Troubleshooting
DHD410S Service Manual
39
020-001481-01 Rev. 1 (10-2018)
Verify image performance
Is there
a ve
rtical
(or
horizontal) line in
the image?
Doe
s the line remain i
n
the
same
location when
switchi
ng between test
patterns?
Check the
connection between
the DMD board and
the main board.
Does the
line
stil
l
appear in the
image?
Che
ck
the co
nnection between
the DMD module and light
engine module. Ensure there is
no dust on the
socket and
LVDS bus
to DMD (gol
d
finger)
and this need to be
done in a
clean room
Is the
re
noise i
n
the i
m
age?
Ensure that the
signal
cable
an
d si
gn
al
so
ur
ce
are working
Adjust the pixe
l phase
by
selecting:
1. Size & Position
2. Pix
el phase to adjust phase,
in the Menu.
Has the Image
no
ise been
resol
ved?
Replace the
mai
n bo
ard
Yes
No
No
Yes
Yes
No
Yes
1-
4
1-
3
Yes
ŏŰ
Does the
line
sti
ll appe
ar in
the image?
Yes
Repla
ce the
DMD
board
Does the
line
sti
ll
appe
ar in
the image?
Yes
No
No
Yes
No
Re
place the main
board
Summary of Contents for DHD410S
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