-39-
Optical Adjustments
[Before Adjustment]
- Adjustment requires a 2.0mm hex driver.
- Remove cabinet cover following to step1 of “Mechanical Disassemblies”.
- Input a 100% of black raster signal.
[R/G/B-CONTRAST ADJUSTMENT]
1. Insert paper etc. in front of the LCD panels to block unneces-
sary lights.
When adjusting the R-Contrast, project red light only.
When adjusting the G-Contrast, project green light only.
When adjusting the B-Contrast, project blue light only.
2. Loosen a screw A (Fig.7/8) on the polarized glass mounting
base which you intend to adjust.
3. Turn the polarized glass mounting base as shown in Fig.7 to
obtain the darkest brightness on the screen.
4. Tighten the screw A to fix the polarized glass mounting base.
Repeat steps 1 to 4 for remaining polarized glasses.
R-Polarized
glass
B-Polarized
glass
G-Polarized
glass
A
A
A
A
Fig.8
Fig.7
Polarized glass
mounting base
Polarized
glass
CONTRAST ADJUSTMENT
Содержание PLC-EF12B
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