LG KF390 Service Manual page 90
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Also See for KF390:
- User manual (90 pages) ,
- Service manual (17 pages) ,
- User manual (196 pages)
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Check the +5V_PWR Pin of I/O
Connector and Battery contact
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Start
terminals
Connection is OK ?
YES
Check TA ( or USB Cable )
Voltage ( 5.1V )
YES
Is it charging properly after
turnning on Q301
NO
Change the Main board
[ Charger Troubleshooting Flow ]
- 91 -
4. TROUBLE SHOOTING
NO
Change I/O Connector
NO
Change TA ( or USB
Cable )
YES
END
LGE Internal Use Only
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Table of Contents
Troubleshooting
