Read Panasonic WV-NW470S / WV-NW474SE Service Manual online
2-9
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
Red
±
2˚
220 %
±
5 %
Phase
Gain
Yellow
±
5˚
120 %
±
5 %
108˚
165˚
(10.2). 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
becomes 120 % ± 5 %.
becomes 120 % ± 5 %.
8
Repeat adjusment steps (10.1) and (10.2) until both
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 5-13 and Table 5-3.
Chrominance phase and gain are adjusted to proper posi-
tion as shown in Fig. 5-13 and Table 5-3.
Fig. 5-13
Table 5-3
Minimize
Chrominance
Level
Chrominance
Level
Fig. 5-14
8
Press ENTER key for next adjustment.
(11).High light Chroma Clip Adjustment
Test Point:
Video Output Connector
Adjust:
RAM (801F)
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-
14
chrominance level becomes minimum as shown in Fig. 5-
14
Note: The Data of 801F should be adjusted from FF, the first
minimum point of the false chrominance signal is
adjusting point.
adjusting point.
(12.1). Line Lock Phase Coarse Adjustment
Test Point:
Video Output Connector
Live (Brown) of the Power Cable
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 Logarithmic Gray Scale Chart.
8
Connect the CH1 of the terminated Oscilloscope with 75
Ω
to the Video Output Connector.
8
Connect the CH2 of the Oscilloscope to the Live (Brown)
of the Power Cable.
of the Power Cable.
8
Connect the Ground Probe of CH2 to the Neutral (Blue)
of the Power Cable.
of the Power Cable.
8
Adjust data with the ARROW keys so that the Decay
point of V SYNC signal gains 2H ± 2H from the zero-
cross point of the AC Power Line Input Waveforms as
shown in Fig. 5-15.
point of V SYNC signal gains 2H ± 2H from the zero-
cross point of the AC Power Line Input Waveforms as
shown in Fig. 5-15.
8
Press the ENTER key for next adjustment.
(12.2). Line Lock Phase Fine Adjustment
Test Point:
Video Output Connector
Live (Brown) of the Power Cable
8
Keep the Colour Temperature at 5 100°K.
8
Aim the Camera at the Logarithmic Gray Scale Chart.
8
Connect the CH1 of the terminated Oscilloscope with 75
Ω
to the Video Output Connector.
8
Connect the CH2 of the Oscilloscope to the Live (Brown)
of the Power Cable.
of the Power Cable.
8
Connect the Ground Probe of CH2 to the Neutral (Blue)
of the Power Cable.
of the Power Cable.
8
Adjust data with the ARROW keys so that the Decay
point of V SYNC signal gains 2H ± 2H from the zero-
cross point of the AC Power Line Input Waveforms as
shown in Fig. 5-15.
point of V SYNC signal gains 2H ± 2H from the zero-
cross point of the AC Power Line Input Waveforms as
shown in Fig. 5-15.
8
Repeat adjustment steps (12.1) and (12.2) until the
Decay point of V SYNC signal gains 2H ± 2H from the
zero-cross point of the AC Power Line Input waveforms.
Decay point of V SYNC signal gains 2H ± 2H from the
zero-cross point of the AC Power Line Input waveforms.
8
After completing the adjustment, press the QUIT (F3)
key, then the menu <SAVE CAMERA DATA TO FILE :
key, then the menu <SAVE CAMERA DATA TO FILE :
✽
✽ ✽
. EVR? Y/N> will be displayed.
8
Press the N key, and then press the ENTER key to finish
this adjustment procedure.
this adjustment procedure.
AC Power
Line Input
Waveforms
(CH2)
Video Output
Signal
Waveform
(CH1)
–
+
2H
±
2H
Zero-Cross Point
V SYNC
(NEUTRAL)
(LIVE)
Fig. 5-15
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