Troubleshooting
DHD410S Service Manual
38
020-001481-01 Rev. 1 (10-2018)
Verify image performance
Is
the im
age in focus?
Does the color
appear normal
Ensure the si
gnal
cable and si
gnal
source are
working
Follow the color
wheel
and p
hosphor
wheel
index adjust procedure
Does the
color
appear norm
al
?
Yes
No
1-
2
1-3
Replace the
mai
n
board
Does the color
appear normal?
Replace the color
wheel module
No
No
Does the vi
deo
image show
on the
screen
烎
Ensure that
the
si
gnal cable
and
signal source
are worki
ng.
Does the video
image show on
the
screen
Repl
ace the
ECPIO board
No
No
Yes
Does video
image
show
on the screen
Replace the main
board
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Mak
e sure
the
projection distan
ce is
in spec
and do
focus
adjustment
Is the projection
lens clean?
No
Change
engine
module
No
No
Use the soft
cloth
to
clean the l
ens
Is focus
ok?
Summary of Contents for DHD410S
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