Troubleshooting
H Series Service Manual
41
020-000802-03 Rev. 1 (12-2016)
Verify image performance
Is the image in focus?
Re
-i
n
sta
ll
or
repalce the lens
Is the image
uniform
ity good?
No Fault
Found
End
Make s
u
re
that the lens i
s
clean
Is the brightness of the
com
bi
ner
in spec?
Replace the
combiner
module
Re
place the light
engine modul
e
No
Yes
Yes
No
Yes
No
Are the projector
lens and
screen
clean
?
No
Yes
1-4
Is the lens
shift
working correctly?
Is the ho
ri
zontal le
ns
shift working correctl
y?
Re
place the
ho
ri
zon
tal le
ns
mo
tor.
Is the vertical lens shift
working correctly?
Re
place the
vertical l
ens
mo
tor.
Re
place the
light engine
Yes
Yes
Re
place the
light engine
Yes
Is the image
uniformity
good
?
No
Is the image
uniform
ity good?
No
Yes
Yes
Is the ho
ri
zontal le
ns shift
working correctly?
Is the vertical lens shift
working correctly?
No
No
No
Yes
Yes
Is the ho
ri
zontal le
ns
shift working correctl
y?
Is the vertical lens shift
working correctly?
Re
place the
ma
in bo
ard
No
No
Yes
Mak
e sure
the
projecti
on
distance is
in
spec and
adjust
the focus
Button
Ensure the lens is
installed corre
ctly.
No
Is the image
in focus?
Complete a
focus adjustment
No
Yes
No
Use the soft
cloth
to
clean the lens
No
Yes