No Display Of Screen(Screen Is Black ,Color Of Led Is Amber) - NEC MultiSync LCD1550ME Service Manual

1. No display of screen (Screen is black, color of LED is amber)
When a signal isn't being
inputted, it is indicated
with "NO VIDEOINPUT". It
is indicated with "OUT OF
RANGE" at the time of the
frequency that it can't be
distinguished.
Does OSM display when you push
key button.
NO
YES
Check if the sync signal from
Computer is output and if the
video cable is connected normally.
NG
OK
Proceed "Checking the resolution
change IC movement" section.
Pressed "No OSM display" section.
Input the sync signal of computer, or
change the cable.
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