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(10.1) 5 100°K R Gain Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Change the Colour Temperature from 3 200°K to 5 100°K
by mounting the Colour Temperature Conversion Filter on
the Lens.
by mounting the Colour Temperature Conversion Filter on
the Lens.
8
Aim the Camera at the Colour Chip Chart.
8
Adjust data with the ARROW keys so that the Red gain
becomes 220 % ± 5 %.
becomes 220 % ± 5 %.
8
Press the ENTER key for next adjustment.
(10.2) 5 100°K B Gain Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 5 100°K.
8
Adjust data with the ARROW keys so that the Yellow gain
becomes 110 % ± 5 %.
becomes 110 % ± 5 %.
8
Press the ENTER key for next adjustment.
(10.3) 5 100°K R Phase Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 5 100°K.
8
Adjust data with the ARROW keys so that the Red vector
phase becomes 108° ± 2°.
phase becomes 108° ± 2°.
8
Press the ENTER key for next adjustment.
(10.4) 5 100°K B Phase Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 5 100°K.
8
Adjust data with the ARROW keys so that the Yellow vec-
tor phase becomes 165° ± 5°.
tor phase becomes 165° ± 5°.
8
Repeat adjusment steps (10.1) to (10.4) until both
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 5-2-12 and Table 5-2-2.
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 5-2-12 and Table 5-2-2.
8
Press the ENTER key for next adjustment.
2-11
Table 5-2-2
(11) High Light Chroma Clip Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
Adjust:
RAM (895)
8
Return the Colour Temperature from 5 100°K to 3 200°K
by removing the Colour Temperature Conversion Filter
from the Lens.
by removing the Colour Temperature Conversion Filter
from the Lens.
8
Aim the Camera at the White Chart or White Paper.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Connector.
8
Adjust data with the ARROW keys so that the false
chrominance level becomes minimum as shown in Fig. 5-
2-13.
chrominance level becomes minimum as shown in Fig. 5-
2-13.
Note: The Data of 895 should be adjusted from FF, the first
minimum point of the false chrominance signal is
adjusting point.
adjusting point.
8
Press the ENTER key for next adjustment.
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
Red
±
2˚
220 %
±
5 %
Phase
Gain
Yellow
±
5˚
110 %
±
5 %
108˚
165˚
Fig. 5-2-12
Minimize
Chrominance
Level
Chrominance
Level
Fig. 5-2-13
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