Table of Contents
Advertisement
Electrical Adjustments
n
Gain adjustment [Component-1080i]
1. Receive the 16-step grey scale 1080i component
video signal with Computer1 [Component] mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point "
(+) and chassis ground (-).
7
4. Select item no. "
" and adjust the amplitude "a" to be
minimum
by changing the Data value.
5. Connect an oscilloscope to test point "
(+) and chassis ground (-).
8
6. Select item no. "
" and adjust the amplitude "a" to be
minimum
by changing the Data value.
7. Connect an oscilloscope to test point "
(+) and chassis ground (-).
9
8. Select item no. "
" and adjust the amplitude "a" to be
minimum
by changing the Data value.
White Level
(a)
m
Video Center adjustment
1. Receive the 16-step grey scale computer signal with
Computer1 [RGB] mode.
2. Enter the service mode
3. Connect a digital voltmeter to test point "
and chassis ground (-).
1
4. Select item no. "
" and change data value to adjust
7.0
the voltage to be
±0.05V.
5. Connect a digital voltmeter to test point "
and chassis ground (-).
2
6. Select item no. "
" and change data value to adjust
7.0
the voltage to be
±0.05V.
7. Connect a digital voltmeter to test point "
and chassis ground (-).
3
8. Select item no. "
" and change data value to adjust
7.0
the voltage to be
±0.05V.
9. Connect a digital voltmeter to test point "
and chassis ground (-).
21
10. Select item no. "
" and change data value to adjust
8.0
the voltage to be
11. Connect a digital voltmeter to test point "
and chassis ground (-).
22
12. Select item no. "
" and change data value to adjust
8.0
the voltage to be
13. Connect a digital voltmeter to test point "
and chassis ground (-).
23
14. Select item no. "
" and change data value to adjust
8.0
the voltage to be
TPVIDEOG
TPVIDEOR
TPVIDEOB
TPGV1
TPRV1
TPBV1
TPGV2
±0.05V.
TPRV2
±0.05V.
TPBV2
±0.05V.
,
Black Reference adjustment
1. Receive the 16-step grey scale computer signal with
Computer1 [RGB] mode.
2. Enter the service mode.
"
3. Connect an oscilloscope to test point "
(+) and chassis ground (-).
4. Select item no. "
amplitude "a" to be
"
5. Connect an oscilloscope to test point "
(+) and chassis ground (-).
6. Select item no. "
amplitude "a" to be
"
7. Connect an oscilloscope to test point "
(+) and chassis ground (-).
8. Select item no. "
amplitude "a" to be
.
Common Center adjustment
1. Receive the 1 line black/white pattern computer sig-
nal with Computer1 [RGB] mode.
2. Enter the service mode.
" (+)
3. Project only green light component to the screen.
4. Select item no. "
the minimum flicker on the screen.
5. Project only red light component to the screen.
" (+)
6. Select item no. "
obtain the minimum flicker on the screen.
7. Project only blue light component to the screen.
8. Select item no. "
" (+)
the minimum flicker on the screen.
" (+)
" (+)
" (+)
-25-
TPVIDEOG
10
" and change data value to adjust
10.0
±0.1V.
TPVIDEOR
11
" and change data value to adjust
10.0
±0.1V.
TPVIDEOB
12
" and change data value to adjust
10.0
±0.1V.
black level
(a)
black level
13
" and change data value to obtain
14
"" and change data value to
15
and change data value to obtain
"
"
"
Advertisement
Table of Contents
