Lenovo P70-A 서비스 매뉴얼 - 페이지 14
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Repair Manual of Lenovo P70-A Mobile Phone
4.4
Charging
4.4.1 No charging display after plugging the charger in
No charging display after
plugging the charger in
Check whether the charging is normal
after replacing the charger (J801).
Replace the battery and see whether the
charging is normal? Measure the battery
voltage to see whether it is less than 3V
Check to see whether U630 module
device is well welded? Whether it is
normal after re-welding
N
N
N
Replace U503
13
Y
Replace the charger
Y
Replace the battery
Y
OK
Y
OK