Sanyo PLC-XF40 Service Manual page 45

■ Prism P.B.S. adjustment
SLOT-A
SCREW-B
SCREW-B
■ Polarizer adjustment
LEVER-B
SCREW-A
Adjustment :
1. Remove the flexible cables of LCD panels from the
assembly Main. And turn on the projector.
2. Loosen two 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 two screws-B to fix the prism PBS unit.
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. Block the lights of the color which do not
adjust using light block sheets.
4. Move the lever-B in the direction of an arrow
and adjust the brightness on the screen to the
J/C
lowest level of black.
5. Tighten the screw-A to fix the polarizer unit.
6. Adjust the polarizer of other colors.
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J/C