Charging Part - Samsung SGH-P270 Service Manual

Flow Chart of Troubleshooting

9-1-4. Charging Part

Abnormal charging part
Yes
Check the circuit related to
Check the U400 pin
No
A53,A54,A55
> 4.9V VCHG_5V
Yes
Check the circuit related to
U400 pin D5(AUX_ON)
No
= "L"?
AUX_ON signal
Yes
END
9-8
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