Charging Part - Samsung SGH-X600 Service Manual

SG H- X 600 F low Chart of T roubleshooting

3. Charging Part

A bnorm al charging part
C heck the U 203 pin 13, 14
U 203 pin 11 = " H " ?
Q 200 pin 5 (C H G _O N )
C heck the U203 pin 7
Y es
> 4.2V ?
Y es
Y es
= " L " ?
Y es
= " H "?
Y es
E N D
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
N o
C heck the circuit related to
V _E X T_C H A R G E
N o
R esolder or replace U 203
N o
C heck the circuit related to
N o
7- 5
C H G _O N signal
R esolder R 231