Panasonic WV-CF224 Service Manual page 10

(6). Burst Level Adjustment
Test Point: Video Output Connector
8 Keep the Color Temperature at 3 200°K.
8 Aim the Camera at the Logarithmic Gray Scale Chart.
8 Connect the Oscilloscope to Video Output Connector.
8 Adjust data with the ARROW keys so that the Burst level
becomes 286 mV ± 10 mV as shown in Fig. 4-6.
Fig. 4-6
8 Press the ENTER key for next adjustment.
(7.1). 3200°K R Gain Adjustment
Test Point: Video Output Connector
8 Keep the Color Temperature at 3 200°K.
8 Aim the Camera at the Color Chip Chart.
8 Adjust data with the ARROW keys so that the Red gain
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. 4-7 and Table 4-2.
(7.2). 3200°K B Gain Adjustment
Test Point: Video Output Connector
8 Keep the Color Temperature at 3 200°K.
8 Aim the Camera at the Color Chip Chart.
8 Adjust data with the ARROW keys so that the Yellow gain
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. 4-7 and Table 4-2.
(7.3). 3200°K Phase Adjustment
Test Point:
8 Keep the Color Temperature at 3 200°K.
8 Aim the Camera at the Color Chip Chart.
8 Adjust data with the ARROW keys so that the Red vector
8 Repeat adjustment steps (7.1). to (7.3). until both chromi-
286 mV ± 10 mV
8 Press the ENTER key for next adjustment.
2-6
Video Output Connector
phase becomes 104° ± 2°.
nance phase and gain are adjusted to proper position as
shown in Fig. 4-7 and Table 4-2.
dø
20%
Y
L
dG
10°
100%
0°
75%
10°
20%
dG
G
Fig. 4-7
Red
± 2˚
Phase 104˚
220 % ± 5 %
Gain
Table 4-2
M
G
V
U
B
C
Y
Yellow
± 5˚
160˚
100 % ± 5 %