Canon LV-7545U, Service Manual

Page: 67 / 130

3.3 Relay Lens (OUT) Adjustment
1. Turn on lamp with the FPC cable of the LCD
panel removed.
2. Adjust the adjustment base of relay lens
ass'y (OUT) to make color uniformity in
white.
1) If the cyan shade appears on the left or
right of the screen, loosen a screw A with
the hex driver and turn slot B with a slot
screwdriver to make color uniformity in
white. (See Fig. 3-19.)
2) If the cyan shade appears on the top or
bottom of the screen, loosen 2 screws C
with the hex driver and turn slot D with a
slot screwdriver to make color uniformity
in white. (See Fig. 3-20.)
4. Tighten the screws A and C to fix the relay
lens unit.
Part 3: Adjustment
3-21
Fig. 3-19
Fig. 3-20
A
Slot B
a
b
a b
White
Cyan
Rotation of slot B and screen movement
Screw D
y
x
C
y
x
White
C
Cyan
Rotation of slot D and screen movement