Optical Adjustment - Sanyo PLV-Z2 Service Manual

■ Optical Adjustment

Before taking optical adjustments below, remove the Cabinet Top and Main Board following to the "Mechanical
Disassemblies"
Adjustments require a 2.0mm hex wrench and a slot screwdriver. When you adjust Integrator lens or Relay lens
adjustment, you need to disconnect some connectors and FPC cables of LCD panels on the main board.
Note:
Do not disconnect connectors on the main board, because the projector can not turn on or operate properly for
adjustment.
1.
CONTRAST ADJUSTMENT
[Before Adjustment]
- Input a 100% of black raster signal.
[R/G/B-CONTRAST ADJUSTMENT]
A
1. Loosen a screw on the polarized glass mounting base which
you intend to adjust.
2. Turn the polarized glass mounting base as shown in Fig. 1 to
obtain the darkest brightness on the screen.
A
3. Tighten the screw to fix the polarized glass mounting base.
Repeat steps 1 to 3 for remaining polarized glasses.
B-Polarized Grass
Mounting Base
A
A
G-Polarized Grass
Mounting Base
Slot B
Polarized Glass
Mounting Base
R-Polarized Grass
Mounting Base
A
-23-
A
Fig. 1
Fig. 2