Sanyo PLC-XW10, Service Manual

Page: 20 / 92

-20-
[Before Adjustment]
- Adjustment requires a 2.0mm hex wrench and a slot screwdriver.
- Remove cabinet top following to “Mechanical Disassemblies”.
- Input a 100% of black raster signal.
Note: Do not disconnect the connectors on main and component
boards otherwise the projector can not be turned on.
[R/G/B-CONTRAST ADJUSTMENT]
1. Project desired light component on the screen as follows;
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.1-1/1-2) on the polarized glass mounting
base which you intend to adjust.
3. Adjust a slots
B
as shown in Fig.1-1 to obtain the darkest brightness
on the screen by turning a slot screwdriver.
4. Tighten the screw
A
to fix the polarized glass mounting base.
Repeat steps 1 to 4 for remaining polarized glasses.
B-Polarized Glass
Mounting Base
R-Polarized Glass
Mounting Base
G-Polarized Glass
Mounting Base
A
A
A
Slot B
Fig.1-
2
Fig.1-
1
Polarized
glass
mounting base
CONTRAST ADJUSTMENT
■
Optical Adjustments
Main Board
A