![background image](http://html.mh-extra.com/html/samsung/sgh-n620/sgh-n620_service-manual_1190931003.webp)
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
Battery Charger
1-6
Test Jig
1-6-1
Test Jig
1-7 normal EAR Microphone
1-8
Data Kit
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
4-2-1
RF Tx Part
4-2-2
RF Rx Part
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