001307 R1006
2007-007008 R1007

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SGH-X400 Electrical Parts List
3-4
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Design LOC SEC Code
2007-007008 R1008
2007-007107 R1009
2007-000171 R101
2007-007142 R102
2007-007139 R103
2007-001323 R104
2007-000758 R105
2007-000171 R106
2007-000171 R107
2007-000171 R108
2007-000172 R109
2007-001319 R110
2007-000172 R1101
2007-007135 R1102
2007-000148 R1103
2007-000162 R1104
2007-000172 R1105
2007-000174 R1106
2007-000775 R1107
2007-000148 R1108
2007-000162 R1109
2007-000171 R111
2007-000148 R112
2007-000172 R201
2007-001291 R202
2007-001301 R218
2007-008587 R220
2007-008587 R221
2007-008587 R222
2007-008587 R223
2007-008587 R224
2007-008587 R225
2007-008587 R226
2007-008587 R227
2007-000157 R301
2007-000157 R302
2007-000157 R303
Design LOC SEC Code
2007-000140 R304
2007-000140 R305
2007-000140 R306
2007-000140 R307
2007-000140 R308
2007-000140 R309
2007-000140 R310
2007-000140 R312
2007-000140 R313
2007-003001 R401
2007-000162 R402
2007-003001 R403
2007-000164 R404
2007-000161 R405
2007-000775 R406
2007-000159 R407
2007-000148 R408
2007-001325 R410
2007-000159 R411
2007-000141 R412
2007-001316 R413
2007-000141 R414
2007-000148 R415
2007-000159 R416
2007-001333 R417
2007-000140 R418
2007-000171 R419
2007-000148 R421
2007-008587 R430
2007-008587 R431
2007-008587 R432
2007-008587 R433
2007-008587 R434
2007-008587 R435
2007-008587 R436
2007-008587 R437
2007-000171 R502