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SGH-E710 Flow Chart of Troubleshooting and Circuit Diagrams
2-
4
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4. Charging Part
The pin #17,18 of CN101
(VEXT) is 5V ?
Replace TA or check CN101
Abnormal charging operation
END
Check the U102
YES
NO
NO
The pin#2 of U102 is Low?
YES
The pin#3 of U102 is Low?
YES
Check the U102
NO
The pin#5 of U101 is
3.2~4.2V?
Check the U101
NO
The ICHRG =1V(during charging)
& 180mV(full charging)?
YES
YES
Solder again or change
R119
NO