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Go to cover page
5. Troubleshooting (continued)
5.2 Nothing displays on the screen (Screen is black and colour of LED is blue.)
Is backlight lit?
NG
OK
Does computer output RGB video signals?
NG
OK
Refer "Checking the backlight unit" section"
Check the video cable for failure. Check the host for output signal is all
black or not.
1)Change pattern of video signal output on the host. 
2) Reconnect the video cable.
3)Change the video cable.
Check OSM menu is display on screen when you push the "PROCEED" key.
NG
OK
Proceed "Abnormal sreen" dection"
Check if the LCD video signal cable is connected between the Interface
Board and LCD module.
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| NG |
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OK |
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| The LCD video signal cable is disconnected. | |
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