5.2 Nothing display on screen (screen is black, color of LED is
blue)
5. Troubleshooting (continued)
Refer "Checking the backlight unit" section"
OK
NG
OK
Proceed "Abnormal sreen" dection"
OK
NG
1) Change pattern of video signal output on the host.
2) Reconnect the video cable.
3) Change the video cable.
NG
OK
NG
Failure Point
The LCD video signal cable is
disconnected.
Next
Page
Is backlight lit?
Is backlight lit?
Check OSM menu is display on
screen when you push the
"PROCEED" key.
Check if the LCD video signal cable
is connected between the Interface
Board and LCD module.
Check the video cable for failure. Check
the host for output signal is all black or not.
21
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ACER AL1516W
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