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– 12 –
digital
voltmeter
voltmeter
TP (VT)
2
(headphones) jack (J301)
set
32
Ω
level meter
(range: 0.5-5 V ac)
(range: 0.5-5 V ac)
Put the lead-wire
antenna close to
AM loop antenna.
antenna close to
AM loop antenna.
AM RF signal
generator
generator
FM lead-wire
antenna (CNP2)
antenna (CNP2)
FM RF signal
generator
generator
0.01
µ
F
set
FM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display
87.6 MHz
108 MHz
Reading on Digital voltmeter
1.6 ± 0.4V
6.5 ± 0.5V
Adjustment Part
L2
<confirmation>
Note: Not use the FM RF signal generator in this adjustment.
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
CT1
87.6 MHz
108 MHz
AM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display
530 kHz
1,710 kHz
Reading on Digital voltmeter
1.0 ± 0.5 V
5.0 ± 1.0 V
Adjustment Part
L4
<confirmation>
Note: Not use the AM RF signal generator in this confirm.
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
CT2
620 kHz
1,400 kHz
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
CFT1
450 kHz
Adjustment Location: TUNER board (See page 13.)
TUNER SECTION 0 dB = 1 µV
• FM Section
Setting:
FUNCTION button: FM
FUNCTION button: FM
22.5 kHz frequency
deviation by 400 Hz signal
output level : as low as possible
deviation by 400 Hz signal
output level : as low as possible
• AM Section
Setting:
FUNCTION button: AM
FUNCTION button: AM
30% amplitude
modulation by 400 Hz signal
output level : as low as possible
modulation by 400 Hz signal
output level : as low as possible
• Connecting Level Meter (FM and AM)
–tuner board (conductor side)–
• 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.
done by the trimmer capacitors.
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