Samsung SGH-N400 Service Manual page 2

Dual band mobile cellular phone

Hide thumbs Also See for SGH-N400:

Table of Contents

1. Exploded Views and Parts List

1-1 Main

1-2 Main Parts List

1-3 Travel Adapter

1-4 Cigar Light Adapter

1-5 Simple Hands Free Kit

1-6 Test Jig

1-7 Earphone

1-8 Data Kit

1-9 Desk Top Charger

2. PCB Diagrams & Schematic Diagrams

2-1-1 Main Top

2-1-2 Main Bottom

2-2-1 Logic Schematic

2-2-2 Power Schematic

2-2-3 RF Schematic

3. Electrical Parts List

3-1 Main Parts

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 Auto Antenna Troubleshooting

5-12 RF Troubleshooting

5-13 Tx Troubleshooting

5-14 Rx Troubleshooting

SAMSUNG Proprietary-Contents may change without notice

Table of Contents

Troubleshooting