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-28-
1. Receive the 16-step gray scale component signal
(
480i
format) with
COMPUTER IN [COMPONENT]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TPG1
” (+) and
chassis ground (-).
4. Select item no. “
7
” and change data value to adjust
waveform “
a
” to be minimum amplitude.
5. Connect an oscilloscope to test point “
TPR1
” (+) and
chassis ground (-).
6. Select item no. “
8
” and change data value to adjust
waveform “
a
” to be minimum amplitude.
7. Connect an oscilloscope to test point “
TPB1
” (+) and
chassis ground (-).
8. Select item no. “
9
” and change data value to adjust
waveform “
a
” to be minimum amplitude.
(a)
White Level
1. Receive the 16-step gray scale component signal
(
480p
format) with
COMPUTER IN [COMPONENT]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TPG1
” (+) and
chassis ground (-).
4. Select item no. “
7
” and change data value to adjust
waveform “
a
” to be minimum amplitude.
5. Connect an oscilloscope to test point “
TPR1
” (+) and
chassis ground (-).
6. Select item no. “
8
” and change data value to adjust
waveform “
a
” to be minimum amplitude.
7. Connect an oscilloscope to test point “
TPB1
” (+) and
chassis ground (-).
8. Select item no. “
9
” and change data value to adjust
waveform “
a
” to be minimum amplitude.
(a)
White Level
1. Receive the 16-step gray scale composite video sig-
nal with
Video [Video]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TPG1
” (+) and
chassis ground (-).
4. Select item no. “
7
” and change data value to adjust
waveform “
a
” to be minimum amplitude.
5. Connect an oscilloscope to test point “
TPR1
” (+) and
chassis ground (-).
6. Select item no. “
8
” and change data value to adjust
waveform “
a
” to be minimum amplitude.
7. Connect an oscilloscope to test point “
TPB1
” (+) and
chassis ground (-).
8. Select item no. “
9
” and change data value to adjust
waveform “
a
” to be minimum amplitude.
(a)
White Level
c
Video Gain adjustment
Electrical Adjustments
b
480p Gain adjustment
n
480i Gain adjustment
1. Receive the 16-step gray scale component signal
(
480p
format) with
COMPUTER IN [COMPONENT]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TPG1
” (+) and
chassis ground (-).
4. Select item no. “
203
” and change data value to adjust
the pedestal level and black level to be the same
level.
5. Connect an oscilloscope to test point “
TPR1
” (+) and
chassis ground (-).
6. Select item no. “
204
” and change data value to adjust
the pedestal level and black level to be the same
level.
7. Connect an oscilloscope to test point “
TPB1
” (+) and
chassis ground (-).
8. Select item no. “
205
” and change data value to adjust
the pedestal level and black level to be the same
level.
Blac
k Lebel
P
edestal Lebel
v
480p Pedestal adjustment
Содержание LV-S4
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