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Flow Chart of Troubleshooting
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9-5
9-3. Charging Part
Check the PAM300 pin 38
> 4.9V
Abnormal charging part
END
No
Yes
PAM300 pin 34(AUX_ON)
= "Low"?
No
Yes
Check the PAM300 pin 36
≒ 1.2V
No
Yes
Check the circuit related to
V_EXT_CHARGE
Check the circuit related to
AUX_ON signal
Resolder or replace PAM300
Yes