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SECTION 3
ELECTRICAL ADJUSTMENTS
AM Section
Band button : AM (ICF-C113/C113V)
: MW or LW (ICF-C113L)
Volume
: MAX
FM Section
Band button : FM
: TV (ICF-C113V)
Volume
: MAX
[MAIN BOARD]
(Component side)
• 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.
( ) : AEP, UK, Italian, Australian, E, Swiss model only
AM IF ALIGNMENT
Adjust for a maximum reading on level meter.
T2
450kHz
AM <MW> FREQUENCY COVERAGE ADJUSTMENT
Adjust parts
Frequecy display
Reading on digital
voltmeter
L6
530kHz (531kHz)
2.65
±
0.1V (ICF-C113/C113V)
2.65
±
0.1V (ICF-C113L)
Less than 10.0V
confirmation
1,710kHz (1,602kHz)
Standard 9.5V
(Less than 9.5V)
(Standard 9.0V)
AM <MW> TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3 :ICF-C113/C113V
L3–1 :ICF-C113L
580kHz
(621kHz)
CT3
1,490kHz
(1,404kHz)
ICF-C113L
LW FREQUENCY COVERAGE ADJUSTMENT
Adjust parts
Frequecy display
Reading on digital
voltmeter
CT7
153kHz
More than 2.25V
(
±
0.05V)
confirmation
279kHz
Less than 9.5V
(Standard 9.0V)
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3 – 2
162kHz
CT2
243kHz
ICF-C113/C113L
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust parts
Frequecy display
Reading on digital
voltmeter
L5
87.5MHz
3.5
±
0.1V
confirmation
108.0MHz
Less than 11.8V
(Standard 10.5V)
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L4 – 2
87.5MHz
CT5
108.0MHz
AM RF signal
generator
generator
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
signal.
Output level : as low as possible
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
FM RF signal
generator
generator
22.5kHz frequency
deviation by 400Hz signal.
Output level :
as low as possible
deviation by 400Hz signal.
Output level :
as low as possible
set
FM ANT IN
0.01 F
µ
set
8
Ω
speaker terminal
level meter
L6
CT7
SW1
JW5 (GND)
JW9 (VT)
digital
voltmeter
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