– 13 –
FM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display
87.5 MHz
108 MHz
Reading on Digital voltmeter
1.6
±
0.2 V
3.8
±
0.3V
Adjustment Part
<confirmation>
L2
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
CT1
87.5 MHz
108 MHz
AM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display
530 kHz
1,710 kHz
Reading on Digital voltmeter
0.85
±
0.05 V
5.1
±
0.3V
Adjustment Part
<confirmation> <confirmation>
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
CT2
620 kHz
1,400 kHz
• For AM adjustment, fix the ferrite-rod antenna (L3) as shown
below and then perform tracking adjustment at L4 and CT2.
Lastly check the voltage.
digital
voltmeter
PHONES jack
set
32
Ω
level meter
(range: 0.5–5 V ac)
Put the lead-wire
antenna close to
the set.
AM RF signal
generator
FH1
FM RF signal
generator
0.01
µ
F
set
TUNER SECTION 0 dB = 1
µ
V
• FM Section
Setting:
RADIO BAND button: FM
75 kHz frequency
deviation by 1 kHz signal
output level : as low as possible
• AM Section
Setting:
RADIO BAND button: AM
30% amplitude
modulation by
400 Hz signal
• Connecting Level Meter (FM and AM)
• Connecting Digital Voltmeter (FM and AM)
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
Adjustment Location: See page 14.
3.0
±
1.0 mm
L3
FERRITE-ROD
ANTENNA
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