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Contents
9. MAIM Electrical parts list
10. Flow Chart of Troubleshooting and Circuit Diagrams
10-1. Baseband
10-1-1. Power on ..............................................................................10-1
10-1-2. Initial ....................................................................................10-3
10-1-3. Sim Part ...............................................................................10-4
10-1-4. Charging Part ........................................................................10-5
10-1-5. Microphone Part .....................................................................10-7
10-1-6. Speaker Part .........................................................................10-9
10-1-7. Camera Part ........................................................................10-13
10-2. RF
10-2-1. GSM850/EGSM900 RX ..........................................................10-15
10-2-2. PCS RX ...............................................................................10-16
10-2-3. DCS RX ...............................................................................10-17
10-2-4. GSM850/EGSM900 TX ...........................................................10-18
10-2-5. DCS/PCS TX ........................................................................10-19
10-2-6. BLUETOOTH .........................................................................10-20
11. PCB Diagrams
12. Block Diagrams
12-1. RF Solution Block Diagram ..........................................................12-1
12-2. Base Band Solution Block Diagram ..............................................12-2
13. Reference data