Sanyo PLC-XU305A, Service Manual

Page: 25 / 126

-5-
Optical Adjustments
[Before Adjustment]
- Input a 100% of black raster signal.
1
Loosen a 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 hex screwdriver.
3
Tighten the screw
A
to fix the polarized glass mounting base.
Contrast adjustment
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: Do 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.
A
Slot B
Fig.1
Polarized glass
mounting base