No Display Of Screen (Screen Is Black, Color Of Led Is Amber) - NEC LCD1501-BK Service Manual

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

Does OSM display when you
push "EXIT", "3", "4", "+" OR "-"
button.
YES
NO
Proceed section 2 "Nothing
display on screen"
When a signal isn't being inputted, it is indicated with "NO SIGNAL".
It is indicated with "OUT OF RANGE" at the time of the frequency that it
over spec. timing.
Check if the sync signal from Computer is output
and if the video cable is connected normally.
NG
OK
Proceed section 7 "Checking the resolution
change IC movement".
6-2
Input the sync signal of computer,
or change the cable.