Note On White Uniformity Adjustment - Sanyo PLC-WXU700A Service Manual

Electrical Adjustments
11.White Balance adjustment [Video]
1. E nter the service mode.
. R eceive the 16-step grey scale composite video sig-
Video[Video]
nal with
104
3. S elect 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, IC180
and peripheral circuit), readjust the Keystone Offset
adjustment as follows.
1. P ut the projector on a horizontal place with the
adjustable feet being minimum range and then enter
the service mode.
75
. Select group no. " " , item no. "
0 5
value from " " to " " .
SeLeCt
3. B y pressing the
Offset adjustment will start.
4. W hen 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. " 10" , 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. 645 075 9611
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