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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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Checking Flow
START
I/O Connector(CN302)
Is well-soldered ?
Is the voltage of VCHG 5.6V ?
YES
YES
Check the 4th-pin
of U101 High or Low?
YES
Battery is charged?
YES
Charging is
properly operating
NO
NO
NO
Resolder the CN302
Pin 12,13 : VCHG
The TA is out of order
Change the TA
Check the U101
The battery may have
problems.
Change the battery.
NO