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