JVC AV-32220/G Service Manual page 25

ADJUSTMENT OF MTS CIRCUIT
Measuring
Item
instrument
MTS INPUT
LEVEL
check
MTS STEREO Signal
VCO generator
adjustment
Frequency
counter
Test point Adjustment part
No.4 IN LEVEL
【 【 【 【 MPX】 】 】 】
No.5 FH MONITOR
Connector
No.6 STEREO VCO
【 【 【 【 2】 】 】 】 pin RTV
[AV
SELECTOR
PWB]
No. 51782
Description
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.
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.
AV-32220
25