Table of Contents
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Flow Chart of Troubleshooting
10-3. Charging Part
Abnormal charging part
Check the U502 pin 9
Yes
Check the C506
> 4.9V
Yes
Check U502 pin 5
= 'L' ?
Yes
≒ 4.2V
Yes
END
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Check the circuit related to
No
No
Check the circuit related to
No
Resolder or replace U502
10-11
EXT_5V and U502
TA_nCHG signal
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