-32-
Optical Adjustments
Before taking optical adjustments below, remove the AV panel and cabinet top following to the “Mechanical Disas-
sembly”.
Adjustments require a 2.0mm hex wrench and a slot screwdriver. When you adjust condenser lens or relay lens
adjustment, you need to disconnect FPC cables of LCD panels on the main board.
WARNING : USE UV RADIATION EYE AND SKIN PRO-
TECTION DURING SERVICING
CAUTION: To prevent suffer of UV radiation, those
adjustment must be completed within 25
minutes.
[Before adjustment]
- Input a 100% of black raster signal.
1
Loosen 1 screw
A
(Fig.1)
on the polarized glass
mounting base which you intend to adjust.
2
Adjust the slot
B
to obtain the darkest brightness on
the screen by using a slot screwdriver.
3
Tighten the screw
A
to fix the polarized glass mount-
ing base.
Repeat steps 1 to 3 for remaining polarized glasses.
- This adjustment should be taken in order of G-panel,
R-panel and B-panel.
- This adjustment should be taken in the darkest room to
adjust preciously.
Contrast adjustment
Fig.1
A
A
A
B
B
B
