– 8 –
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
CFT1
450kHz
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust part
Frequency display
reading on digital
voltmeter
Confirmation
531kHz
0.8 – 1.2 V
L4
1,611kHz
4.9 – 5.3 V
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
621kHz
CT2
1,404kHz
FM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
10.7MHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust part
Frequency display
reading on digital
voltmeter
Confirmation
87.5MHz
1.1 – 1.5 V
L2
108MHz
3.3 – 3.7 V
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
87.5MHz
CT1
108MHz
Adjustment Location : Tuner board (See page 12)
TUNER SECTION
AM Section
Function switch : AM
Volume
: MIN
FM Section
Function switch : FM
Volume
: MIN
Frequency Coverage Adjustment
Setting :
[TUNER BOARD]
AM RF signal
generator
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
Put the lead-wire
antenna close to
the set.
FM RF signal
generator
22.5kHz frequency deviation by 400Hz signal.
Output level : as low as possible
telescopic
antenna
terminal
0.01
µ
F
set
32
J301 (phones)
level meter
Ω
0dB = 1
µ
V
Digital voltmeter
Adjustment Location : Tuner board (See page 12)
