Blu LIFE ONE M, Service Manual

Page: 37 / 47

37
Connect the charger without
battery put in, check if the voltage
of positive pole is around 3.6V.
Replace or re-solder CPU
MT6252
If recognize “charger
connected”
Does not charge – does not recognize charging
Change battery Re-flash SW
Resolved
NO
YES
YES
YES
YES
YES
Re-solder
or replace
I/O
connector
There is no symbol
shows charging
Power on and connect charger,
check if ADC is around 0.40A
Check battery connector
testing Pin, if the bias resis
and vatge be normal.
NO
YES
NO