JVC MX-DVA5 Service Manual page 20

MX-DVA5
FM THD Adjustment
SSG FREQ.
Adjustment
point
FM DETECTOR COIL
(FM DET)
60 dB
Output
Minumum Distortion (0.4% below)
(Figure 1-1)
FM Search Level Adjustment
SSG FREQ.
Adjustment
BEACON
point
SENSITIVITY
(SVR1) SEMI-VR(20K)
Output
28 dB
Adjust SVR1 so that "TUNED" of FL T
is lighted (Figure 1-2)
*Adjust FM S.S.G level to 28dB
AM(MW) I.F Adjustment
SSG FREQ.
Frequency
Adjustment
point
Maximum output (Figure 1-3)
1-20
98 MHz
98 MHz
450 kHz
530 kHz
AM IF
FM
Output
Antenna
GND
Terminal
FM S.S.G
Speaker
Terminal
Figure1-1 IF CENTER and THD Adjustment
28 dB
GND
FM S.S.G
Figure1-2 FM Auto Search Level Adjustment
60cm
OUTPUT
AM SSG
450KHZ
INPUT
VTVM
Figure1-3 AM I.F Adjustment
SET
Oscilloscope
Input
output Input
Distortion Meter
FM Antenna
SET
FM IN
20 k
AM IF
AM ANT
IN
Speaker Terminal
OUTPUT
Oscilloscope