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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-5
9-3. Charging Part
Check the U403 pin 38
>4.9V
Abnormal charging part
END
No
Yes
U403 pin 34(AUX_ON)
="L"?
No
Yes
Check the U403 pin 46
≒1.4V
No
Yes
Check the circuit related to
V_EXT_CHARGE
Check the circuit related to
AUX_ON signal
Resolder or replace U403
Yes