Charging Part - Samsung GT-S5230 Service Manual

Flow Chart of Troubleshooting

9-3. Charging Part

Abnormal charging part
Yes
Check the U300 pin H11
Check the circuit related to
No
V_EXT_CHARGE
> 5.0V
Yes
TP304 pin (ACC_DET)
No
Check the circuit related to
AUX_ON signal
= "L"?
Yes
Check the U300 pin K11
No
Resolder or replace U300
≒ 1.25V
Yes
END
9-5
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