LG 410G Service Manual page 47

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