Samsung SGH-N400, Service Manual, Page: 2 / 39

SAMSUNG Proprietary-Contents may change without notice
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