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DUAL BAND Mobile
ELECTRONICS
Cellular Phone
SGH-N188
SERVICE Manual
DUAL BAND Mobile Cellular Phone CONTENTS
1. Exploded Views and Parts List
2. PCB Diagrams
3. Electrical Parts List
4. Block Diagrams
5. Flow chart of trouble shooting
C
C
3 DEF
2 AB 6 MNO
1 JKL
I 5 9 WXY
Z
4 GH V
8 TU
7PQRS
0
ELECTRONICS
Samsung Electronics Co.,Ltd.
Printed in Korea
09/2000 Rev 1.0
GH68-01480A
1. Exploded Views and Parts List
1-1 Main
1-2 Main Parts List
1-3 Travel Adapter
1-4 Travel Adapter Parts List
1-5 Ciger Light Adapter
1-6 Ciger Light Adapter Parts List
1-7 Hands Free Kit
1-8 Test Zig
1-9 Earphone
1-10 Data Kit
1-11 Desk Top Charger
2. PCB Diagrams
2-1 Main Top
2-2 Main Bottom
3. Electrical Parts List
3-1 Main Parts List
3-2 Main Parts List Bottom
3-3 Main Parts List Top
4. Block Diagrams
4-1 Main Base Band
4-2 Main RF
5. Flow chart of trouble shooting
5-1 Power ON
5-2 Initial
5-3 Charging Part
5-4 Sim Part
5-5 Microphone Part
5-6 Speaker Part
5-7 Key Data Input
5-8 Alert tone
5-9 Ring Indicator
5-10 Back Light
5-11 GSM Receiver
5-12 GSM Transmit
5-13 DCS Receiver
5-14 DCS Transmit
1. Exploded Views and Parts List
1-1 Main
1
1-3-2 1-3
1-3-3
1-3-1 2
1-2
1-3-4
1-3-5 1-1
3
1-4 1-5
4 1-6
1-7
5
6
8
7
9
11
10 12
14
13 13-2 13-1
13-3
15
13-5
13-4
16
17
Exploded Views and Parts List 1-1
1-2 Main Parts List
N0 PARTS NAME NO SEC CODE COLOR Q`TY REMARK
1 FRONT ASS`Y GH75-00960A DARK GRAY 1
GH75-00960B SILVER 1
GH75-00960C GOLD 1
GH75-00960D BLUE 1
1-1 GH72-02146A DARK GRAY 1
GH72-02146B SILVER 1
GH72-02146C GOLD 1
GH72-02146D BLUE 1
EARPIECE DECORATION 1-2 GH72-01674A 1
FLIP ASS`Y 1-3 GH75-00959A DARK GRAY 1
GH75-00959B SILVER 1
GH75-00959C GOLD 1
GH75-00959D BLUE 1
DECORATION A 1-3-2 GH72-01530A 1
DECORATION B 1-3-3 GH72-01531A 1
MAGNET 1-3-4 GH70-00079A 1
MAGNET SHEET 1-3-5 GH74-00687A DARK GRAY 1
GH74-00687B SILVER 1
GH74-00687D GREEN 1
GH74-00687E BLUE 1
GH74-00687F WINE RED 1
GH74-00687G GOLD 1
HINCE ASS`Y 1-4 GH75-00287A 2
WINDOW TAPE 1-5 GH74-00233A 1
LCD WINDOW 1-6 GH72-01532A 1
WINDOW SPONGE 1-7 GH74-00684A 1
2 SIDE KEY ASS`Y GH75-00672A 1
3 SPEAKER UNIT GH96-000908A 1
4 MIC HOLDER GH73-00145A 1
5 3X4 KEY ASS`Y GH75-00686A DARK GRAY 1
6 LCD ASS`Y GH96-00937A 1
7 LCD BRACKET ASS`Y GH75-00429A 1
8 KEY PAD GH59-00171A 1
9 PBA GH92-00961A 1
10 I/F CONNECTOR COVER GH73-00549A GRAY BLACK 1
GH73-00549B LIGHT GRAY 1
GH73-00549C DARK GRAY 1
11 VIBRATOR GH31-00019A 1
12 VIBRATOR TAPE GH74-00466A 1
13 REAR ASS`Y GH75-00675A GRAY BLACK 1
GH75-00675F LIGHT GRAY 1
GH75-00675G DARK GRAY 1
COVER EARPHONE 13-1 GH73-00148A GRAY BLACK 1
GH73-00148F LIGHT GRAY 1
GH73-00148G DARK GRAY 1
SIM LOCKER SPRING 13-2 GH61-00011A 2
SIM KNOB ASS`Y 13-3 GH72-01534A GRAY BLACK 1
GH72-01534F LIGHT GRAY 1
GH72-01534G DARK GRAY 1
LOCKER MAIN 13-4 GH72-01535A GRAY BLACK 1
GH72-01535F LIGHT GRAY 1
1-2 Exploded Views and Parts List
N0 PARTS NAME NO SEC CODE COLOR Q`TY REMARK
GH72-01535G DARK GRAY 1
MAIN LOCKER SPRING 13-5 GH61-00009A 1
REAR COVER 13-6 GH72-01533A GRAY BLACK 1
GH72-01533F LIGHT GRAY 1
GH72-01533G DARK GRAY 1
14 ANTENNA GH42-00058E GRAY BLACK 1
GH42-00058A DARK GRAY 1
15 SCREW 6001-001346 5
16 LABEL MAIN GH68-01629A 1 TEC&OTHER
GH68-01629B 1 BRI
17 BATTERY STANDARD GH43-00285A GRAY BLACK 1
GH43-00285B LIGHT GRAY 1
GH43-00285C DARK GRAY 1
Exploded Views and Parts List 1-3
1-3 Travel Adapter
A B
C D
1-4 Travel Adapter Parts List
TYPE SEC CODE REMARK
A GH44-00119C CHINA
B GH44-00119A EUROPE
C GH44-00119B UNITED KINGDOM
D Gh44-00119D AUSTRALIA
1-4 Exploded Views and Parts List
1-5 Ciger Light Adapter
1-6 Ciger Light Adapter Parts List
DESCRIPTION SEC CODE REMARK
Ciger Light Adapter Code GH44-00040A BLACK
Exploded Views and Parts List 1-5
1-6
SEC CODE : GH96-00941A
1-7 Hands Free Kit
Phone
Microphone Hands-Free Box
Speaker
Antenna
CAL. S/W
Test Jig Cradle
Red (Battery (+))
Black (GND)
Exploded Views and Parts List
Bracket
Orange (ignition)
White (Stereo Mute)
Bracket
1-8 Test Zig
TEST JIG GH80-10508A
TEST JIG CABLE GH39-30532A
Exploded Views and Parts List 1-7
1-9 Earphone
EARPHONE GH96-00830A
1-10 Data Kit
DATA KIT GH39-30533A
1-8 Exploded Views and Parts List
1-11 Desk Top Charger
DESK TOP CHARGER GH44-00163B
Exploded Views and Parts List 1-9
2. PCB Diagrams
2-1 Main Top
2-1 PCB Diagrams
2-2 Main Bottom
PCB Diagrams 2-2
3. Electrical Parts List
3-1 Main Parts List
NO Reference SEC CODE Part Description
1 D303 0401-001033