Optical Center Adjustment - Sanyo PLC-HF15000L Service Manual

Optical Adjustment

1. Optical center adjustment

Take step-z to step-v 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)
z Integrator & PBS adjustment-1
1
Move the integrator(OUT)/PBS and integrator(IN) to adjust the col-
or 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 
A
screws and 1 screw
screwdriver.
) To adjust the image vertically as shown in Fig.1-2, loosen 
d
screws and  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
c
A
B c
, and move the slot
e F
, and turn the screw
G
by using a slot screwdriver.
Yellow band
B
(Bottom)
by using a slot
by using a hex
Yellow band
Fig.1-2
Blue band
e
-6-
Blue band
(Target screen image)
Fig.1-3
Color edge
F
d
G
Yellow band