Acer RA19WAANU Service Manual download pdf (Page 20)

5. Troubleshooting

Does OSM display when you push

PROCEED buttom.

Yes

No Proceed "No OSM display" section.

Check if the sync signal from computer is

output and if the video cable is connected

normally.

Proceed "checking the resolution change IC

movement" section.

Input the sync signal of computer, or change

the cable.

When a signal isn't being inputted, it is

indicated with "No Signal Input". it is

indicated with "Out Of Range" at the time

of the frequency that it can't be

distinguished.

5.1 No display on the screen (Screen is black and colour of LED is amber.)

Go to cover page

ACER X193HQ

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Acer RA19WAANU Service Manual Page 20