– 13 –
FM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display
87.5 MHz
108 MHz
Reading on Digital voltmeter
1.6 ± 0.2 V
3.6 ± 0.2 V
Adjustment Part
L2
<confirmation>
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
(CT1)
87.5 MHz
108 MHz
( ) : Except East European model
MW FREQUENCY COVERAGE
CHECK
Frequency Display
531 kHz
1,611 kHz
Reading on Digital voltmeter
0.85 ± 0.05 V
5.0 ± 0.4 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 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 ± 0.1 V
4.8 ± 0.4 V
Adjustment Part
<confirmation>
L4
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3-2
CT5
162 kHz
261 kHz
Note: Adjustment procedure
1
LW frequency coverage adjustment
µ
MW frequency coverage check
2
MW tracking adjustment
µ
LW tracking adjustment
µ
MW tracking check
Adjustment Location: See page 14.
digital
voltmeter
100 k
Ω
TP (VT)
(JW17)
PHONES jack (J301)
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
Antenna terminal
FM RF signal
generator
0.01
µ
F
set
TUNER SECTION 0 dB = 1 µV
• FM Section
Setting:
RADIO BAND switch: FM
75 kHz frequency
deviation by 1 kHz signal
output level : as low as possible
• MW/LW Section
Setting:
RADIO BAND switch: 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.
