No. 51686
V-27D201
V-32D201
27
ADJUSTMENT OF MTS CIRCUIT
Item
Measuring
instrument
Test point Adjustment part Description
MTS INPUT
LEVEL
check
Remote
control unit
No.2 IN LEVEL
1. Select the
No.2 IN LEVEL
of the SOUND MODE.
2. Verify that the
No.2 IN LEVEL
is set at its initial setting value.
MTS STEREO
VCO
adjustment
Signal
generator
Frequency
counter
Remote
control unit
R OUT
[AUDIO OUT]
No.3 FH MONITOR
No.4 STEREO VCO
1. Input the RF signal (non-modulated sound signal) from the
antenna terminal.
2. Select the
No.3 FH MONITOR
of SOUND MODE, and change
the setting value from 0 to 1.
3. Connect the frequency counter to R out RCA pin of the AUDIO
OUT.
4. Select the
No.4 STEREO VCO
.
5. Set the initial setting value of the
No.4 STEREO VCO
with the
LEFT/RIGHT key of the menu.
6. Adjust the
No.4 STEREO VCO
so that the frequency counter
will display 15.73kHz
0.1kHz.
7. Select the
No.3 FH MONITOR
of the SOUND MODE, and
reset the setting value from 1 to 0.
MTS SAP
VCO
adjustment
Signal
generator
Remote
control unit
"
""
"
MPX
#
##
#
Connector
"
""
"
4
#
##
#
pin SDA
"
""
"
3
#
##
#
pin GND
[AV
SELECTOR
PWB]
R OUT
[AUDIO OUT]
No.9 5FH MON.
No.10 SAP VCO
1. Receive the RF signal (non-modulated sound signal) from the
antenna terminal.
2. Connect between pin
"
4
#
of
"
MPX
#
connector and GND (Pin
"
3
#
of
"
MPX
#
connector) through 1M
resistor.
3. Select the
No.9 5FH MON
. of the SOUND MODE, and reset
the setting value from 0 to 1.
4. Connect the frequency counter to R out RCA pin of the AUDIO
OUT.
5. Select the
No.10 SAP VCO
.
6. Set the initial setting value of
No.10 SAP VCO
with the
LEFT/RIGHT key of the menu.
7. Adjust the
No.10 SAP VCO
so that the frequency counter will
display 78.67kHz
0.5kHz.
8. Select the
No.9 5FH MON.
of the SOUND MODE, and reset
the setting value from 1 to 0.
MTS FILTER
check
Remote
control unit
No.6 FILTER
1. Select the
No.6 FILTER
of the SOUND MODE.
2. Verify that the
No.6 FILTER
is set at its initial setting value.
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