Lenovo VIBE X2 Manuale di servizio - Pagina 2
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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
Contents
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