Optical Center Adjustment - Christie LX1750C Service Manual

Optical Adjustment

1. Optical center adjustment

Take step 1-1 to step 1-4 for the optical center adjustment.
Disconnect the FPC cables of the panels and replace each polarized
glass/optical filter assy with the adjustment tool. Set the main board
into the groove on the optical unit top. (See the previous pages)
1-1. Integrator & PBS adjustment-1
1
Move the integrator(OUT)/PBS and integrator(IN) to adjust the color
bands indication on the top/bottom or left/right of the screen.
1) To adjust the image horizontally as shown in Fig.1-1, loosen 2
A
screws and 1 screw
screwdriver.
2) To adjust the image vertically as shown in Fig.1-2, loosen 2
D
screws and 2 screws
driver.
3) To adjust the left and right of the color edge to be minimum as
shown in Fig.1-3, move the slots
2
E
Tighten screws to fix the integrator(IN) unit.
Fig.1-1
Blue band
A
B
, and move the slot
E
, and turn the screw
G
by using a slot screwdriver.
Yellow band
C
B
(Bottom)
C
by using a slot
F
by using a hex
Blue band
Fig.1-2
Yellow band
E
-62-
Blue band
Color edge
(Target screen image)
Fig.1-3
Color edge
F
D
G
LX1750 Service Manual
020-000643-01 Rev.1 (01-2014)
Yellow band