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2-7
(7.3). 3 200°K Phase Adjustment
Test Point:
Video Output Connector
8
Keep the Colour Temperature at 3 200°K.
8
Aim the Camera at the Colour Chip Chart.
8
Adjust data with the ARROW keys so that the Red vector
phase becomes 108° ± 2°.
phase becomes 108° ± 2°.
8
Repeat adjustment steps (7.1). to (7.3). until both chromi-
nance phase and gain are adjusted to proper position as
shown in Fig. 5-9 and Table 5-2.
nance phase and gain are adjusted to proper position as
shown in Fig. 5-9 and Table 5-2.
Table 5-2
8
Press the ENTER key for next adjustment.
Red
±
2˚
220 %
±
5 %
Phase
Gain
Yellow
±
5˚
100 %
±
5 %
108˚
160˚
cy
g
M
G
Y
L
yl
B
b
G
C
Y
dG
10
°
0
°
10
°
dø
100%
75%
R
V
U
mg
r
20%
20%
dG
Fig. 5-9
(7.5). Colour Center Point Adjustment
Test Point:
Video Output Connector
8
Keep the Colour Temperature at 3 200°K.
8
Aim the Camera at the Colour Chip Chart.
8
Adjust data with the ARROW keys so that data becomes
"040".
"040".
8
While observing the Vectorscope, decrease data so that
the Red gain becomes unstable as shown in Fig. 5-10(b).
the Red gain becomes unstable as shown in Fig. 5-10(b).
8
After that, decrease data with the DOWN key again until
the Red gain becomes stable at about 150% as shown in
Fig. 5-10(c).
the Red gain becomes stable at about 150% as shown in
Fig. 5-10(c).
8
Raise data with the UP key in turn until the Red gain
becomes unstable, then raise data by 1 again so that Red
gain becomes stable at about 200% as shown in Fig. 5-
10(a).
becomes unstable, then raise data by 1 again so that Red
gain becomes stable at about 200% as shown in Fig. 5-
10(a).
8
Press the ENTER key for next adjustment.
M
G
Y
L
B
G
C
Y
dG
10
°
0
°
10
°
dø
100%
75%
V
U
20%
20%
dG
M
G
Y
L
B
G
C
Y
dG
10
°
0
°
10
°
dø
100%
75%
V
U
20%
20%
dG
M
G
Y
L
B
G
C
Y
dG
10
°
0
°
10
°
dø
100%
75%
V
U
20%
20%
dG
(a)
(b)
(c)
Red gain
about 200%(stable)
(Standard Value)
Red gain
about 150%~
200%(unstable)
Red gain
about 150%(stable)
UP key
DOWN key
DOWN key
UP key
Fig. 5-10
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