4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Charger Troubleshoot Flow
Check the condition of Micro-USB (I/O)
and travel adaptor
Connection OK?
Is the u-USB
Cable voltage 4.8V (for 5.0V)
Is voltage from OVP
4.8V or 5V?
START
Check the PMIC SMT soldering by using
X-ray.
Swap the PMIC or Main board. Go to first
step
Change I/O connector
Change TA (or u-USB cable)
Swap OVP IC
Is charging ICON
Download New image or check log
Is Voltage switching
after PMIC?
Swap PMIC or Check SMT
soldering by using X-ray