Samsung SGH-P408 Service Manual page 19
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Also See for SGH-P408:
- Owner's manual (74 pages) ,
- User manual (8 pages) ,
- Service manual (43 pages)
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4. Charging Part
Abnormal charging operation
The ICHRG = 1V(during
The pin #17, #18 of
CN300 is TA_VEXT
ㆃ 5V?
Yes
The pin #3 of U102 is
"low"?
Yes
The pin #3 of Q101 is
"low"?
Yes
The pin #5 of U101 is
3.2~4.2V"?
Yes
charging)
and ㆃ 180mV(full
charging)?
Yes
END
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SGH-P408 Flow Chart of Troubleshooting
No
Replace TA or Check CN300
No
Check the U102
No
Check the Q101
No
Check the U101
No
Solder again or change R108
3-7
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