JVC CA-MXGB5, Service Manual

Page: 32 / 85

1-32 (No.MB160)
FM THD Adjustment
Output
Output 28 dB(±2dB)
60 dB
Minimum Distortion (0.4% below)
(Fig.2)
SSG FREQ.
Adjustment
point
(FM DET)
98 MHz
FM DETECTOR COIL
FM Search Level Adjustment
Adjust SVR1 (Fig.3)
Fig.3 FM Auto Search Level Adjustment
*Adjust FM S.S.G level to 28dB
Fig.2 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment
point
(SVR1)
98 MHz
BEACON
SENSITIVITY
SEMI-VR(10K )
FM S.S.G
GND
28 dB
FM S.S.G
Output
Speaker
Terminal
FM
Antenna
Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
FM IN
FM Antenna
SET
20 k
OUTPUT
AM SSG
450kHZ
INPUT
AM ANT
IN
Speaker Terminal
60cm
AM IF
VTVM Oscilloscope
AM(MW) I.F Adjustment
Maximum output (Fig.4)
SSG FREQ.
Frequency
Adjustment
point
450 kHz
522 kHz
AM IF
Fig.4 AM I.F Adjustment
OUTPUT
GND