LG -P715 Service Manual page 89

Check the USB IO Soldering
LGE Internal Use Only
Start
& Battery Terminal
Connection OK?
Yes
Is the micro USB Cable
voltage 5.1V?
Yes
Is the voltage of D106
4.4~5.0V
Yes
Is it charging properly
Yes
END
[ Charger Troubleshooting Flow ]
No
Change I/O connector
(CN102) or Battery Terminal(CN4001)
No
Change TA
(or micro-USB Cable)
No
Check DIODE(D106) , EMI FILTER
(FL1) soldering Or Change D106 , FL1
No
Check PMIC(U4007) SMT statusby X-ray
Change the Main Board and Retest
- 89 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
Only for training and service purposes