LG LG-P970 - Main LCD Trouble

4. TROUBLE SHOOTING
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Only for training and service purposes
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Press PWR key turn the power On
Is the circuit powered?
Yes
END
Follow the Power ON
trouble shooting
No
LCD display OK?
START
No
Check Power
VCC_LCD_1V8
VCC_LCD_2V8
V_POWERALL
No
Change the Main board
Disconnect and reconnect
LCD connector
Change the LCD module
The LCD works
Yes
Yes
Yes
4.14 Main LCD trouble
Main LCD control signals are generated by OMAP3630. Those signal’s path are : OMAP3630-> LCD Module