Optical Adjustments - Sanyo PLC-XF20 Service Manual

Optical adjustments

Adjustment parts location
Focus and
Convergence
adjustment
1. Adjustment requires allen wrenches, ball allen wrenches and slot screwdrivers sets.
2. Set the lens shift (up and down/ right and left) to be center position.
3. Test pattern display is in service mode.
a) Set the service mode.
b) Select data no. 40-0.
c) Press the point up or down buttons, and white grid pattern is displayed.
d) Press the input-1/2 or -3/4 buttons, and each color grid pattern is displayed.
e) Press menu button to quit the service mode.
4. Remove the cabinet top refer to "Mechanical Disassemblies".
Condenser lens
adjustment
Relay lens
adjustment
Before Adjustment
-35-
Integrator lens out
adjustment
Prism PBS
adjustment
Integrator lens in
adjustment
Polarized
glass
adjustment