Contents
1. How to assemble and disassemble LENOVO X2 ..................................................................... 3
1.1 The phone disassemble guide ........................................................................................ 3
1.2 The phone assemble guide ............................................................................................ 6
2. Main board and Sub FPC layout introduction ........................................................................... 7
2.1 Main board top view ..................................................................................................... 7
2.2 Main board bottom view ............................................................................................... 8
2.3 Sub board top view ....................................................................................................... 8
2.4 Sub board bottom view ................................................................................................. 9
3. Troubleshooting Procedure ..................................................................................................... 10
3.1 No boot ........................................................................................................................ 10
3.2 Touch panel have no effect .......................................................................................... 11
3.3 Charging anomaly ....................................................................................................... 12
3.4 Calling receiver sound has poor quality ...................................................................... 14
3.5 Speaker has no sound .................................................................................................. 15
3.6 LCD has no display ..................................................................................................... 16
3.7 Phone crash ................................................................................................................. 18
3.8 Key has no effect ......................................................................................................... 19
3.9 Communication signal abnormality ............................................................................ 20
3.10 Calling receiver has no sound ..................................................................................... 21
3.11 Microphone has no effect ............................................................................................ 22
3.12 Display color distortion ............................................................................................... 23
3.13 Speaker tone distortion ................................................................................................ 24
3.14 Speaker tone smaller ................................................................................................... 25
3.15 No charging ................................................................................................................. 26
3.16 Camera has no effect ................................................................................................... 27
3.17 Auto shutdown ............................................................................................................ 29
3.18 SIM Card has not be detected ..................................................................................... 30
To Next Page
Loading...
