Lcd Module Troubleshooting - LG U370 Service Manual

4.13 LCD module Troubleshooting

Main LCD control signals are generated by MSM6245. The signal path is :
MSM6245 → CN102 → LCD Module
Reconnect the LCD Connector
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Only for training and service purposes
Start
Press END Key
KEY LED turns on ?
YES
LCD Display is OK ?
NO
Change the LCD Module
LCD Display is OK ?
NO
Change the Main board
4. TROUBLE SHOOTING
NO
Go to Power on Trouble
Shooting
YES
Change the Main Board
YES
END
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