Samsung SGH-E200 Service Manual - Page 37
Charging Part
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9-3. Charging Part Abnormal charging part Yes Check the C431 > 4.9V Yes U400 pin 36 = "L"? Yes U400 pin 34 = "L"? Yes END Flow Chart of Troubleshooting No Check the circuit related to V_EXT_CHARGE No Resolder or replace U400 No Check the circuit related to AUX_ON signal 9-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-5
9-3. Charging Part
Yes
Check the circuit related to
AUX_ON signal
Resolder or replace U400
Check the circuit related to
V_EXT_CHARGE
Yes
No
U400
pin 34 = "L"?
Yes
No
U400
pin 36 = "L"?
Yes
No
Abnormal charging part
Check the
C431
> 4.9V
Yes
Check the circuit related to
AUX_ON signal
Check the circuit related to
V_EXT_CHARGE
Yes
No
Yes
No
Yes
No
END
Abnormal charging part