Optical Adjustments; Contrast Adjustment - Sanyo PLC-WXU700 Service Manual

Optical Adjustments

Before taking optical adjustments below, remove the Cabinet Top following to the "Mechanical Disassembly" .
Adjustments require a .0mm hex wrench and a slot screwdriver. When you adjust Integrator lens or Relay lens
adjustment, you need to disconnect FPC cables of LCD panels on the main board.
Optical adjustment requires a .0mm hex wrench and a slot screwdriver.
Note: D o not disconnect connectors on the main board, because the projector cannot turn on due to operate the
power failure protection.
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.

Contrast adjustment

[Before Adjustment]
- Input a 100% of black raster signal.
1
A (Fig.1)
L oosen a screw
which you intend to adjust.
2
B
A djust the slot to obtain the darkest brightness on the screen by
using a slot screwdriver.
3
A
T ighten the screw to fix the polarized glass mounting base.
Repeat steps 1 to  for remaining polarized glasses.
on the polarized glass mounting base
Slot B
Polarized glass
mounting base
--
A
Fig.1