Samsung SGH-P408 Service Manual page 19

4. Charging Part
Abnorm al charging operation
The pin #17, #18 of
The pin #3 of U102 is
The pin #3 of Q 101 is
The pin #5 of U101 is
The ICH R G = 1V(during
CN300 is TA_VEX T
¤ó 5V?
Y es
" low" ?
Y es
" low" ?
Y es
3.2~4.2V" ?
Y es
charging)
and ¤ó 180m V(full
charging)?
Y es
END
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SG H- P408 F low Chart of Troubleshooting
No
R eplace TA or C heck CN300
No
C heck the U102
No
C heck the Q 101
No
Check the U101
No
Solder again or change R 108
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