Samsung SGH-X105 Service Manual

GSM TELEPHONE

SGH-X105

Manual

SERVICE

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

ELECTRONICS

This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.

ⓒ

Samsung Electronics Co.,Ltd. AUG. 2003
Printed in Korea.

Code No.: GH68-04199A
BASIC.

1. SGH-X105 Specification

1. GSM General Specification

GSM900

Phase 1

Fre q. Band[MHz]

Uplink/Downlink

ARFCN ra nge 1~ 124

Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz

Mod. Bit rate/

Bit Period

Time Slot

Pe riod/Frame Period

Modulation 0.3GMSK 0. 3GMSK 0.3GMSK 0.3GMSK

MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm

890~915
935~960

270.833kbps

3.692us

576.9us

4. 615ms

EGSM 900

Pha se 2

880~915
925~960

0~124 &

975~1023

270.833kbps

3.692us

576.9us

4.615ms

DCS1800

Pha se 1

1710~1785
1805~1880

512~885 512~810

270.833kbps

3.692us

576.9us

4.615ms

PCS1900

1850~1910
1930~1990

270.833kbps

3. 692us

576.9us

4.615ms

Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl

Sensitivity -102dBm -102dBm -100dBm -100dBm

TD MA Mux 8 8 8 8

Ce ll Radius 35Km 35Km 2Km -

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SGH-X105 Specification

2. GSM TX power class

TX Power

control level

5 33±2 dBm

6 31±2 dBm

7 29±2 dBm

8 27±2 dBm

9 25±2 dBm

10 23±2 dBm

11 21±2 dBm

GSM900

TX Power

control level

0 30±3 dBm

1 28±3 dBm

2 26±3 dBm

3 24±3 dBm

4 22±3 dBm

5 20±3 dBm

6 18±3 dBm

PCS1900

12 19±2 dBm

13 17±2 dBm

14 15±2 dBm

15 13±2 dBm

16 11±3 dBm

17 9±3dBm

18 7±3 dBm

19 5±3 dBm

7 16±3 dBm

8 14±3 dBm

9 12±4 dBm

10 10±4 dBm

11 8±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

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2. SGH-X105 Exploded View and its Parts list

1. Cellular phone Exploded View

5

1

2

6

3-1

3-5

3-6

3-4

3-2

3-3

3

4

7

9

8

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SGH-X105 Exploded view and its Part list

2. Cellular phone Parts list

Location

Description SEC CODE Remark

No.

1 FRONT COVER GH75-03140A
2 KEYPAD GH75-03142A
3 MAIN PBA GH92-01510A

3-1 MIC GH30-00041A
3-2 DOME SHEET GH59-00942A
3-3 SCREW 6001-001479
3-4 INTENNA GH42-00314A
3-5 LCD GH07-00385A

3-6 SPEAKER 3001-001442
4 CONNECTOR COVER GH73-02097A
5 VOLUME KEY GH75-03143A
6 MOTOR GH31-00062A
7 REAR COVER GH75-03141A
8 SCREW 6001-001479
9 BATTERY GH43-00980A

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3. Test Jig (GH80-00865A)

SGH-X105 Exploded view and its Part list

3-1. RF Test Cable

(GH39-00090A)

3-2. Test Cable

(GH00-00127A)

3-4. Power Supply Cable 3-5. DATA CABLE

(GH39-00159A)

3-3. Serial Cable

3-6. TA

(GH44-00184A)

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3. SGH-X105 MAIN Electrical Parts List

SEC Code Design LOC

2203-000812 C101,C103,C104,C216
2203-005061 C102,C106,C107,C113
2203-001598 C105
2203-006053 C108,C109,C110,C111
2203-006053 C112,C115,C117,C118
2203-006201 C114
2203-000233 C116,C125,C126,C127
2404-001268 C119,C120,C122
2203-000995 C121,C405
2203-005061 C123,C130,C207,C214
2203-000233 C128,C129,C205,C213
2203-006307 C131
2404-001164 C132
2203-005682 C133,C134,C135,C136
2203-005682 C137,C138,C139,C140
2203-005682 C141,C142,C143,C144
2203-005682 C145,C146,C147,C148
2203-005682 C149,C150,C151,C152
2203-001153 C153,C154,C155,C156

SEC Code Design LOC

2404-001105 C245,C250
2404-001282 C247
2203-001072 C248,C251
2203-000386 C254
2203-005056 C259
2203-005503 C260
2203-000254 C303,C304,C305,C306
2203-000254 C307,C308,C312,C329
2203-005061 C315,C316,C324,C330
2203-000628 C320,C322
2203-002525 C326
2203-000233 C327,C328,C333,C402
2203-005061 C331
2203-005480 C332
2203-001405 C404,C407,C411,C424
2203-002677 C408,C410
2203-000233 C414,C419,C440
2203-005234 C415,C416

2203-000278 C417,C425,C433
2203-001153 C157,C158,C159,C160
2203-001153 C161,C162,C241
2203-000679 C202,C203,C255,C311
2203-000654 C206,C426
2203-001405 C208,C310,C401,C403
2404-001086 C209,C218
2203-000812 C217,C226,C406,C427
2203-000438 C219,C430,C432,C434
2203-005061 C220,C224,C262,C309
2203-000233 C221,C236,C319,C321
2203-005065 C222,C225,C252
2203-005496 C223,C301,C302
2203-000359 C228
2203-000278 C229,C246,C257,C258
2203-000254 C230,C231,C232,C233
2203-000854 C235,C253,C261
2203-000254 C237,C238,C239,C240
2203-005052 C242

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2404-001134 C420,C421

2203-000254 C423,C435,C437,C438

2203-002668 C429

2203-001405 C431

2203-000438 C436

2203-000254 C439

3709-001250 CN100

3710-001105 CN101,CN205

3710-001611 CN201

3710-001853 CN202

3705-001287 CN400

3722-001880 CN401

0407-000115 D100

2901-001260 F105,F106,F107,F108

2901-001260 F109

2909-001191 F400

2904-001410 F401

2703-002112 L100

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SGH-X105 Electrical Parts List

SEC Code Design LOC

2703-002313 L301
2703-001907 L402
2703-001207 L404
2703-001751 L405
2703-001543 L406
2703-001737 L407
0601-001647 LED100,LED101,LED102
0601-001647 LED103,LED106,LED107
0601-001647 LED108,LED109,LED110
0601-001647 LED111,LED112,LED113
0601-001402 LED200
4302-001130 M1
2801-003856 OSC300
2809-001260 OSC400
0504-001113 Q100
0502-001201 Q101
0504-000168 Q102,Q400
0504-000167 Q200,Q201
0504-001042 Q203,Q204,Q205

SEC Code Design LOC

2007-000148 R213,R230,R415
2007-000636 R214
2007-007200 R215,R216
2007-000141 R219,R225
2007-001119 R220
2007-000171 R221,R222,R224,R236
2007-000140 R223,R231,R232,R233
2007-000157 R228,R229,R301,R304
2007-000140 R235,R239,R246,R247
2007-000171 R237,R238,R243,R248
2007-007590 R240
2007-000165 R241
2007-000139 R244
2007-000138 R245,R416
2007-000172 R249,R251,R313,R314
2007-000171 R250,R312,R317,R320
2007-000170 R302
2007-007107 R305

2007-007573 R308,R310
2007-000174 R101,R102,R103,R104
2007-000174 R105,R106,R107,R108
2007-000174 R109,R111
2007-000171 R112,R115,R209,R217
2007-000758 R113,R242
2007-007137 R114
2007-003010 R117,R118,R119,R120
2007-003010 R121,R122,R123,R124
2007-003010 R125,R126,R127,R128
2007-007142 R129,R130,R306
2007-007139 R131
2007-001323 R132
2007-002965 R133,R135
2007-000151 R134,R204,R205,R208
2007-000162 R202,R212,R218,R234
2007-007014 R203
2007-000775 R206
2007-001325 R210,R211

2007-000172 R315

2007-000157 R316

2007-000171 R401,R406

2007-000029 R402

2007-003010 R403

2007-001311 R404,R405

2007-001291 R407

2007-001307 R408,R409

2007-000162 R410

2007-001306 R412,R417

2007-000242 R413

2007-002797 R414

3404-001152 SW201,SW202

1203-002902 U100

1203-002127 U101

0506-001052 U102

1203-001518 U103

1203-002633 U105

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