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Panasonic AY-NE2000E Service Manual page 13

Nonlinear workstation main kit

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100
700 ± 7
mV
20
–20
–40
(8). Output P
Gain Adjustment
B
Test Point:
Video Out P
Adjust:
R442 (P
GAIN)
B
8
Set the Video Out to MII Component by the Device
Setting.
8
Connect the terminated Oscilloscope with 75Ω to the
Video Out P
Connector.
B
8
Adjust VR442 so that the P
Colour Bar signal (Setup = 0) becomes 525 mV as shown
in Fig. 3-4.
Note: When using the β Component for the adjustment,
adjust it to 756 mV (106 ± 1 IRE).
(9). Output P
Gain Adjustment
R
Test Point:
Video Out P
Adjust:
R443 (P
GAIN)
R
8
Set the Video Out to MII Component by the Device
Setting.
8
Connect the terminated Oscilloscope with 75Ω to the
Video Out P
Connector.
R
8
Adjust R443 so that the P
Colour Bar signal (Setup = 0) becomes 525 mV as shown
in Fig. 3-5.
Fig. 3-3
Connector
Rear Panel
B
Mixer Board
signal level of the build-in
B
525 mV
Fig. 3-4
Connector
Rear Panel
R
Mixer Board
signal level (p-p) of the build-in
R
Note: When using the β Component for the adjustment,
adjust it to 756 mV (106 ± 1 IRE).
(10). Output C Gain Adjustment
Test Point:
Video Out Y/C Connector
Adjust:
R441 (C GAIN)
8
Connect the Vectorscope to the Video Out Y/C Connector.
8
Adjust VR441 so that the Chrominance Gain and Phase
are adjusted to proper position (± 3%, 3%) as shown in
Fig. 3-6.
20%
dG
10°
10°
20%
dG
(11). Composite Y Gain Adjustment
Test Point:
Video Out Composite Connector
Adjust:
R440 (COMP Y)
8
Connect the Waveform Monitor to the Video Out
Composite Connector.
8
Adjust VR440 so that the Y signal level becomes 700 ± 7
mV as shown in Fig. 3-7.
100
20
BURST
SYNC
–20
–40
8
Fig. 3-5
cy
g
R
M
G
V
75%
Y
L
100%
b
U
B
yl
C
G
Y
mg
r
Fig. 3-6
700 ± 7
mV
Fig. 3-7
525 mV
Rear Panel
Mixer Board
Rear Panel
Mixer Board

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