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Electrical Adjustments
Gain adjustment [component]
1. Enter the service mode.
2. Receive the 16-step grey scale 480i-component signal
computer2 [component]
with
3. Connect an oscilloscope to test point "
chassis ground (-).
0
4. Select group no. "
", item no. "
a
tude "
" to be minimum by changing the Data value.
White Level
(a)
b Auto Calibration adjustment [Video]
1. Enter the service mode.
2. Receive the 16-step grey scale composite video sig-
Video [Video]
nal with
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.
2. Receive the 16-step grey scale composite video signal
Video [Video]
with
mode.
3. Connect an oscilloscope to test point "
chassis ground (-).
0
4. Select group no. "
", item no. "
a
tude "
" to be minimum by changing the Data value.
5. Connect an oscilloscope to test point "
chassis ground (-).
0
6. Select group no. "
", item no. "
a
tude "
" to be minimum by changing the Data value.
7. Connect an oscilloscope to test point "
chassis ground (-).
0
8. Select group no. "
", item no. "
a
tude "
" to be minimum by changing the Data value.
White Level
(a)
mode.
tP35G
" (+) and
3
" and adjust the ampli-
mode.
260
0
", item no. "
" and then
0
1
" to "
". After the auto-cal-
tP35G
" (+) and
3
" and adjust the ampli-
tP35r
" (+) and
4
" and adjust the ampli-
tP35B
" (+) and
5
" and adjust the ampli-
n Common Center adjustment
1. Enter the service mode.
2. Receive the 50%-Whole Gray computer signal with
computer1 [rGB] mode.
100
3. Select group no. "
2
data value to "
" to reduce the panel frequency.
4. Project only green light component to the screen.
101
5. Select group 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.
10. Select group no. "
0
data value to "
" to reset the panel frequency.
m 50% White adjustment [PC]
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with
computer1 [rGB]
3. Connect an oscilloscope to test point "
and chassis ground (-).
100
4. Select group no. "
value to adjust amplitude "
white level
, White Balance adjustment [PC]
1. Enter the service mode,
2. Receive the 16-step gray scale computer signal with
computer1 [rGB]
100
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.
-29-
92
", item no. "
" and change
1
", item no. "
" and change data
100
92
", item no. "
" and change
mode.
tP35G
6
", item no. "
" and change data
a
1.6 ±0.1V
" to be
(a)
white level
mode.
7
8
" item no. "
" (Red) or "
" (+)
.
" (Blue),
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