12
VI.
Simple adjustment:
After failure is eliminated in the complete unit, necessary debugging can be carried
out:
1)
Click the “MENU” “1” “1” “4” “7”button in the remote controller to
enter the “factory menu”. According to the prompts, adjust the white
balance, clear EEROM, perform ageing test to the complete unit, etc..
Press “EXIT” button to exit the “factory menu”.
2)
Click the “MENU” button in the remote controller to display the menu.
Click “
←→
” button to select the “CHANNEL” item in the menu. Its sub-
menu should display instantly
Sound available but
image not.
Check for
proper input
signals.
Ensure correct
input of signals.
Replace the
mainboard and see
if image is
outputted.
Replace the
mainboard
Replace the
LT3247E/LT3947E
modular
.
Check the
LT3247E/LT3947
E modular if the
backlight is
Check the lvds
cable or open
cell