6-3
2. Nothing displays on screen (Screen is black, color of LED is green)
NG
OK
NG
OK
OK
NG
NG
OK
Is backlight lit?
Refer to section 3
“Checking the backlight unit.
Does computer output RGB
video si
e the video cable.
Check OSM menu is displayed on screen
when you push the “NEXT, Adjust or
Control” key.
Check if the LCD video signal cable is connected
between the MAIN board and LCD module.
Failure point
The cable is disconnected.
Next page
Proceed section 4
“Abnormal screen“.
Check the video cable for failure.
Check the host for output signal with all black only.
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