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