Troubleshooting
H Series Service Manual
39
020-000802-03 Rev. 1 (12-2016)
Verify image performance
Does the video
image
over HDMI show on
the screen?
Ensure that the si
gnal
cable , signal
source
are
working. and
AV Mute
feature
is turned off.
Does the color
appear normal
Ensure the signal
cable and
signal
source are
w
or
king
Does the color
appear normal?
Yes
No
No
1-2
1-3
Replace the
main board
Does the color
appear normal?
Replace the color
wheel module
No
No
Does the Video
image show
on the
scr
een
Ensure that the
signal cable
and
signal source
are working
.
Does the Video
image show
on the
scr
een
Replace the
Main board
No
No
Yes
Does Video
image
show
on the scr
een
Repla
ce the IO
board
No
Yes
Replace scalar
board
No
No
Yes
Yes
Replace the
Main board
Does video
image
over HDMI show on
the screen?
Yes
Yes
Yes
Does the video
image
over HDMI show on
the screen?
Yes