
SAMSUNG Proprietary-Contents may change without notice
SGH-S400i Flow Chart of Troubleshooting
2-
26
This Document can not be used without Samsung's authorization
2-1-9. Charging Part
Charging does not work
Check IFC102
Pin #17, 18 ≥ 3.8V ?
Check BTC103
Pin #3 ≥ 3.8V ?
Check the TC
Check the path of
IFC102 and BTC103
END
No
No
Yes
See the indicator of
charger is red ?
Again, Check the IFC102
and Battery Condition
No
Yes
Yes
Pin #5 of U306 = Low ?
Check UCP201, U316, R326
No
Yes
Pin #7 of U306 ≥ 3.8V ?
Check U306 and related parts
No
Yes