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E
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W
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S
Sub Brightness Adjustment
1.
Input a Monoscope pattern.
2.
Program the Remote Commander for operation in Service Mode.
[ See Page 21 ].
3.
Press 'VIDEO' 'VIDEO' 13 on the Remote Commander.
4.
Adjust the 'Sub-Brightness' data so that there is barely a
difference between the 0 IRE and 10 IRE signal levels.
Sub Contrast Adjustment
1.
Input a video signal that contains a small 100% white area on a
black background.
2.
Connect an digital voltmeter to Pin 10 of J7378 [C Board].
3.
Program the Remote Commander for operation in Service Mode.
[ See Page 21 ].
4.
Adjust the Sub-Contrast [ Using 'VIDEO' 'VIDEO' '11' ] to
obtain a voltage of 105 +/- 5V.
Sub Colour Adjustment
1.
Receive a PAL colour bar signal.
2.
Connect an oscilloscope to Pin 6 of CN7001 [A Board].
3.
Program the Remote Commander for operation in Service Mode.
[ See Page 21 ].
4.
Adjust the 'Sub Colour' [ Using 'VIDEO' 'VIDEO' '12' ] so
that the Cyan, Magenta and Blue colour bars are of equal levels
as indicated below.
B-Out Waveform
O
C
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, 0
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O
V
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) 5
0
V
S
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N
C
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5
) 5
0
K I
R
(
, 0
2
5
) 5
0
I
C I
(
, 0
2
5
) 5
0
N
V
M
(
, 0
2
5
) 5
0
H
P
R
O
T
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, 0
2
5
) 5
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T
U
N
E
R
(
, 0
2
5
) 5
0
S
O
U
N
D
P
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-
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S
C
A
N
R
A
T
E
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D
A
C
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A
C
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D
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Y
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P
P I
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1
4
7
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