Samsung SGH-N300 User manual

ELECTRONICS
SERVICE
DUAL BAND Mobile
Cellular Phone
SGH-N300
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 Troubleshooting

Samsung Electronics Co.,Ltd.
Printed in Korea
06/2001 Rev 1.0
GH68-02097A
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 Test Jig
1-8 Earphone
1-9 Data Kit
1-10 Desk Top Charger
2. PCB Diagrams
2-1 Main Top
2-2 Main Bottom
3. Electrical Parts List
3-1 Main Parts List Top
3-2 Main Parts List Bottom
4. Block Diagrams
4-1 Main Base Band
4-2 Main RF
5. Flow Chart of Troubleshooting
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 Transmitter
5-13 DCS Receiver
5-14 DCS Transmitter

1-1 Exploded Views and Parts List
1. Exploded Views and Parts List
1-1 Main
1
5
2
11
9
10
12
14
16
13
15
17
18 19
20
22
23
24
21
4
1-2
1-3
1-4
1-1 1-6
2-2
3-2
3-3
3-1
3-4 3-5
1-8
1-7
1-5
2-1
3
6
7
8

NO SEC CODE DESCRIPTION COLOR SVC Q`TY REMARKS
1-2 Main Parts List
Exploded Views and Parts List 1-2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
GH75-00757B FRONT-COVER ASSY SILVER 1
1-1 GH72-02228B FRONT-COVER SNA 1
1-2 GH75-00760B FLIP-COVER ASSY 1
1-3 GH72-02229B DUMMY-FRONT SNA 1
1-4 GH72-01851A REFLECTOR-LED SNA 1
1-5 GH74-01369A SPONGE-SPEAKER SNA 1
1-6 GH72-01203B WEB-KEY SNA 1
1-7 GH75-00350A HINGE-ASSY SNA 1
1-8 GH72-01852A WINDOW-LCD SNA 1
GH07-00070A LCD-ASSY 1
2-1 3003-001025 MIC 1
2-2 GH72-01856A SHIELD-FRONT SNA 1
GH75-00762A REAR-COVER ASSY D/GRAY 1
3-1 GH72-01855A REAR-COVER SNA 1
3-2 GH74-00466A TAPE-MOTOR SNA 1
3-3 GH73-00511A COVER-EARPHONE SNA 1
3-4 GH72-02364A SIM-COVER 1
3-5 GH72-01205A LOCKER-MAIN SNA 1
GH75-01076A VOLUME-KEY ASSY 1
GH71-10639A STRIP-FINGER 4
GH72-02230A KEY-PAD 1
GH73-00628A HOLDER-MIC 1
GH74-01329A SPONGE-STIFFER 1
GH74-01328A SPONGE-SPEAKER 1
3001-001192 SPEAKER 1
GH73-00348B HOLDER-BUZZER 1
6001-001285 SCREW M1.4*3 3
GH92-00981A PBA 1
GH73-00350A RUBBER-CONNECTOR 1
GH72-01858A SHIELD-R/F 1
GH31-00019A VIBRATION 1
GH71-00483A BRACKET-ANT 1
GH73-00079A CAP-MOBILE 1
GH42-00102A ANTENNA 1
6001-001345 SCREW M1.7*6 1
GH75-00540C LOGO-BADGE 1
6001-001148 SCREW M2*5 4
GH68-01777A LABEL-MAIN 1
GH43-00291A BATTERY-STD 1

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
1-3

Exploded Views and Parts List
1-5 Ciger Light Adapter
1-4
1-6 Ciger Light Adapter Parts List
DESCRIPTION SEC CODE REMARK
Ciger Light Adapter GH44-00040A BLACK

1-5 Exploded Views and Parts List
TEST JIG GH80-10508A
TEST JIG CABLE GH39-00081A
RF JIG CABLE GH39-00002A
1-7 Test Jig

Exploded Views and Parts List 1-6
DC
POWER
SUPPLY
232 CABLE TEST JIG CABLE
RF JIG CABLE
8922 or 8960
WIRELESS COMMUNICATION
TEST SET
Note PC
1-7-1 Test Jig

1-7 Exploded Views and Parts List
1-8 Earphone
EARPHONE GH59-00225A
1-9 Data Kit
DATA KIT GH39-30533A