Read Panasonic WV-CL920A / WV-CL924A Service Manual online
2-7
(8.1). White Balance 6 500°K ATW Limit R
Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
8
Change the Color Temperature from the 3 200° K to
6 500° K by mounting Color Temperature Conversion
Filters on the Lens.
Filters on the Lens.
8
Aim the Camera at the White Chart or White Paper.
8
Set the Gain Control of the Vectorscope to maximum.
8
Adjust data with the ARROW keys so that the vector shifts
10 % (Burst=100 %) to the Cyan side of the Vectorscope
as shown in Fig.4-7.
10 % (Burst=100 %) to the Cyan side of the Vectorscope
as shown in Fig.4-7.
8
Press the ENTER key for next adjustment.
(8.2). White Balance 6 500°K ATW Limit B
Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
8
Keep the Color Temperature at 6 500° K.
8
Aim the Camera at the White Chart or White Paper.
8
Set the Gain Control of the Vectorscope to maximum.
8
Adjust data with the ARROW keys so that the vector shifts
10 % (Burst=100 %) to the Cyan side of the Vectorscope
as shown in Fig.4-7.
10 % (Burst=100 %) to the Cyan side of the Vectorscope
as shown in Fig.4-7.
8
Repeat adjustment steps (8.1) and (8.2) until vector shifts
10 % (Burst=100 %) to the Cyan side of the Vectorscope.
10 % (Burst=100 %) to the Cyan side of the Vectorscope.
Fig. 4-7
8
Press the ENTER key for next adjustment.
Shifts 10 % to
Cyan side.
Cyan side.
M
G
Y
L
B
G
C
Y
dG
10
°
0
°
10
°
dø
100%
75%
R
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
Red
±
2˚
220 %
±
5 %
Phase
Gain
Yellow
±
5˚
100 %
±
5 %
108˚
155˚
(9.1). 3 200°K R Gain Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
8
Return the Color Temperature from 6 500° K to 3 200° K
by removing Color Temperature Conversion Filters from
the Lens.
the Lens.
8
Aim the Camera at the Color 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.
Note: Chrominance phase and gain are adjusted to proper
position as shown in Fig. 4-8 and Table 4-2.
(9.2). 3 200°K B Gain Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
8
Keep the Color Temperature at 3 200° K.
8
Adjust data with the ARROW keys so that the Yellow gain
becomes 100 % ± 5 %.
becomes 100 % ± 5 %.
8
Press the ENTER key for next adjustment.
Note: Chrominance phase and gain are adjusted to proper
position as shown in Fig. 4-8 and Table 4-2.
(9.3). 3 200°K Phase Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
8
Keep the Color Temperature at 3 200° K.
8
Adjust data with the ARROW keys so that the Red vector
phase becomes 108° ± 2°.
phase becomes 108° ± 2°.
8
Repeat adjustment steps (9.1) to (9.3) until both
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 4-8 and Table 4-2.
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 4-8 and Table 4-2.
Table 4-2
8
Press the ENTER key for next adjustment.
Fig. 4-8
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