Lenovo A5000 Service Manual
1
Lenovo A5000
Service manual
LENOVO
2
contents
1. Assembly and disassembly guide.............................................................................................. 3
1.1 Disassembly guide ..................................................................................................... 3
1.2 Assembly guide ........................................................................................................... 12
2. PCBA layout ........................................................................................................................... 12
2.1 TOP ............................................................................................................................. 12
2.2............................................................................................................................................ 12
3. analysis and elimination of common failures of flow ....................................................... 13
3.1 no power on ................................................................................................................. 14
3.2 CTP problem ............................................................................................................... 15
3.3 No display ................................................................................................................ 18
3.4 dead ............................................................................................................................. 20
3.5 NO key ........................................................................................................................ 21
3.6 Bad display screen ...................................................................................................... 22
3.7 NO SPK ...................................................................................................................... 23
3.8 small bell ..................................................................................................................... 23
3.9 No charge .................................................................................................................... 25
3.10 Can't take pictures ....................................................................................................... 26
3.11 Automatic shutdown ................................................................................................... 26
3.12 The board leakage ....................................................................................................... 28
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1. Assembly and disassembly guide
Battery cover
1.1 Disassembly guide
1) Remove battery cover
PIC1
PIC2
2) Remove 8PCS screws
4
3) Remove B cover
PIC3
PIC1
5
B cover
4) Remove battery
PIC2
6
5) Remove PCBA
Battery FPC
connector
battery
7
Main FPC CONN.
RF cable CONN.
LCD CONN.
Back CAM conn.
CTP connector
3PCS screws
LCD FPC mala
Side Key FPC
PIC1
8
6) Remove FPC
FPC mala
3 in 1 module
PCBA
PIC2
图一
9
RF CONN.
Main FPC
MIC
moto
1PCS screws
7) Remove RF cable and sub PCBA
PIC1
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