AV-20D304
1-22 (No.52103)
3.6.7 MTS CIRCUIT
Item
Measuring
instrument
Test point
Adjustment part
Description
MTS INPUT
LEVEL
Remote
control unit
[3.SOUND(A)]
A01 : IN LEVEL
(1) Select the <A01>(IN LEVEL) of the 3.SOUND.
(2) Verify that the <A01> is set at its initial setting value.
MTS
SEPARATION
TV audio
multiplex
Signal
generator
Oscilloscope
Remote
control unit
R OUT
L OUT
[AUDIO OUT]
[3.SOUND(A)]
A06 : LOW SEP
A07 : HI SEP
(1) Input the stereo L signal (300Hz) from the TV audio
multiplex signal generator to the antenna terminal.
(2) Connect an oscilloscope to R OUT pin of the AUDIO
OUT, and display one cycle portion of the 300Hz
signal.
(3) Select the <A06>(LOW SEP) of the SOUND MODE.
(4) Set the initial setting value of the <A06> with the
[VOLUME (-/+)] key.Adjust the <A06> so that the
stroke element of the 300Hz signal will become
minimum.
(5) Change the connection of the oscilloscope to L OUT
pin of the AUDIO OUT, and enlarge the voltage axis.
(6) Change the signal to 3kHz, and similarly adjust the
<A07>(HI SEP).
No
A01
Setting item
IN LEVEL
0~63
Variable
range
Initial setting
value
036
L-Channel
signal waveform
R-Channel
crosstalk portion
Minimum
1 cycle
No
A06
Setting item
LOW SEP
0~63
Variable
range
Initial setting
value
008
A07
HI SEP
0~63
026
Содержание AV-20D304/SA
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