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4. TROUBLE SHOOTING
Check the pin and battery
Connect terminals of I/O connector
Connection OK?
No
Yes
Is the u- USB Cable)
voltage 4.8V (or 5.0V)?
No
Yes
Is it charging properly
After turning on?
START
Check PMIC SMT status by X-ray
Exchange PMIC or Change the main
board and Retest
Change I/O connector
Change TA (or u-USB cable)
END
Yes
No
Charger Troubleshooting Flow