No. 51782
AV-32220
25
ADJUSTMENT OF MTS CIRCUIT
Item
Measuring
instrument
Test point
Adjustment part
Description
MTS INPUT
LEVEL
check
No.4 IN LEVEL
1. Select the “No.4 IN LEVEL” of the SOUND MODE.
2. Verify that the “No.4 IN LEVEL” is set at its initial setting value.
MTS STEREO
VCO
adjustment
Signal
generator
Frequency
counter
【
【
【
【
MPX
】
】
】
】
Connector
【
【
【
【
2
】
】
】
】
pin RTV
[AV
SELECTOR
PWB]
No.5 FH MONITOR
No.6 STEREO VCO
1. Receive a RF signal (nonmodulated sound signal) from the
antenna terminal.
2. Select the “No.5 FH MONITOR” of SOUND MODE, and
change the setting value from 0 to 1.
3. Connect the Frequency Counter to pin
【
2
】
of
【
MPX
】
connector.
4. Select the “No.6 STEREO VCO”.
5. Set the initial setting value of the “No.6 STEREO VCO” with the
LEFT/RIGHT key of the menu.
6. Adjust the “No.6 STEREO VCO” so that the Frequency
Counter will display 15.73kHz
±
0.1kHz.
7. Select the “No.5 FH MONITOR” of the SOUND MODE, and
reset the setting value from 1 to 0.