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4. Charging Part
Abnormal charging part
Check the pin 17, 18
of CN300 is more than
U101 is "3.2~4.2V"?
Check the ICHRG is
1V(during charging)
and around 180mV(full
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SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
Yes
4V.
Yes
Check the pin 2 of
Q102 is "low"?
Yes
Check the pin 3 of
Q102 is "low"?
Yes
Check the pin 5 of
Yes
charging)?
Yes
END
No
Replace TA, Check CN300
No
Check the U601
No
Check the Q102
No
Check the U101
No
Resolder or change R102
2-3
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