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