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Flow Chart of Troubleshooting
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9-5
9-3. Charging Part
Yes
Resolder or replace PM300
Check the circuit related to
ACC_DET
signal
Check the circuit related to
VBUS_5V_IF
Yes
No
Check the PM300 pin D5
≒
1.25V
Yes
No
C327 (ACC_DET)
= "L"?
Yes
No
END
Abnormal charging part
Check the PM300 pin E9
> 5.0V