Charging Part - Samsung SGH-T100 Service Manual

5-3 Charging Part

Abnormal charging part
Check the CN4-1 pin 17,18 > 5 V ?
Check the U107 pin 3 > 5 V ?
U107 pin 4 = "L" ?
Check the U107 pin 5 °÷ 4.2V ?
5-4
Yes
Yes
Yes
Yes
Yes
END
No
Replace TA
No
Resolder C128
No
Resolder R124
No
Resolder components
around U107
Flow chart of Troubleshooting and Circuit Diagram