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Flow Chart of Troubleshooting
9-3. Charging Part
Abnormal charging part
Check the U304 pin E9
Check the U304 pin D5
Yes
> 5.0V
Yes
C322 (ACC_DET)
= "L"?
Yes
≒ 1.25V
Yes
END
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No
Check the circuit related to
No
Check the circuit related to
ACC_DET signal
No
Resolder or replace U304
9-5
VBUS_5V_IF
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