Panasonic WV-CW370 Service Manual page 14

(6.4). Burst Level Adjustment
Test Point: Video Output Cable
8 Keep the Colour 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 Cable.
8 Adjust data with the ARROW keys so that the Burst level
becomes 300 mV ± 10 mV as shown in Fig. 5-7.
8 Set the Mode Switch of the Vectorscope to NTSC mode.
8 Adjust data with the ARROW Keys so that the Burst
phase becomes 135° ± 1° as shown in Fig. 5-8.
8 Change the Mode Switch of the Vectorscope from the
NTSC mode to the PAL mode.
8 Adjust data with the ARROW Keys so that the Burst
phase becomes 90° ± 2° as shown in Fig.5-8.
8 Press the ENTER key.
NTSC mode
cy
g R
M
G
V
dø
20%
75%
Y
L
100%
dG
10° b
0°
(90° ± 2°)
B
10°
yl
135° ± 1°
20%
dG
C
G Y mg
r
8 Select the item "6.1. BURST LEVEL" with the ROLL
DOWN key and press the ENTER key.
8 Repeat adjustment steps (6.1) to (6.4) until Burst level
and phase are adjusted to proper position as shown in
Fig. 5-5 to Fig.5-8.
8 Press the ENTER key for next adjustment.
300 mV ± 10 mV
Fig. 5-7
PAL mode
cy
g R
M
V
dø
20%
75%
Y
L
100%
dG
10°
U
0°
90° ± 2°
10°
yl
20%
(135° ± 1°)
dG
C
G Y mg
r
Fig. 5-8
(7.1). White Balance 3 200°K Manual
Offset R Adjustment
Test Point:
8 Keep the Colour 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.5-9.
8 Press the ENTER key for next adjustment.
(7.2). White Balance 3 200°K Manual
Offset B Adjustment
Test Point:
8 Keep the Colour 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.5-9.
8 Repeat adjustment steps (7.1) and (7.2) until vector posi-
tions at the center of the Vectorscope.
G
b
U
B
8 Press the ENTER key for next adjustment.
2-8
Video Output Cable
Video Output Cable
Positions at center.
cy
g
R
M
V
dø
20% 75%
Y
L
100%
dG
10°
0°
10°
yl
20%
dG
C
G mg
Y
r
Fig. 5-9
G
b
U
B