SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-11
10-3. Charging Part
Yes
Resolder or replace U502
Check the circuit related to
TA_nCHG signal
Check the circuit related to
EXT_5V and U502
Yes
No
Check the U502 pin 9
≒
4.2V
Yes
No
Check U502 pin 5
= 'L' ?
Yes
No
END
Abnormal charging part
Check the C506
> 4.9V
Содержание SGH-I740c
Страница 108: ......