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Flow Chart of Troubleshooting
9-4
9-3. Charging Part
Yes
Check the circuit related to
V_EXT_CHARGE
Check the
PM300
pin 46
≒ 4.2V
PM300
pin 34 = "L"?
Yes
No
Abnormal charging part
Check the
PM300
pin 38
> 4.9V
Yes
Check the circuit related to
AUX_ON signal
Check the circuit related to
V_EXT_CHARGE
Yes
No
Yes
No
Yes
No
END
Abnormal charging part
Check the circuit related to
MES_BATT signal