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(8) Prism P.B.S. adjustment
SCREW-B
Fig.62
(9) Polarizer adjustment
SCREW-A
Fig.63
SLOT-A
SCREW-B
LEVER-B
- 94 -
Adjustment :
1. Remove the flexible cables of LCD panels from the
assembly Main. And turn on the projector.
And input the white raster signal (100% of white
raster signal).
2. Loosen 2 screws-B.
3. Insert a slot screwdriver into slot-A, turn it and
adjust the center position of screen to maximum
brightness.
4. Tighten the 2 screws-B to fix the prism PBS unit.
Measure brightness screen center
R, G and B polarizer adjustment :
1. Turn on a projector. And input the black raster
signal (0% of white raster signal).
2. Loosen screw-A on the polarizer unit which you
intend to adjust using ball allen wrench.
3. Move the lever-B in the direction of an arrow
and adjust the brightness on the screen to the
lowest level of black.
4. Tighten the screw-A to fix the polarizer unit.
5. Adjust the polarizer of other colors.
Fig.62a
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