
-19-
[Before Adjustment]
- Input a 100% of black raster signal.
[R/G/B-CONTRAST ADJUSTMENT]
1
Loosen a screw
A
(
Fig.1-1/1-2
) on the polarized glass mounting
base which you intend to adjust.
2
Turn the polarized glass mounting base as shown in
Fig.1-1
to
obtain the darkest brightness on the screen.
3
Tighten the screw
A
to fix the polarized glass mounting base.
Repeat steps 1 to 3 for remaining polarized glasses.
B-Polarized Glass
Mounting Base
R-Polarized Glass
Mounting Base
G-Polarized Glass
Mounting Base
A
A
A
Fig.1-
2
Fig.1-
1
Polarized
glass
mounting base
■
Optical Adjustments
Main Board
A
Contrast 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.
Note: Do not disconnect connectors K8L, K8X, K8D, K8G and K8E on the main board, because the projector can
not turn on due to operate the power failure protection.
Содержание PLV-70
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