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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
LG530G
61/87
[ Charger Troubleshooting Flow ]
☞
Charging Procedure
- Connect TA or USB Cable
- Control the charging current by QSC6270
- Charging current flows into the battery
☞
Check Point
- Connection of TA or USB Cable
- Charging current path
- Battery
☞
Troubleshooting Setup
- Connect TA and battery to the phone
☞
Troubleshooting Procedure
- Check the charger (TA or USB Cable) connector
- Check the charging current Path
- Check the battery
4.8 Charger Troubleshooting
Check the pin and battery
Connect terminals of I/O
connector
Connection OK?
Change I/O connector
Is the TA voltage 5.1V?
Change TA
END
NO
Yes
NO
NO
Yes
Change the main board
Start
Is it charging properly?
Yes
START
Connection OK?
Change I/O connector
No
Yes
Change the main board
Is the TA voltage 5.1V?
Change TA
No
END
No
Yes
Is it charging properly?
Yes
Check the pin and battery
Connect terminals of I/O
connector
[ Charger Troubleshooting Flow ]
4.8 Charger Troubleshooting