Panasonic WV-CP480 / WV-CP484E Service Manual ▷ View online
(6.2) Burst Level Adjustment
Test Point:
Video Output Connector (CN7)
I/F 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 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. 5-2-5.
becomes 300 mV ± 10 mV as shown in Fig. 5-2-5.
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. 5-2-6.
phase becomes 135° ± 1° as shown in Fig. 5-2-6.
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. 5-2-6.
phase becomes 90° ± 2° as shown in Fig. 5-2-6.
8
Press the ENTER key for next adjustment.
(6.3) Burst Level Adjustment
Test Point:
Video Output Connector (CN7)
I/F 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 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. 5-2-7.
becomes 300 mV ± 10 mV as shown in Fig. 5-2-7.
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. 5-2-8.
phase becomes 135° ± 1° as shown in Fig. 5-2-8.
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. 5-2-8.
phase becomes 90° ± 2° as shown in Fig. 5-2-8.
8
Press the ENTER key for next adjustment.
2-8
(4) ALC DC Adjustment
Test Point:
RAM (90E)
8
Keep 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 measured
Level becomes between 00 and 05.
Level becomes between 00 and 05.
8
Press the ENTER key for next adjustment.
(5.1) Video Output Gain (Low) Adjustment
Test Point:
Video Output Connector (CN7)
I/F 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 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. 5-2-
4.
nal level becomes 700 mV ± 50 mV as shown in Fig. 5-2-
4.
8
Press the ENTER key for next adjustment.
(5.2) Video Output Gain (High) Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Adjust data with the ARROW keys so that the Video sig-
nal level becomes 700 mV ± 50 mV as shown in Fig. 5-2-
4.
nal level becomes 700 mV ± 50 mV as shown in Fig. 5-2-
4.
8
Press the ENTER key for next adjustment.
(6.1) Burst Level Adjustment
Test Point:
Video Output Connector (CN7)
I/F 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 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. 5-2-5.
becomes 300 mV ± 10 mV as shown in Fig. 5-2-5.
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. 5-2-6.
phase becomes 135° ± 1° as shown in Fig. 5-2-6.
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. 5-2-6.
phase becomes 90° ± 2° as shown in Fig. 5-2-6.
8
Press the ENTER key for next adjustment.
700 mV
±
50 mV
300 mV
±
10 mV
Fig. 5-2-5
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dG
135
°
±
1
°
(90
°
±
2
°
)
(135
°
±
1
°
)
90
°
±
2
°
PAL mode
NTSC mode
Fig. 5-2-6
Fig. 5-2-4
(7.1) White Balance 3 200°K Manual
Offset R Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
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.5-2-
9.
tions at the center of the Vectorscope as shown in Fig.5-2-
9.
8
Press the ENTER key for next adjustment.
(7.2) White Balance 3 200°K Manual
Offset B Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
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. 5-2-
9.
tions at the center of the Vectorscope as shown in Fig. 5-2-
9.
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.
8
Press the ENTER key for next adjustment.
2-9
(6.4) Burst Level Adjustment
Test Point:
Video Output Connector (CN7)
I/F 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 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. 5-2-7.
becomes 300 mV ± 10 mV as shown in Fig. 5-2-7.
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. 5-2-8.
phase becomes 135° ± 1° as shown in Fig. 5-2-8.
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.5-2-8.
phase becomes 90° ± 2° as shown in Fig.5-2-8.
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. 5-2-5 to Fig.5-2-8.
and phase are adjusted to proper position as shown in
Fig. 5-2-5 to Fig.5-2-8.
8
Press the ENTER key for next adjustment.
Fig. 5-2-9
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20%
dG
Positions at center.
300 mV
±
10 mV
Fig. 5-2-7
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10
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75%
R
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20%
20%
dG
cy
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B
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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. 5-2-8
(9.2) 3 200°K B Gain Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 3 200°K.
8
Adjust data with the ARROW keys so that the Yellow gain
becomes 120 % ± 5 %.
becomes 120 % ± 5 %.
8
Press the ENTER key for next adjustment.
Note: Chrominance phase and gain are adjusted to proper
position as shown in Fig. 5-2-11 and Table 5-2-1.
(9.4) 3 200°K R Phase Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 3 200°K.
8
Adjust data with the ARROW keys so that the Red vector
phase becomes 108° ± 2°.
phase becomes 108° ± 2°.
8
Press the ENTER key for next adjustment.
(9.5) 3 200°K B Phase Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 3 200°K.
8
Adjust data with the ARROW keys so that the Yellow vec-
tor phase becomes 165° ± 5°.
tor phase becomes 165° ± 5°.
8
Repeat adjustment steps (9.1), (9.2), (9.4) and (9.5) until
both Chrominance phase and gain are adjusted to proper
position as shown in Fig. 5-2-11 and Table 5-2-1.
both Chrominance phase and gain are adjusted to proper
position as shown in Fig. 5-2-11 and Table 5-2-1.
8
Press the ENTER key for next adjustment.
2-10
(8.1) White Balance 6 500°K ATW Limit R
Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Change the Colour Temperature from 3 200°K to 6 500°K
by mounting the Colour Temperature Conversion Filters
on the Lens.
by mounting the Colour Temperature Conversion Filters
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-
tions at shifts by 10 % (Burst=100 %) to the Cyan side of
the Vectorscope as shown in Fig. 5-2-10.
tions at shifts by 10 % (Burst=100 %) to the Cyan side of
the Vectorscope as shown in Fig. 5-2-10.
8
Press the ENTER key for next adjustment.
(8.2) White Balance 6 500°K ATW Limit B
Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 6 500°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 shifts by 10 % (Burst=100 %) to the Cyan side of
the Vectorscope as shown in Fig. 5-2-10.
tions at shifts by 10 % (Burst=100 %) to the Cyan side of
the Vectorscope as shown in Fig. 5-2-10.
8
Repeat adjustment steps (8.1) and (8.2) until vector posi-
tions at shifts by 10 % (Burst=100 %) to the Cyan side of
the Vectorscope.
tions at shifts by 10 % (Burst=100 %) to the Cyan side of
the Vectorscope.
8
Press the ENTER key for next adjustment.
(9.1) 3 200°K R Gain Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Return the Colour Temperature from 6 500°K to 3 200°K
by removing the Colour Temperature Conversion Filters
from the Lens.
by removing the Colour Temperature Conversion Filters
from the Lens.
8
Aim the Camera at the Colour Chip Chart.
8
Set the Gain Control of the Vectorscope to the normal
position.
position.
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. 5-2-11 and Table 5-2-1.
Fig. 5-2-10
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Shifts
apporox. 10 %
apporox. 10 %
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dG
Red
±
2˚
220 %
±
5 %
Phase
Gain
Yellow
±
8˚
100 %
±
5 %
108˚
160˚
Table 5-2-1
Fig. 5-2-11
(10.1) 5 100°K R Gain Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Change the Colour Temperature from 3 200°K to 5 100°K
by mounting the Colour Temperature Conversion Filter on
the Lens.
by mounting the Colour Temperature Conversion Filter on
the Lens.
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.
(10.2) 5 100°K B Gain Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 5 100°K.
8
Adjust data with the ARROW keys so that the Yellow gain
becomes 110 % ± 5 %.
becomes 110 % ± 5 %.
8
Press the ENTER key for next adjustment.
(10.3) 5 100°K R Phase Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 5 100°K.
8
Adjust data with the ARROW keys so that the Red vector
phase becomes 108° ± 2°.
phase becomes 108° ± 2°.
8
Press the ENTER key for next adjustment.
(10.4) 5 100°K B Phase Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Keep the Colour Temperature at 5 100°K.
8
Adjust data with the ARROW keys so that the Yellow vec-
tor phase becomes 165° ± 5°.
tor phase becomes 165° ± 5°.
8
Repeat adjusment steps (10.1) to (10.4) until both
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 5-2-12 and Table 5-2-2.
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 5-2-12 and Table 5-2-2.
8
Press the ENTER key for next adjustment.
2-11
Table 5-2-2
(11) High Light Chroma Clip Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
Adjust:
RAM (895)
8
Return the Colour Temperature from 5 100°K to 3 200°K
by removing the Colour Temperature Conversion Filter
from the Lens.
by removing the Colour Temperature Conversion Filter
from the Lens.
8
Aim the Camera at the White Chart or White Paper.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Connector.
8
Adjust data with the ARROW keys so that the false
chrominance level becomes minimum as shown in Fig. 5-
2-13.
chrominance level becomes minimum as shown in Fig. 5-
2-13.
Note: The Data of 895 should be adjusted from FF, the first
minimum point of the false chrominance signal is
adjusting point.
adjusting point.
8
Press the ENTER key for next adjustment.
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20%
20%
dG
Red
±
2˚
220 %
±
5 %
Phase
Gain
Yellow
±
5˚
110 %
±
5 %
108˚
165˚
Fig. 5-2-12
Minimize
Chrominance
Level
Chrominance
Level
Fig. 5-2-13
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