FLY SERVICE SUPPORT
Contents
1. FS501 key features ...............................................................................................................3
1.1 FS501 brief introduction.....................................................................................................3
1.2 Function diagram................................................................................................................4
1.3 Mainboard component distribution diagram.......................................................................5
1.4 Main IC Names...................................................................................................................7
2. RF.........................................................................................................................................8
2.1 WCDMA RF power trouble................................................................................................8
2.2 GSM RF power trouble........................................................................................................9
2.3 WCDMA RX trouble........................................................................................................11
2.4 GSM RX trouble...............................................................................................................12
2.5 WiFi/BT/BT Part .............................................................................................................14
3. Baseband section ..................................................................................................................7
3.1 Outline..............................................................................................................................16
3.2 Common Failure Analysis and Maintenance....................................................................17
3.2.1 Power failure Check..............................................................................................17
3.2.2Audio faults...........................................................................................................18
3.2.3 LCD Fault..............................................................................................................22
3.2.4 FM.........................................................................................................................23
3.2.5 Camera fault...................................................................................................................24
3.2.6 SIM card failure ....................................................................................................25
3.2.7Motor test is invalid...................................... Ошибка! Закладка не определена.
3.2.8 Gravity Sensor.......................................................................................................26
3.2.9 T-Flash fault...........................................................................................................27
3.2.10Touch Panel function............................................................................................27
3.2.11 Cannot boot failure..............................................................................................28
