Charging Part - Samsung SGH-N288 Service Manual

5-3 Charging Part

Abnormal charging part
Check the CN220 pin 1, 2
Check the U303 pin 3
Check the U303 pin 5
Flow chart of trouble shooting
Yes
5 2V ?
Yes
5.2 V ?
Yes
U303 pin 4 = "L" ?
Yes
4.2V ?
Yes
END
No
Replace TA
No
C209, V208, C316
No
Resolder R328
No
Resolder components around
Resolder
U303
5-5