No Display Of Screen (Screen Is Black, Color Of Led Is Amber) - HP VF15 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
SIGNAL INPUT" or it is
indicated with "OUT OF
RANGE" at the time of
the frequency that it
can't be distinguished.
Check if the sync signal from Computer
Proceed "Checking the resolution change
Page 12
Does OSD display when
you push key button.
Yes
is output and if the video cable is
connected normally.
OK
IC movement" section.
No
Proceed "No OSD display"section.
Input the sync signal of computer, or
NG
change the cable.
vf15 / FP15 / f1523 / FP5315