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LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
൯Charging Procedure
-Connect TA or USB Cable
-Control the charging current by QSC6270(disable 3G)
-Charging current flows into the battery
තCheck Point
-Connection of TA or USB Cable
-Charging current path
-Battery
තTroubleshooting Setup
-Connect TA and battery to the phone
තTroubleshooting Procedure
-Check the charger (TA or USB Cable) connector
-Check the charging current Path
-Check the battery

4.2 Charger Troubleshooting

Charger Troubleshooting
Check the pin and battery
Connect terminals of I/O
connector
Connection OK? Change I/O connector
No
Yes
Change the main board
Is the TA voltage TP1_5.1V(FL401)? Change TA
No
Yes
Is it charging properly? END
Yes
No
START
[ Charger Troubleshooting Flow ]