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4. TROUBLE SHOOTING
Check the pin and bat tery
Con nect ter mina ls of I/O
con nector
Is the u- USB Cable)
voltage 4 .8V (or 5 .0V)?
Is it charging properly
After turning on U401, U402
Check an U202 SMT status
by X-ray
Exc hange U202 or
Change th e Main board
And Retest
LGE Internal Use Only
Start
Con nection OK?
Yes
Yes
NO
[ Charger Troubleshooting Flow ]
- 106 -
NO
Chan ge I/O connector
NO
Change TA
(or u-US B Cable)
Yes
END
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Only for training and service purposes
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Table of Contents
Troubleshooting
