Condenser Lens-Out Adjustment - Canon LV-7355J Service Manual

Part 3: Adjustment

3.3 Condenser Lens-Out Adjustment

1. Turn the projector on by a state of without
FPC cables.
2. Project green and blue lights on the screen.
3. Adjust the adjustment base of condenser
lens-out assy to make color uniformity in
cyan.
1) If the shading appears on the left or right
of the screen as shown in Fig. 3-12,
loosen 1 screw A with the 2.0mm hex
driver, and adjust the slot B to make
color uniformity in cyan by using a slot
screwdriver.
2) If the shading appears on the top or
bottom of the screen as shown in
Fig. 3-13, loosen 1 screw C with the
2.0mm hex driver, and adjust the slot D
to make color uniformity in cyan by
using a slot screw driver.
4. Tighten the screw A and C to fix the relay
lens unit.
b
a
Moving of slot B
Moving of slot D
3-18
a
Cyan
Slot B
A
b
Fig. 3-12
x
Cyan
y
Slot D
C
x
y
Fig. 3-13