Table of Contents
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Electrical Adjustments
8. 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.
9. 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 (-).
4. In Standard mode, select group no. "100", item no.
"235" and change data value to "0".
100
5. Select group no. "
", item no. "
value to adjust amplitude "
6. select group no. "100", item no. "235" and change
data value to "1".
white level
10. 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. "
" item no. "
and change Data values respectively to make a prop-
er white balance.
Confirm that the same white balance is obtained in video
and computer input.
92
" and change
1
" and change data
92
", item no. "
" and change
tP35G
6
" and change data
a
1.6V
" to be
.
(a)
white level
7
8
" (Red) or "
" (Blue),
11. 50% White adjustment [Video]
1. Enter the service mode.
. Receive the 16-step grey scale composite video sig-
Video[Video]
nal with
3. Connect an oscilloscope to test point "
and chassis ground (-).
4. In Standard mode, select group no. "100", item no.
"235" and change data value to "0".
5. Select group no. "
value to adjust amplitude "
6. select group no. "100", item no. "235" and change
data value to "1".
white level
12. White Balance adjustment [Video]
" (+)
1. Enter the service mode.
. Receive the 16-step grey scale composite video sig-
Video[Video]
nal with
3. Select group no. "
and change Data values respectively to make a prop-
er white balance.
Confirm that the same white balance is obtained in video
and computer input.
13. 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, 12.5% gray, 25% gray, 50% gray
The Color Shading Correction can be ordered with following
service code.
COLOR SHADING CORRECTION Ver. 4.00
Service Parts No.
-3-
mode.
tP35G
100
6
", item no. "
" and change data
a
0.85V
" to be
.
(a)
white level
mode.
100
7
" item no. "
" (Red) or "
645 075 9611
" (+)
8
" (Blue),
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