Read Panasonic WV-CL920A / WV-CL924A Service Manual online
2-6
(5). Pedestal Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Connector.
8
Adjust data with the ARROW keys so that the Pedestal
level becomes 50 mV ± 5 mV as shown in Fig. 4-4.
level becomes 50 mV ± 5 mV as shown in Fig. 4-4.
Fig. 4-4
8
Press the ENTER key for next adjustment.
(6). Burst Level Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
8
Keep the Color Temperature at 3 200° K.
8
Aim the Camera at the Logarithmic Gray Scale Chart.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Connector.
8
Adjust data with the ARROW keys so that the Burst level
becomes 286 mV ± 10mV as shown in Fig. 4-5.
becomes 286 mV ± 10mV as shown in Fig. 4-5.
Fig. 4-5
8
Press the ENTER key for next adjustment.
50 mV
±
5 mV
286 mV
±
10 mV
(7.1). White Balance 3 200°K Manual
Offset R Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
8
Keep the Color Temperature at 3 200° 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 posi-
tions at the center of the Vectorscope as shown in Fig.4-6.
tions at the center of the Vectorscope as shown in Fig.4-6.
8
Press the ENTER key for next adjustment.
(7.2). White Balance 3 200°K Manual
Offset B Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
8
Keep the Color Temperature at 3 200° 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 posi-
tions at the center of the Vectorscope as shown in Fig.4-6.
tions at the center of the Vectorscope as shown in Fig.4-6.
8
Repeat adjustment steps (7.1) and (7.2) until vector posi-
tions at the center of the Vectorscope.
tions at the center of the Vectorscope.
Fig. 4-6
Positions at center.
M
G
Y
L
B
G
C
Y
dG
10
°
0
°
10
°
dø
100%
75%
R
V
U
20%
20%
dG
8
Press the ENTER key for next adjustment.
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