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5-3 Charging Part
Abnormal charging part
Yes
No
Check the CN300-1 pin 17,18 > 5 V ? Replace TA
Yes
No
Check the U104 pin 3 > 5 V ? Resolder C115
Yes
No
U104 pin 4 = "L" ? Resolder R103
Yes
No
Check the U104 pin 5 4.2V ?
Resolder components around U104
Yes
END
5-5
Flow chart of Troubleshooting and Circuit Diagram
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