LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 106 -
Start
Check the pin and bat tery
Con nect ter mina ls of I/O
con nector
Con nection OK?
Chan ge I/O connector
Is the u- USB Cable)
voltage 4 .8V (or 5 .0V)?
Change TA
(or u-US B Cable)
Is it charging properly
After turning on U401, U402
END
NO
Yes
NO
Yes
NO
Yes
Check an U202 SMT status
by X-ray
Exc hange U202 or
Change th e Main board
And Retest
[ Charger Troubleshooting Flow ]
Содержание CT815
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