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SGH-X600 Flow Chart of Troubleshooting
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7-
5
3. Charging Part
Check the U203 pin 13, 14
> 4.2V ?
Abnormal charging part
END
No
Yes
U203 pin 11 = "H"?
No
Yes
Q200 pin 5 (CHG_ON)
= "L"?
No
Yes
Check the U203 pin 7
= "H" ?
No
Yes
Check the circuit related to
V_EXT_CHARGE
Resolder or replace U203
Check the circuit related to
CHG_ON signal
Resolder R231
Yes