Charging Part - Samsung SGH-E600 Service Manual

SGH-E600/E608 Flow Chart of Troubleshooting and Circuit Diagrams

4. Charging Part

Abnormal charging part
Check the pin 17,18 of
CN300 VEXT is > 4V
Check the pin 2 of Q103
is "LOW"
Check the pin 3 of Q100
is "LOW"
Check the pin 5 of U101
is "3.2~4.2V"
Check if ICHRG is 1V
(during charging) and
around 180mV(full
charging)
END
TA_VEXT
CHG_ON
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
1 ISENSE
2
3
C117
10UF
10 V
Q10 3
6
1
2
5
3
4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Q100
PSC_RS T
6
5
2
4
1
U101
3
6
DRIVE
GN D
5
VSENS E
PROG 4
VC C
R105
47K,1%
TA_VEXT
R10 6
3K
2-4
Check U100
Check the U600
Check the Q100
Check the U101
Resolder or change R104
VBA T
C116
10U F
10V
R104 0
ICHRG