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4.12 Main LCD
Main LCD control signals are generated by MSM6280. The signal path is :
MSM6280 → CN501(80pin Con) → LCD Module
Press END k ey
Key LED is on?
Discon nect and reco nne ct
The LCD co nnec tor(80pi n Con)
Discon nect and reco nne ct
The LCD co nnec tor(44pi n Con)
LCD dis play OK?
Change of new LCD
Chan ge th e Main board
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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GO to po wer on trouble s hooting
Yes
Yes
Yes
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No
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Yes
NO
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4. TROUBLE SHOOTING
LGE Internal Use Only
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Table of Contents
Troubleshooting
