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Check the Connection of uUSB and battery.
And battery should be standard type
Is the uUSB Cable voltage 5.0V
Yes
Is it charging properly After turning on?
LGE Internal Use Only
START
Connection OK?
Yes
Yes
No
Change the main board
END
No
No
Change TA (or uUSB Cable)
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3. TROUBLE SHOOTING
Change I/O connector
Only for training and service purposes
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