Charging Part - Samsung SGH-Q105 Service Manual

SGH-Q105 Flow Chart of Troubleshooting and Circuit Diagram

5-4. Charging Part

Abnormal charging part
Check
the pin 14, 15 of CN301
is around 3V
Check the pin 1 of Q201
is "Low"
Check the
pin 1 of Q203 is "Low"
Check the
pin 5 of U201 is around
2.5 V?
END
Y
Y
Y
Y
Y
SAMSUNG Proprietary-Contents may change without notice
N
Resolder Q201, U201, C203, R203
N
Check the U601
Resolder Q203, R207, R206, R208,
N
N
5-4
Replace TA
Q202, ZD203
Change U201