Flow Chart of Troubleshooting and Circuit Diagrams
5-5
5-3 Charging Part
Abnormal charging part
Replace TA
Check the CN301 pin 17,18 > 4.9 V ?
No
Yes
Yes
Check the U103 pin 3 > 4.9 V ?
Resolder U103, U915
Yes
No
R103(CHG_ON side) = "L" ?
Resolder R103
Yes
No
Resolder components around
U103
Check the U106 pin 5 4.2V ?
END
Yes
No