Acer AL1702 Service-Handbuch - Seite 13

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Acer AL1702 Service-Handbuch

1. No display of screen (Screen is black, color of LED is amber)

When a sugnal isn't being inputed, it is
indicated with "VIDEO INPUT". it is
indicated with "OUT OIF RANGE" at the
time of the frequency that it can't be
distinguished.
Does OSM display when you push
PROCEED buttom.
Yes
Check if the sync signal from computer is
output and if the video cable is connected
normally.
OK
Proceed "checking the resolution change
IC movement" section.
No
Proceed "No OSM display" section.
Input the sync signal of computer, or
NG
change the cable.
AL1702
Page 11