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Service Adjustment
4. Auto Calibration adjustment [Video]
1. Enter the service mode.
2. Receive the 16-step grey scale composite video signal
Video [Video]
with
mode.
3. To start the auto-calibration for Component adjustment,
260
select group no. "
", item no. "
0
1
value from "
" to "
". After the auto-calibration complet-
ed, "OK" will appear on the screen.
below adjustment is performed when the above auto cali-
bration is failed.
Gain adjustment [Video]
1. Enter the service mode.
2. Receive the 16-step grey scale composite video signal with
Video [Video]
mode.
3. Connect an oscilloscope to test point "
chassis ground (-).
20
4. Select group no. "
", item no. "
a
tude "
" to be minimum by changing the Data value.
White Level
(a)
0
" and then change data
TP35G
" (+) and
0
" and adjust the ampli-
- 44 -
5. Auto Calibration adjustment [Component]
1. Enter the service mode.
2. Receive the Color Bar 480i-component signal with
[Component]
mode.
3. To start the auto-calibration for Component adjustment,
260
select group no. "
", item no. "
0
1
value from "
" to "
". After the auto-calibration complet-
ed, "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.
2. Receive the Color Bar 480i-component signal with
[Component]
mode.
3. Connect an oscilloscope to test point "
chassis ground (-).
0
4. Select group no. "
", item no. "
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.
Gain adjustment [Component]
1. Enter the service mode.
2. Receive the Color Bar 480i-component signal with
[Component]
mode.
3. Connect an oscilloscope to test point "
chassis ground (-).
0
4. Select group no. "
", item no. "
a
"
" to be minimum by changing the Data value.
White Level
(a)
Video
0
" and then change data
Video
TP35G
" (+) and
0
" and change data value
TP35R
" (+) and
TP35B
" (+) and
Video
TP35G
" (+) and
3
" and adjust the amplitude
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