AV-27D302
AV-27D202
ADJUSTMENT OF MTS CIRCUIT
Measuring
ItemTest pointAdjustment partDescription
instrument
MTS INPUTNo.1 IN LEVEL1. Select the ?No.1 IN LEVEL? of the SOUND MODE.
LEVEL2. Verify that the ?No.1 IN LEVEL? is set at its initial setting value.
check
MTS STEREOSignalR OUTNo.2 FH MON.1. Receive a RF signal (nonmodulated sound signal) from the
VCOgenerator[AUDIO OUT]antenna terminal.
adjustmentNo.3 ST VCO
2. Select the ?No.2 FH MON.? of SOUND MODE, and change the
Frequency
setting value from 0 to 1.
counter
3. Connect the Frequency Counter to R OUT RCA pin of the
AUDIO OUT.
4. Select the ?No.3 ST VCO?.
5. Set the initial setting value of the ?No.3 ST VCO? with the
LEFT/RIGHT key of the menu.
6. Adjust the ?No.3 ST VCO? so that the Frequency Counter will
display 15.73kHz?0.1kHz.
7. Select the ?No.2 FH MON.? of the SOUND MODE, and reset
the setting value from 1 to 0.
MTS SAPSignalMPXNo.8 5FH MON.1. Receive a RF signal (non modulated sound signal) from the
VCOgeneratorConnectorantenna terminal.
adjustment4pin SDANo.9 SAP VCO2. Connect between pin4ofMPXconnector and GND (Pin
Frequency3ofMPXconnector) through 1M? Resistor.
3pin GND
counter
R OUT3. Select the ?No.8 5FH MON.? of the SOUND MODE, and reset
[AUDIO OUT]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.9 SAP VCO?.
6. Set the initial setting value of ?No.9 SAP VCO? with the
LEFT/RIGHT key of the menu.
7. Adjust the ?No.9 SAP VCO? so that the Frequency Counter will
display 78.67kHz?0.5kHz.
8. Select the ?No.8 5FH MON.? of the SOUND MODE, and reset
the setting value from 1 to 0.
24No. 51788 |