Integrator Lens Adjustment - Canon LV-7215U Service Manual

Part 3: Adjustment

3.2 Integrator Lens Adjustment

1. Turn the projector on by a state of without
FPC cables.
2. Project all of lights on the screen.
3. Adjust the adjustment base of integrator
lens assy to make color uniformity in white.
1) If the shading appears on the left or right
of the screen as shown in Fig.3-13,
loosen 2 screws A, and adjust the slot B
to make color uniformity in white by
using a slot screwdriver.
2) If the shading appears on the top or
bottom of the screen as shown in
Fig.3-14, loosen 2 screws C, and adjust
the slot D to make color uniformity in
white by using a slot screwdriver
4. Tighten screws A and C to fix the Integrator
lens unit.
CAUTION
The relay lens adjustment
must be carried out after
completing this adjustment.
Slot B
Moving of slot B
Moving of Slot D
3-20
a White b
A
A
a
b
Fig. 3-13
x
White
y
C
x
y
Slot D
Fig. 3-14