5-77
5.
Decoder VXO Freerunning Frequency Adjustment
(VA-102 Board)
Mode
E-E
Signal
Color bar (S VIDEO input) (Note 2)
(Chroma signal OFF)
Measurement Point
TP201 (CL210)
Measuring Instrument
Frequency coutner
Adjustment Element
CT201
Specified Value
f = 3579545 ± 30 Hz (NTSC)
f = 4433618 ± 20 Hz (PAL)
6.
Video Input Y/C Separation Adjustment
(VA-102 Board)
(1) Y Signal Output Level Adjustment
Mode
E-E
Signal
Color bar (VIDEO input) (Note 1)
Measurement Point
Pin
1
of IC202 (CL202)
Measuring Instrument
Oscilloscope
Adjustment Element
RV203
Specified Value
A= 0.714 ± 0.01 V (NTSC)
A= 0.700 ± 0.01 V (PAL)
Note 1:
Connect the frequency counter via high input impedance
equipment such as an oscilloscope.
Note 2:
Set “S VIDEO” mode with the INPUT SELECT button
on the front panel.
Adjusting method:
1) Set the VXO OSC frequency (f) to the specified value using
CT201.
Note 1:
Set “VIDEO” mode with the INPUT SELECT button on
the front panel.
Note 2:
Terminate the video output terminal using a 75
Ω
resis-
tor.
75
Ω
resistor (Parts code: 1-247-804-11)
Adjusting method:
1) Set the Y signal level (A) to the specified value using RV203.
For NTSC model
For PAL model
Fig. 5-3-17.
White (100%)
A
H
White (100%)
A
H
Summary of Contents for DSR-20MD
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Page 223: ... 294 DSR 20MD 20MDP 9 974 189 11 Sony EMCS Co 2007E0500 1 2007 5 Published by Kohda TEC ...