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Electrical Adjustments
n 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. "
data 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.
m 50% White adjustment [PC]
1. Enter the service mode.
. Receive the 16-step grey scale computer signal with
computer1 [rGB]
mode.
3. Connect an oscilloscope to test point "
and chassis ground (-).
100
4. Select group no. "
" , item no. "
value to adjust amplitude "
white level
, White Balance adjustment [PC]
1. Enter the service mode,
. Receive the 16-step gray scale computer signal with
computer1 [rGB]
mode.
100
3. Select group no. "
(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.
92
" and change
1
" and change
92
" , item no. "
" and change
tP_G1
" (+)
6
" and change data
a
1.6V
" to be
.
(a)
white level
7
" item no. "
" (Red) or "
. 50% White adjustment [Video]
1. Receive the 16-step grey scale composite video signal
Video
with
mode.
. Enter the service mode.
3. Connect an oscilloscope to test point "
and chassis ground (-).
4. Select group no. "
value to adjust amplitude "
white level
⁄0 White Balance adjustment [Video]
1. Receive the 16-step grey scale composite video signal
Video
with
mode.
. Enter the service mode, select group no. "
7
no. "
" (Red) or "
respectively to make a proper white balance.
Confirm that the same white balance is obtained in vid-
eo and computer input.
⁄1 Color Shading Correction adjustment
If the correction of the Color shading adjustment is neces-
sary, 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 speci-
fied as below.
4-input patterns:
6% gray, 13% gray, 25% gray, 50% gray
8
"
Note On White Uniformity Adjustment
If you find the color shading on the screen, please ad-
just the white uniformity by using the proper comput-
er and "Color Shading Correction" software supplied
separately.
The software can be ordered as follows;
coLor SHAdING correctIoN Ver. 4.00
Service Parts No.
-30-
tP_G1
100
6
" , item no. "
" and change data
a
2.2 ±0.1V
" to be
(a)
white level
100
8
" (Blue), and change Data values
645 075 9611
" (+)
.
" item
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