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4. Charging Part
Abnormal charging operation
The pin #17, #18 of
CN300 is TA_VEXT 뵃
The pin #4 of U103
The pin #4 of U102
The pin #6 of U102 is
The pin #5 of U102 is
LOW(During charging)
The ICHRG = 1V(during
This Document can not be used without Samsung's authorization
5V?
Yes
is "HIGH"?
Yes
is "HIGH"?
Yes
LOW
Yes
Yes
charging)
and 뵃 180mV(full
charging)?
Yes
END
SAMSUNG Proprietary-Contents may change without notice
SGH-E850 Flow Chart of Troubleshooting
No
Replace TA or Check CN300
No
Check the U101,U103
No
Check the U102
No
Check U102 or TA
No
Check U102 or TA
No
Solder again or change
2-8
R118
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