Samsung SGH-S108 Service Manual page 21

3. Char ging
Abnor mal charging operation
The pin #22, #23 of
CN300 is TA_VEXT ¤ó
The pin #2 of U102 is
The pin #3 of Q101 is
The pin #5 of U101 is
The ICHRG = 1V(dur ing charging)
5V?
Yes
"low"?
Yes
"low"?
Yes
3.2~4.2V"?
Yes
and ¤ó 180mV(full
charging)?
Yes
END
SAMSUNG Proprietary-Contents may change without notice
SGH- S108 E xploded view and its Part list
No
Replace TA or Check CN300
No
Check the U102
No
Check the Q101
No
Check the U101
No
2- 3
Solder again or change R111