-40-
Optical Adjustment
Mirror adjustment
1
Loosen 4 screws-
A
and
C
on the mirror unit.
2
Enter the service mode. Select Group "
152
", No. "
0
" and set data value
to "
3
". The magenta color will appear on the edges of the screen. Exit
service mode.
3
Select the internal test pattern signal "All black" from the projector's
menu "Menu -> Setting -> Test pattern".
4
Move the mirror so that the magenta color appeared on screen edg-
es becomes the same width.
-
Insert a slot driver into the slot
B
or slot
D
and turn it to move the
image as shown in the figure below.
5
Enter the service mode. Select Group "
152
", No. "
0
" and set data value
to "
0
". Check that the magenta color on the edges of the screen will
disappear . Exit service mode.
6
Select the internal test pattern signal "All white" from the projector's
menu "Menu -> Setting -> Test pattern". Check there is no color
shading on the screen edges.
7
Tighten screws
A
and
C
to fix the mirror unit gently.
(Target screen image)
A
B
C
D
Image moving by slot B
Image moving by slot D
White
Magenta
Magenta
DS+750 Service Manual
020-000211-01 Rev. 1 (06-2009)
Summary of Contents for DS+750
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