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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
൯ Charging Procedure
- Connect TA or USB Cable
- Control the charging current by QSC6270(disable 3G)
- Charging current flows into the battery
ත Check Point
- Connection of TA or USB Cable
- Charging current path
- Battery
ත Troubleshooting Setup
- Connect TA and battery to the phone
ත Troubleshooting 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 ]