Charging Part - Samsung SGH-T329 Service Manual

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9-3. Charging Part

Abnormal charging part
Abnormal charging part
Check the
Check the
Yes
Yes
U501
pin 1
> 4.9V
Yes
Yes
U501
pin 5 = "L"?
Yes
Yes
U501
pin 3 = "L"?
Yes
Yes
U501
pin 10
≒ 4.2V
Yes
Yes
END
END
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Check the circuit related to
Check the circuit related to
No
No
No
No
Resolder or replace U501
Check the circuit related to
Check the circuit related to
No
No
No
No
Resolder or replace U501
9-5
Flow Chart of Troubleshooting
V_EXT_CHARGE
V_EXT_CHARGE
AUX_ON signal
AUX_ON signal

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