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Electrical Adjustments
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)
6. Auto Calibration adjustment [Component]
1. Enter the service mode.
. Receive the 8 color 100% color bar 480i-component
Computer1 [Component]
signal 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 adjustments are performed when the above auto
calibration is failed.
Pedestal adjustment [Component]
1. Enter the service mode.
. Receive the 16-step grey scale 480i-component signal
Computer1 [Component]
with
3. Connect an oscilloscope to test point "
chassis ground (-).
0
4. Select group no. "
", item no. "
ue to adjust the pedestal level and black level to be the
same level.
5. Connect an oscilloscope to test point "
chassis ground (-).
1
6. Select item no. "
" and change data value to adjust the
pedestal level and black level to be the same level.
7. Connect an oscilloscope to test point "
chassis ground (-).
2
8. Select item no. "
" and change data value to adjust the
pedestal level and black level to be the same level.
4
" and adjust the ampli-
tP35B
" (+) and
5
" and adjust the ampli-
mode.
260
0
", item no. "
" and then
0
1
" to "
". After the auto-cali-
mode.
tP35G
" (+) and
0
" and change data val-
tP35R
" (+) and
tP35B
" (+) and
Gain adjustment [Component]
1. Enter the service mode.
. Receive the 16-step grey scale computer signal with
Computer1 [RGB]
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.
(a)
7. Auto Calibration adjustment [Video]
1. Enter the service mode.
. 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.
. Receive the 16-step grey scale composite video signal
Video [Video]
with
3. Connect an oscilloscope to test point "
chassis ground (-).
20
4. Select group no. "
a
tude "
" to be minimum by changing the Data value.
(a)
-31-
mode.
tP35G
3
" and adjust the ampli-
tP35R
4
" and adjust the ampli-
tP35B
5
" and adjust the ampli-
White Level
mode.
260
0
", item no. "
" and then
0
1
" to "
". After the auto-cali-
mode.
tP35G
0
", item no. "
" and adjust the ampli-
White Level
" (+) and
" (+) and
" (+) and
" (+) and
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