Lenovo P70-A Руководство по эксплуатации - Страница 11
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Repair Manual of Lenovo P70-A Mobile Phone
4.2
Camera defects
4.2.1 Rear camera defects
Can not take photos
Check to see whether the camera
module is in the right position by
disassembling and whether the module
is OK after reassembling module
Whether the camera is OK
after replacing the camera
module
Check to see whether the camera
module connector is welded well;
whether the camera is OK after
overlaying welding the connector?
Check to see whether the EMI
device is complete and welding is
in good condition; if not; repair
EMI device(Z1701—Z1705)
Check to see whether
the front camera is
abnormal
Check to see whether the main
chip
U401
welded?
N
Y
N
N
N
N
Y
N
are
normally
Y
OK
OK
Y
OK
Recheck after overlaying welding
Recheck after replacing front
camera
Re-weld or replace U401
N
10