Flow Chart of Troubleshooting and Circuit Diagrams
5-5
5-3 Charging Part
Abnormal charging part
Replace TA
Check the J105 pin 17,18 = 5.0 V ?
No
Yes
Yes
Check the U104 pin 3 = 5.0 V ?
Resolder C135
Yes
No
R113(CHG_ON side) = "L" ?
Resolder R113
Yes
No
Resolder components around
U104
Check the U104 pin 5 4.2V ?
END
Yes
No