LG LG-P715 - Page 89

4. TROUBLE SHOOTING
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[ Charger Troubleshooting Flow ]
Connection OK?
Change I/O connector
(CN102) or Battery Terminal(CN4001)
Check the USB IO Soldering
& Battery Terminal
Yes
Yes
Yes
Yes
END
Start
Is the micro USB Cable
voltage 5.1V?
Change TA
(or micro-USB Cable)
No
No
No
No
Is the voltage of D106
4.4~5.0V
Check DIODE(D106) , EMI FILTER
(FL1) soldering Or Change D106 , FL1
Is it charging properly
Check PMIC(U4007) SMT statusby X-ray
Change the Main Board and Retest