Fm Thd Adjustment; Fm Search Level Adjustment; Am(Mw) I.f Adjustment; Fm Auto Search Level Adjustment - JVC MX-GT700 Service Manual

MX-GT700

FM THD Adjustment

SSG FREQ.
Adjustment
point
FM DETECTOR COIL
(FM DET)
60 dB
Output
Minumum Distortion (0.4% below)
(Fig.2)

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 (Fig.3)
*Adjust FM S.S.G level to 28dB

AM(MW) I.F Adjustment

SSG FREQ.
Frequency
Adjustment
point
Maximum output (Fig.4)
1-20
98 MHz
98 MHz
2dB)
450 kHz
520 kHz
AM IF
FM
Output
Antenna
GND
Terminal
FM S.S.G
Speaker
Terminal
Fig.2 IF CENTER and THD Adjustment
28 dB
GND
FM S.S.G
Fig.3 FM Auto Search Level Adjustment
60cm
OUTPUT
AM SSG
450KHZ
INPUT
Fig.4 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
VTVM Oscilloscope