Optical Center Adjustment - Sanyo PLC-XF70 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 ass'y with the adjustment tool. Set the main board
into the groove on the optical unit top. (See the previous pages)
z Integrator adjustment-1
1
Move the Integrator-out and Integrator-in to display the color bands
on the top/bottom or left/right of the screen.
1) To adjust the image vertically as shown in Fig.1-1, loosen 
A
screws , and turn the screws
) To adjust the image horizontally as shown in Fig.1-2, loosen 
c
screws , and move the slot
2
A
Tighten screws and
unit.
B
A
Fig.1-1
B
by using hex drivers.
d
by using a slot screwdriver.
c
to fix the Integrator-out and Integrator-in
Yellow band
Blue band
Blue band
(Target screen image)
Blue band
C
-53-
Color edge
Yellow band
Yellow band
D
Fig.1-2