– 15 –
digital
voltmeter
100 kΩ
TP (VT)
i jack (J321)
set
32 Ω
level meter
(range: 0.5–5 V ac
Put the lead-wire
antenna close to
the set.
AM RF signal
generator
TP (JW2)
FM RF signal
generator
0.01 µF
set
TUNER SECTION 0 dB = 1 µV
• FM Section
Setting:
RADIO (BAND) button: FM
75 kHz frequency
deviation by 1 kHz signal
output level : as low as possible
• MW/LW Section
Setting:
RADIO (BAND) button: MW or LW
30% amplitude
modulation by
400 Hz signal
• Connecting Level Meter (FM, MW and LW)
• Connecting Digital Voltmeter (FM, MW and LW)
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
FM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display 87.5 MHz 108 MHz
Reading on Digital voltmeter 1.6 ± 0.4 V 4.0 ± 0.3 V
Adjustment Part <confirmation> L2
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1 CT1
87.5 MHz 108 MHz
FM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T2
10.7 MHz
MW FREQUENCY COVERAGE
CHECK
Frequency Display 531 kHz 1,611 kHz
Reading on Digital voltmeter 1.0 ± 0.5 V 5.2 ± 0.6 V
Adjustment Part <confirmation> <confirmation>
MW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3-1 CT3
621 kHz 1,404 kHz
MW/LW IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
450 kHz
LW FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display 153 kHz 279 kHz
Reading on Digital voltmeter 0.6 ± 0.3 V 5.0 ± 0.1 V
Adjustment Part <confirmation> L4
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3-2 CT5
162 kHz 261 kHz
Adjustment Location: See page 16.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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