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R15AAC/AAU (vs15)
4.
Nothing displays on screen (Screen is black, color of LED is green)
Is backlight lit?
Refer "Checking the backlight unit" section"
OK
NG
Does computer output RGB video signals?
OK
Check OSM menu is display on screen
when you push the "PROCEED" key.
Proceed "Abnormal sreen" dection"
OK
NG
Check the video cable for failure. Check the host for output signal with
all black only.
1)Change pattern of video signal output on the host.
2)Rsconnect the video cable.
3)Change the video cable.
NG
Check if the LCD module signal cable is connected between the
Interface Board and LCD module.
OK
Next Page
NG
Failure Point
The LVDS cable is disconnected.
