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3.3Charging fail
3.3.1 When use charger no charging display
Exchange the battery and check
the old battery voltage under 3 V
Check the OVP IC, USB
connectors and components
are soldered around well?
3.3.2 The computer can't find the device
Confirm the same way as
When use charger
no charging
display
Exchange charger or USB
cable workable？
N
N
N
Exchange PMIC
"When use charger no charging display".
Y
Exchange charger
Y
Exchange battery
Y
OK
Y
OK
15
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