Note On White Uniformity Adjustment - Sanyo PLC-WXU700 Service Manual

Electrical Adjustments
11.White Balance adjustment [Video]
1. Enter the service mode.
2. Receive the 16-step grey scale composite video sig-
Video[Video]
nal with
104
3. Select group no. "
223
" " (Blue), and change Data values respectively to
make a proper white balance.
Confirm that the same white balance is obtained in vid-
eo and computer input.
12.Keystone Offset adjustment
After replacing the G-sensor circuit (IC3851, IC1802
and peripheral circuit), readjust the Keystone Offset
adjustment as follows.
1. Put the projector on a horizontal place with the
adjustable feet being minimum range and then enter
the service mode.
75
2. Select group no. " " , item no. "
0 5
value from " " to " " .
SELECT
3. By pressing the
Offset adjustment will start.
4. When it has completed, the "OK" message will
appear on the screen.
5. By pressing any button on the projector or the
remote control, the "OK" message will disappear.
(Data value of Group no. " 102" , item no. " 3" will be
back from " 5" to " 0" for initial value.)
mode.
217
" item no. " " (Red) or
3
" and set data
button, the Keystone
13. Color Shading Correction adjustment
If the correction of the Color shading adjustment is nec-
essary, please adjust the "Color shading" by using the
"COLOR SHADING CORRECTION" software supplied
separately.The color shading correction adjustment for
this model should be performed with the whole-gray
patterns specified as below.
4-input patterns:
6% gray, 12.5% gray, 25% gray, 50% gray

Note On White Uniformity Adjustment

If you find the color shading on the screen, please
adjust the white uniformity by using the proper com-
puter
and "Color Shading Correction" software supplied sep-
arately.
The software can be order as ordered as follows;
COLOR SHADING CORRECTION Ver. 4.00
Service Parts No.
-31-
645 075 9611