Trouble Sh ooting
Page 1
A L502
1. No display of screen (Screen is black, color of LED is amber)
Does OSD display when
you push key button.
Yes
Check if the sync signal from Computer
is output and if the video cable is
connected normally.
No
Proceed "No OSD display"section.
OK
Proceed "Checking the resolution change
IC movement" section.
NG
Input the sync signal of computer, or
change the cable.
When a signal isn't
being inputted, it is
indicated with "VIDEO
INPUT". It is indicated
with "OUT OF RANGE"
at the time of the
frequency that it can't be
distinguished.
