Sony CFM-D1JMK2 - Radio Section Adjustments; Record;Playback Head Azimuth Adjustment

CFM-D1JMK2/D1MK2
9
REDIO SECTION
Turn the adjustment screw for the maximum output levels.
Adjustment Location :
r
FM Section
BAND switch : FM
Adjustment Location :
FM rf signal
generator
22.5kHz frequency deviation by
400Hz signal.
output level : as low as possible
r
MW Section
BAND switch : MW
FINE TUNING control : mechanical center
AM rf signal
generator
Put the lead-wire
antenna close to
the set.
30% amplitude modulation by 400Hz signal.
Output level : as low as possible
r
SW Section
BAND switch : SW
FINE TUNING control : mechanical center
AM rf signal
generator
Earphone jack
32 Ω
set
+
–
level meter
(range: 0.5-5V ac)
or distortion meter
r
Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
adjustment screw
Record/Playback Head Azimuth Adjustment
Procedure :
Mode : playback
test tape
P-4-A063
(6.3kHz, -10dB)
Earphone jack
32 Ω
level meter
set
12pF
telescopic antenna
terminal
30% amplitude
modulation by 400Hz signal
output level : as low as possible
telescopic antenna
input
0.01 µ F
tape speed adjustment
control Inside motor