Note On White Uniformity Adjustment; Common Center Adjustment - Sanyo PLC-XU106 Service Manual

Electrical Adjustments
6. Auto calibration adjustment [Video]
1. Enter the service mode.
. Receive the 16-step grey scale composite video sig-
Video
nal with mode.
3. To start the auto-calibration for Component adjust-
ment, select group no. "
change data value from "
bration completed, "OK" will appear on the screen.
below adjustment is performed when the above auto
calibration is failed.
Gain adjustment [Video]
1. Enter the service mode.
. Receive the 16-step grey scale composite video signal
Video
with mode.
3. Connect an oscilloscope to test point "
chassis ground (-).
20
4. Select group no. " ", item no. "
a
tude " " to be minimum by changing the Data value.
White Level
(a)

7. common center adjustment

1. Enter the service mode.
. Receive the 50%-Whole Gray computer signal with
computer1 [rGB] mode.
100
3. Select group no. " ", item no. "
2
data value to " " to reduce the panel frequency.
4. Project only green light component to the screen.
101
5. Select group no. " ", item no. "
value to obtain the minimum flicker on the screen.
6. Project only red light component to the screen.
0
7. Select item no. " " and change data value to obtain
the minimum flicker on the screen.
8. Project only blue light component to the screen.
2
9. Select item no. " and change data value to obtain
the minimum flicker on the screen.
100
10. Select group no. "
0
data value to " " to reset the panel frequency.
260 0
", item no. " " and then
0 1
" to " ". After the auto-cali-
tP35G
" (+) and
0
" and adjust the ampli-
92
" and change
1
" and change data
92
", item no. " " and change
8. Keystone offset adjustment
After replacing the G-sensor circuit (IC3850) or
Memory IC (IC1371), 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.
102
. Select group 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.)

Note On White Uniformity Adjustment

If the correction of the Color shading adjustment is nec-
essary, please adjust the "Color shading" by using the
"PROJECTOR SERVICE TOOL CD-ROM" software
supplied separately.
The color shading correction adjustment for this model
should be performed with the whole-gray patterns speci-
fied as below.
4-input patterns:
10% gray, 20% gray, 30% gray, 50% gray
The software can be ordered as follows;
ProJector SerVIce tool Ver. 4.20
Service Parts No. 610 343 5596
-31-
3
", item no. " " and set data
".
button, the Keystone