Read Panasonic WV-CL270 / WV-CL274E Service Manual Simplified online
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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
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
135
°
±
1
°
(90
°
±
2
°
)
(135
°
±
1
°
)
90
°
±
2
°
PAL mode
NTSC mode
Fig. 4-7
(6.3). Burst Level Adjustment
Test Point:
CN5 (Video Output Connector)Video Board
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 CN5.
8
Adjust data with the ARROW keys so that the Burst level
becomes 300 mV ± 10 mV as shown in Fig. 4-8.
becomes 300 mV ± 10 mV as shown in Fig. 4-8.
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. 4-9.
phase becomes 135° ± 1° as shown in Fig. 4-9.
8
Change the Mode Switch of the Vectorscope from the
NTSC mode to the PAL mode.
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.4-9.
phase becomes 90° ± 2° as shown in Fig.4-9.
8
Press the ENTER key for next adjustment.
(6.4). Burst Level Adjustment
Test Point:
CN5 (Video Output Connector)Video Board
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 CN5.
8
Adjust data with the ARROW keys so that the Burst level
becomes 300 mV ± 10 mV as shown in Fig. 4-8.
becomes 300 mV ± 10 mV as shown in Fig. 4-8.
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. 4-9.
phase becomes 135° ± 1° as shown in Fig. 4-9.
8
Change the Mode Switch of the Vectorscope from the
NTSC mode to the PAL mode.
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.4-9.
phase becomes 90° ± 2° as shown in Fig.4-9.
8
Press the ENTER key.
8
Select the item "6.1. BURST LEVEL" with the ROLL
DOWN key and press the ENTER key.
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. 4-6 to Fig.4-9.
and phase are adjusted to proper position as shown in
Fig. 4-6 to Fig.4-9.
8
Press the ENTER key for next adjustment.
300 mV
±
10 mV
Fig. 4-8
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
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
135
°
±
1
°
(135
°
±
1
°
)
(90
°
±
2
°
)
90
°
±
2
°
NTSC mode
PAL mode
Fig. 4-9
(7.1). 3 200ºK R Gain Adjustment
Test Point:
CN5 (Video Output Connector)Video Board
8
Keep the Colour Temperature at 3 200ºK.
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.
Note: Chrominance phase and gain are adjusted to proper
position as shown in Fig. 4-10 and Table 4-2.
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