Level 3 Repair
8-3-3. Charging Part
Abnormal charging part
MicroUSB Connector
Change main PBA
Yes
is OK?
Yes
Signal on in
U504 pin15?
Yes
Signal on in
C573, R547?
Yes
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No
No
MICRO USB SWITCH IC
No
8-14
Change
MicroUSB Connector
Replace
Resolder
C573, R547
Replace U506