Panasonic WV-CW970 / WV-CW974 Service Manual ▷ View online
2-11
Fig. 4-1-6
8 Press the ENTER key for next adjustment.
(7.2) Video Output Gain (H) Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 3 200°K.
8 Adjust data with the ARROW keys so that the Video sig-
8 Adjust data with the ARROW keys so that the Video sig-
nal level becomes 700 mV ± 50 mV as shown in Fig. 4-1-
6.
6.
8 Press the ENTER key for next adjustment.
700 mV ± 50 mV
(8.1) Burst Level R Adjustment
Test Point:
Video Output Connector
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
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 300 mV ± 10 mV as shown in Fig. 4-1-7.
8 Press the ENTER key for next adjustment.
(8.2) Burst Level B Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 3 200°K.
8 Adjust data with the ARROW keys so that the Burst level
becomes 300 mV ± 10 mV as shown in Fig. 4-1-8.
8 Press the ENTER key for next adjustment.
(6) ALC DC Adjustment
Observe:
Video Monitor
8 Confirm the Colour Temperature at 3 200°K.
8 Aim the Camera at the Logarithmic Gray Scale Chart.
8 Adjust data with the ARROW keys so that the second
8 Aim the Camera at the Logarithmic Gray Scale Chart.
8 Adjust data with the ARROW keys so that the second
data from left becomes between 00 and 05 on the Video
Monitor as shown in Fig. 4-1-5.
Monitor as shown in Fig. 4-1-5.
8 Press the ENTER key for next adjustment.
(7.1) Video Output Gain (L) Adjustment
Test Point:
Video Output Connector
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
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 Video sig-
nal level becomes 700 mV ± 50 mV as shown in Fig. 4-1-
6.
6.
Fig. 4-1-7
300 mV
±
10 mV
300 mV
±
10 mV
Fig. 4-1-8
Fig. 4-1-5
00 00 00 00 1C 10 88 30
(Data are just example.)
Second data becomes between 00 and 05.
2-12
(8.4) Burst Phase B Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 3 200°K.
8 Set the Mode Switch of the Vectorscope to NTSC mode.
8 Adjust data with the ARROW Keys so that the Burst
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. 4-1-10.
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. 4-1-10.
8 Press the ENTER key.
8 Select the item "8.1. BURST LEVEL R" with the ROLL
8 Select the item "8.1. BURST LEVEL R" with the ROLL
DOWN key and press the ENTER key.
8 Repeat adjustment steps (8.1) to (8.4) until Burst level
and phase are adjusted to proper position as shown in
Fig. 4-1-7 to Fig. 4-1-10.
Fig. 4-1-7 to Fig. 4-1-10.
8 Press the ENTER key for next adjustment.
cy
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B
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dG
10
°
0
°
10
°
dø
100%
75%
R
V
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mg
r
20%
20%
dG
cy
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Y
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B
b
G
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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. 4-1-10
(9.1) White Balance 3 200°K Manual
Offset R Adjustment
Test Point:
Video Output Connector
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-
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. 4-1-
11.
11.
8 Press the ENTER key for next adjustment.
(9.2) White Balance 3 200°K Manual
Offset B Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 3 200°K.
8 Adjust data with the ARROW keys so that the vector posi-
8 Adjust data with the ARROW keys so that the vector posi-
tions at the center of the Vectorscope as shown in Fig. 4-1-
11.
11.
8 Repeat adjustment steps (9.1) and (9.2) until vector posi-
tions at the center of the Vectorscope.
8 Press the ENTER key for next adjustment.
Fig. 4-1-11
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dG
10
°
0
°
10
°
d
ø
100%
75%
R
V
U
mg
r
20%
20%
dG
Positions at center.
(8.3) Burst Phase R Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 3 200°K.
8 Aim the Camera at the Logarithmic Gray Scale Chart.
8 Set the Mode Switch of the Vectorscope to NTSC mode.
8 Adjust data with the ARROW Keys so that the Burst
8 Aim the Camera at the Logarithmic Gray Scale Chart.
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. 4-1-9.
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.4-1-9.
8 Press the ENTER key for next adjustment.
cy
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M
G
Y
L
yl
B
b
G
C
Y
dG
10
°
0
°
10
°
d
ø
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
°
d
ø
100%
75%
R
V
U
mg
r
20%
20%
dG
135
° ±
1
°
(90
° ±
2
°
)
(135
° ±
1
°
)
90
° ±
2
°
PAL mode
NTSC mode
Fig. 4-1-9
2-13
(11.1) 3 200°K R Gain Adjustment
Test Point:
Video Output Connector
8 Return the Colour Temperature from 6 500°K to 3 200°K
by removing the Colour Temperature Conversion Filters
from the Lens.
from the Lens.
8 Aim the Camera at the Colour Chip Chart.
8 Set the Gain Control of the Vectorscope to the normal
8 Set the Gain Control of the Vectorscope to the normal
position.
8 Adjust data with the ARROW keys so that the Red gain
becomes 264 % ± 5 % (Burst Level = 100 %).
8 Press the ENTER key for next adjustment.
Note: Chrominance phase and gain are adjusted to proper
Note: Chrominance phase and gain are adjusted to proper
position as shown in Fig. 4-1-13 and Table 4-1-1.
(11.2) 3 200°K B Gain Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 3 200°K.
8 Adjust data with the ARROW keys so that the Yellow gain
8 Adjust data with the ARROW keys so that the Yellow gain
becomes 120 % ± 5 % (Burst Level = 100 %).
8 Press the ENTER key for next adjustment.
Note: Chrominance phase and gain are adjusted to proper
Note: Chrominance phase and gain are adjusted to proper
position as shown in Fig. 4-1-13 and Table 4-1-1.
(11.3) 3 200°K R Phase Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 3 200°K.
8 Adjust data with the ARROW keys so that the Red vector
8 Adjust data with the ARROW keys so that the Red vector
phase becomes 108° ± 5°.
8 Press the ENTER key for next adjustment.
(11.4) 3 200°K B Phase Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 3 200°K.
8 Adjust data with the ARROW keys so that the Yellow vec-
8 Adjust data with the ARROW keys so that the Yellow vec-
tor phase becomes 160° ± 8°.
8 Repeat adjustment steps (11.1) to (11.4) until both
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 4-1-13 and Table 4-1-1.
tion as shown in Fig. 4-1-13 and Table 4-1-1.
8 Press the ENTER Key for next adjustment.
(10.1) White Balance 6 500°K ATW Limit R
Adjustment
Test Point:
Video Output Connector
8 Change the Colour Temperature from 3 200°K to 6 500°K
by mounting the Colour Temperature Conversion Filters
on the Lens.
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 posi-
8 Set the Gain Control of the Vectorscope to maximum.
8 Adjust data with the ARROW keys so that the vector posi-
tions at shifts by 12 % (Burst Level = 100 %) to the Cyan
side of the Vectorscope as shown in Fig. 4-1-12.
side of the Vectorscope as shown in Fig. 4-1-12.
8 Press the ENTER key for next adjustment.
(10.2) White Balance 6 500°K ATW Limit B
Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 6 500°K.
8 Adjust data with the ARROW keys so that the vector posi-
8 Adjust data with the ARROW keys so that the vector posi-
tions at shifts by 12 % (Burst Level = 100 %) to the Cyan
side of the Vectorscope as shown in Fig. 4-1-12.
side of the Vectorscope as shown in Fig. 4-1-12.
8 Repeat adjustment steps (10.1) and (10.2) until vector
positions at shifts by 12 % (Burst Level = 100 %) to the
Cyan side of the Vectorscope.
Cyan side of the Vectorscope.
8 Press the ENTER key for next adjustment.
Fig. 4-1-12
cy
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B
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C
Y
dG
10°
0°
10°
dø
100%
75%
R
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mg
r
20%
20%
dG
Shifts
apporox. 12 %
apporox. 12 %
cy
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B
b
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C
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dG
10°
0°
10°
dø
100%
75%
R
V
U
mg
r
20%
20%
dG
Red
± 5˚
264 % ± 5 %
Phase
Gain
Yellow
± 8˚
120 % ± 5 %
108˚
160˚
Table 4-1-1
Fig. 4-1-13
2-14
(12.1) 5 100°K R Gain Adjustment
Test Point:
Video Output Connector
8 Change the Colour Temperature from 3 200°K to 5 100°K
by mounting the Colour Temperature Conversion Filter on
the Lens.
the Lens.
8 Aim the Camera at the Colour Chip Chart.
8 Adjust data with the ARROW keys so that the Red gain
8 Adjust data with the ARROW keys so that the Red gain
becomes 264 % ± 5 % (Burst Level = 100 %).
8 Press the ENTER key for next adjustment.
(12.2) 5 100°K B Gain Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 5 100°K.
8 Adjust data with the ARROW keys so that the Yellow gain
8 Adjust data with the ARROW keys so that the Yellow gain
becomes 120 % ± 5 % (Burst Level = 100 %).
8 Press the ENTER key for next adjustment.
(12.3) 5 100°K R Phase Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 5 100°K.
8 Adjust data with the ARROW keys so that the Red vector
8 Adjust data with the ARROW keys so that the Red vector
phase becomes 108° ± 5°.
8 Press the ENTER key for next adjustment.
(12.4) 5 100°K B Phase Adjustment
Test Point:
Video Output Connector
8 Keep the Colour Temperature at 5 100°K.
8 Adjust data with the ARROW keys so that the Yellow vec-
8 Adjust data with the ARROW keys so that the Yellow vec-
tor phase becomes 160° ± 8°.
8 Repeat adjusment steps (12.1) to (12.4) until both
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 4-1-14 and Table 4-1-2.
tion as shown in Fig. 4-1-14 and Table 4-1-2.
8 Press the ENTER key for next adjustment.
Minimize
Chrominance
Level
Fig. 4-1-15
8 After completing the adjustment, press the QUIT (F3)
key, then the computer will ask you if you want to save
the current adjustment status.
the current adjustment status.
8 If you want to save, press the Y key, and then press the
ENTER key. Type xxxxxxxx.EV2 B40 19FF. Give an
appropriate file name for xxxxxxxx within 8 letters, but do
not use CW97E. Then press the ENTER key to finish this
adjustment procedure.
appropriate file name for xxxxxxxx within 8 letters, but do
not use CW97E. Then press the ENTER key to finish this
adjustment procedure.
8 If you don't want to save, press the N key, and then press
the ENTER key to finish this adjustment procedure.
(13) Highlight Chroma Clip Adjustment
Test Point:
Video Output Connector
8 Return the Colour Temperature from 5 100°K to 3 200°K
by removing the Colour Temperature Conversion Filter
from the Lens.
from the Lens.
8 Aim the Camera at the White Chart or White Paper.
8 Connect the terminated Oscilloscope with 75 Ω to the
8 Connect the terminated Oscilloscope with 75 Ω to the
Video Output Connector.
8 Set data to FF with the ARROW keys.
8 Adjust data with the RIGHT key so that the False
8 Adjust data with the RIGHT key so that the False
Chrominance Level becoms minimum for the first time as
shown in Fig. 4-1-15.
shown in Fig. 4-1-15.
cy
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dG
10°
0°
10°
dø
100%
75%
R
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mg
r
20%
20%
dG
Red
± 5˚
264 % ± 5 %
Phase
Gain
Yellow
± 8˚
120 % ± 5 %
108˚
160˚
Fig. 4-1-14
Table 4-1-2
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