Sanyo PLC-WTC500L - 2 Mirror Adjustment

-51-
Optical Adjustment
2. Mirror adjustment
(Target screen image)
White
1 Input the 100%-white pattern with WXGA computer signal.
2 Enter the service mode. Select Group "236", No. "0".
3 Change the data value to "1". The lamp mode changes to "Lamp1" and the
mirror motor starts turning continuously.
4 Insert a hex driver into the adjustment screw A and turn it to obtain the
proper white uniformity between the left and right part of the screen.
5 Change the data value to "0" to stop turning the mirror motor and confirm
the white uniformity.
6 Change the data value to "2". The lamp mode changes to "Lamp2" and
the mirror motor starts turning continuously.
7 Insert a hex driver into the adjustment screw B and turn it to obtain the
proper white uniformity between the left and right part of the screen.
8 Change the data value to "0" to stop turning the mirror motor and confirm
the white uniformity.
9 Apply the screw-glue to fix the screws A and B.
10 Confirm the data value is set to "0" and then exit from the service mode.
Note:
* Each time the lamp mode is changed, wait 90 seconds or more till the bright-
ness of lamp becomes stable, and the mirror motor turns for about 5 min-
utes continuously so this adjustment should be done within this period.
* Please refer to “Service Adjustment Menu Operation” for entering the service
mode and adjusting the service data.
A B
Lamp2 Adjustment screw
Lamp1 Adjustment screw
Fig.2
A
B
Group No Data Function
236 0 0 Normal mode
236 0 1 Lamp1 mode
236 0 2 Lamp2 mode