JVC AV-32D201 - MTS SEPARATION adjustment

No. 51686
A
V-27D201
A
V-32D201
28
Item
Measuring
instrument
Test point Adjustment part Description
MTS
SEPARATION
adjustment
TV audio
multiplex
signal
generator
Oscilloscope
Remote
control unit
L OUT
R OUT
[AUDIO OUT]
No.7 LOW SEP.
No.8 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 L OUT pin of the AUDIO OUT, and
display one cycle portion of the 300Hz signal.
3. Change the connection of the oscilloscope to R OUT pin of the
AUDIO OUT, and enlarge the voltage axis.
4. Select the
No.7 LOW SEP.
of the SOUND MODE.
5. Set the initial setting value of the
No.7 LOW SEP.
with the
LEFT/RIGHT key of the menu.
6. Adjust the
No.7 LOW SEP.
so that the stroke element of the
300Hz signal will become minimum.
7. Change the signal to 3kHz, and similarly adjust the
No.8 HI
SEP.
L-Channel
signal waveform
R-Channel
crosstalk portion
Minimum
1 cycle