SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-6
This Document can not be used without Samsung's authorization
9-3. Charging Part
Check the U504 pin
A53,A54,A55
> 4.9V
Check the circuit related to
USB_VBUS_5V
END
No
Yes
Yes
Yes
No
Check the circuit related to
AUX_ON signal
U504 pin D5(AUX_ON)
= "L"?
Yes
No
Resolder or replace U504
Check the U504 A1
≒
1.4V
Abnormal charging part