Condenser Lens Adjustment - Canon LV-S3E/D78-5423 Service Manual

Part 3: Adjustment

3.2 Condenser Lens Adjustment

1. Turn the projector on by a state of without
FPC cables.
2. Adjust the adjustment base of condenser
lens ass'y to make color uniformity in white.
1) If the shading appears on the left or right
of the screen as shown in Fig.3-11, loosen
2 screws A with the 2.0mm hex driver, and
adjust the slot B to make color uniformity
in green by using a slot screwdriver.
2) If the shading appears on the top or
bottom of the screen as shown in
Fig.3-12, loosen 2 screws C with the
2.0mm hex driver, and adjust the slot D
to make color uniformity in green by
using a slot screwdriver.
3. Tighten screws A and C to fix the Condenser
lens unit.
Note: The relay lens adjustment must be
carried out after completing this
adjustment.
Moving of slot B
C
Moving of Slot D
3-14
a White b
Slot B
a
A
b
A
Fig. 3-11
x
White
y
C
y
x
Slot D
Fig. 3-12