Sanyo PLC-XU116, Руководство по обслуживанию

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Electrical Adjustments
1. Enter the service mode.
2. Receive the 16-step grey scale composite video sig-
nal with
Video
mode.
3. To start the auto-calibration for Component adjust-
ment, select group no. “
260
”, item no. “
0
” and then
change data value from “
0
” to “
1
”. After the auto-cali-
bration completed, "OK" will appear on the screen.
6. Auto calibration adjustment [Video]
Gain adjustment [Video]
1. Enter the service mode.
2. Receive the 16-step grey scale composite video signal
with
Video
mode.
3. Connect an oscilloscope to test point “
tP35G
” (+) and
chassis ground (-).
4. Select group no. “
20
”, item no. “
0
” and adjust the ampli-
tude “
a
” to be minimum by changing the Data value.
(a)
White Level
below adjustment is performed when the above auto
calibration is failed.
1. Enter the service mode.
2. Receive the 50%-Whole Gray computer signal with
computer1 [rGB] mode.
3. Select group no. “
100
”, item no. “
92
” and change
data value to “
2
” to reduce the panel frequency.
4. Project only green light component to the screen.
5. Select group no. “
101
”, item no. “
1
” and change data
value to obtain the minimum flicker on the screen.
6. Project only red light component to the screen.
7. Select item no. “
0
” and change data value to obtain
the minimum flicker on the screen.
8. Project only blue light component to the screen.
9. Select item no. “
2
and change data value to obtain
the minimum flicker on the screen.
10. Select group no. “
100
”, item no. “
92
” and change
data value to “
0
” to reset the panel frequency.
7. common center 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.
2. Select group no. “
102
”, item no. “
3
” and set data
value from “
0
” to “
5
”.
3. By pressing the
Select
button, the Keystone
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.)
8. Keystone offset 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;
Note On White Uniformity Adjustment
ProJector SerVIce tool Ver. 4.20
Service Parts No. 610 343 5596