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Flow Chart of Troubleshooting
7-4. Charging Part
Abnormal charging operation
No
The pin#17, #18 of
CN701 is TA_VEXT ≒
Replace TA or Check CN701
5V ?
Yes
No
Check the U301
The pin#8 of U101 is 3.2~4.2V ?
Yes
The ICHRG = 1.4V(during
No
charging) and ≒ 180mV(full
Solder again or change R310
charging) ?
Yes
END
7-6
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