Samsung SGH-N188 Service Manual
ELECTRONICS
SERVICE
DUAL BAND Mobile
Cellular Phone
SGH-N188
2
ABC
1
3
DEF
C
5
JKL
4
GHI
6
MNO
8
TUV
7
PQRS
9
WXYZ
0
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
Samsung Electronics Co.,Ltd.
Printed in Korea
09/2000 Rev 1.0
GH68-01480A
ELECTRONICS
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
Exploded Views and Parts List 1-1
1. Exploded Views and Parts List
1-1 Main
1
3
2
1-3-2
1-3-3
1-3-1
1-3
1-3-4
1-3-5
4
7
9
5
6
8
10
11
13
15
17
16
14
12
1-2
13-113-2
13-3
13-4
13-5
1-1
1-7
1-6
1-5
1-4
1-2 Main Parts List
1-2 Exploded Views and Parts List
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
N0 PARTS NAME NO SEC CODE COLOR Q`TY REMARK
Exploded Views and Parts List 1-3
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
N0 PARTS NAME NO SEC CODE COLOR Q`TY REMARK
Exploded Views and Parts List
1-3 Travel Adapter
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
AB
CD
Exploded Views and Parts List
1-5 Ciger Light Adapter
1-5
1-6 Ciger Light Adapter Parts List
DESCRIPTION SEC CODE REMARK
Ciger Light Adapter Code GH44-00040A BLACK
Exploded Views and Parts List1-6
1-7 Hands Free Kit
SEC CODE : GH96-00941A
Red (Battery (+))
Antenna
Phone
Bracket
Bracket
Speaker
CAL. S/W
Microphone
Hands-Free Box
Black (GND)
Orange (ignition)
White (Stereo Mute)
Test Jig Cradle
1-7Exploded Views and Parts List
1-8 Test Zig
TEST JIG GH80-10508A
TEST JIG CABLE GH39-30532A
1-8 Exploded Views and Parts List
1-9 Earphone
EARPHONE GH96-00830A
1-10 Data Kit
DATA KIT GH39-30533A
Exploded Views and Parts List 1-9
1-11 Desk Top Charger
DESK TOP CHARGER GH44-00163B
PCB Diagrams2-1
2. PCB Diagrams
2-1 Main Top
PCB Diagrams
2-2 Main Bottom
2-2
3-1 Electrical Parts List
3. Electrical Parts List
3-1 Main Parts List
1 D303 0401-001033 ÒDIODE-SWITCHING;MCL4154,25V,200mA,M-MELF,TPÓ
2 D431 0402-001329 ÒDIODE-RECTIFIER;STPS140Z,40,1A,SOD-123,TPÓ
3 ÒD402,D410Ó 0402-001331 ÒDIODE-RECTIFIER;CRS04,40V,1A,S-FLAT,TPÓ
4 ÒD406,D427Ó 0406-001083 ÒDIODE-TVS;-,6.1/-/7.2V,150W,SOT-323-5LÓ
5 ÒD407,D408Ó 0406-001104 ÒDIODE-TVS;ESDA6V1-5W6,6.1/-/7.2V,100W,SOT-323-6LÓ
6 ÒD302,D401,D403Ó 0407-001002 ÒDIODE-ARRAY;DAN222,80V,300mA,CA2-3,EM3,TPÓ
7 D304 0407-001007 ÒDIODE-ARRAY;UMN1,80V,25mA,CA4-2,UM5,TRÓ
8 ÒQ301,Q403Ó 0501-000162 ÒTR-SMALL SIGNAL;2SA1576,PNP,200MW,SOT-323,TPÓ
9 Q400 0501-000218 ÒTR-SMALL SIGNAL;2SC4081,NPN,200mW,UMT,TP,180-3Ó
10 Q100 0501-000225 ÒTR-SMALL SIGNAL;2SC4617,NPN,200mW,EM3,TP,120-5Ó
11 ÒQ300,Q302Ó 0501-002011 ÒTR-SMALL SIGNAL;2SD2114K,NPN,200mW,SOT-23,TP,8Ó
12 Q200 0501-002096 ÒTR-SMALL SIGNAL;BFP420,NPN,160MW,SOT-343,TPÓ
13 Q201 0501-002226 ÒTR-SMALL SIGNAL;BFP520,NPN,100MW,SOT-343,TPÓ
14 U445 0504-000167 ÒTR-DIGITAL;RN1102,NPN,100MW,10K/10K,SSM,TPÓ
15 ÒU409,U453,U454Ó 0504-000168 ÒTR-DIGITAL;RN1104,NPN,100MW,47K/47K,SSM,TPÓ
16 ÒU209,U400Ó 0504-001012 ÒTR-DIGITAL;DTC114YE,NPN,150MW,10K/47KÓ
17 U443 0504-001021 ÒTR-DIGITAL;DTB113ZK,PNP,200MW,10K,SC-59,TPÓ
18 ÒU204,U210,U211,U312Ó 0504-001058 ÒTR-DIGITAL;RN4985,NPN/PNP,200mW,2.2KohmÓ
U412 0504-001058 ÒTR-DIGITAL;RN4985,NPN/PNP,200mW,2.2KohmÓ
19 Q401 0505-001332 ÒFET-SILICON;FDG6301,N,25V,0.22A,4OHM,.3WÓ
20 ÒQ101,Q402Ó 0505-001423 ÒFET-SILICON;FDG6323L,N/P,-,-,-,0.3W,SC70-6Ó
21 U309 0506-001004 ÒTR-ARRAY;UMC5N,NPN/PNP,2,50V,-,-100mA,3Ó
22 D300 0601-000276 ÒLED;CHIP,Y/GRN,1.6x2.0mm,570nmÓ
23 U452 0801-002540 ÒIC-CMOS LOGIC;7SZ19,DECODER,SOP,6P,49MIL,SINGLE,TPÓ
24 ÒU413,U415Ó 1001-001145 ÒIC-ANALOG SWITCH;MAX4599EXT,-,SC70,6P,49MIL,SINGLEÓ
25 U305 1003-001226 ÒIC-POWER DRIVER;D361A,SOP,8P,120MIL,SINGLE,90MA,TPÓ
26 U313 1009-001006 ÒIC-HALL EFFECT S/W;A3210ELH,SC-74A,3P,-,TP,-,-,5V,Ó
27 U304 1103-001184 ÒIC-EEPROM;24C256,32Kx8Bit,dBGA,8P,92MIL,-,2.7V,-,PÓ
28 U448 1106-001301 ÒIC-SRAM;1337,262Kx16Bit,CSP,72P,-,85nS,3V,-,PLASTIÓ
29 U105 1201-001583 ÒIC-POWER AMP;08109,QFP,16P,-,-,-,PLASTIC,8V,-,-30tÓ
30 U401 1202-001022 ÒIC-VOLTAGE COMP.;75W56,SSOP,8P,110MIL,DUAL,7V,CÓ
31 U303 1203-001204 ÒIC-VOLTAGE REGULATOR;2981,SOT-23,5P,59MIL,PLASTIC,Ó
32 ÒU102,U103,U306,U308Ó 1203-001454 ÒIC-VOLTAGE REGULATOR;2981,SOT-23,5P,59MIL,PLASTIC,Ó
U442 1203-001454 ÒIC-VOLTAGE REGULATOR;2981,SOT-23,5P,59MIL,PLASTIC,Ó
33 U307 1203-001511 ÒIC-RESET;809,SOT-23,3P,-,PLASTIC,0.3/6.Ó
34 U101 1203-001701 ÒIC-VOLTAGE REGULATOR;2982,SOT-23,5P,-,PLASTIC,3.0VÓ
35 U410 1203-001702 ÒIC-DC/DC CONVERTER;1676,SOP,10P,112MIL,PLASTIC,2/5Ó
36 U411 1203-001903 ÒIC-DC/DC CONVERTER;1986,SOT-23,6P,-,PLASTIC,2.75/3Ó
37 U441 1203-002101 ÒIC-BATTERY;1410,SOP,16P,150MIL,PLASTIC,-,-,0to+70CÓ
NO Reference SEC CODE Part Description
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