Read Sony ICF-CA2 Service Manual online
— 6 —
BAND : AM
Signal generator
Signal generator
• Repeat the procedures in each adjustment several times for the
maximum level meter indication.
• The frequency coverage and tracking adjustments should be
finally done by the trimmer capacitors.
AM SECTION
FM SECTION
[Adjustment Location : Main board] (Component side)
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
signal.
Output level : as low as possible
AM RF signal
generator
generator
0.01
µ
F
FM RF signal
generator
generator
telescopic
antenna
terminal
antenna
terminal
75kHz (100%) amplitude modulation
by 1kHz signal.
Output level : as low as possible
by 1kHz signal.
Output level : as low as possible
16
Ω
set
+
–
level meter
Speaker terminal (SP1)
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
450 kHz
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L2
620 kHz
CT1-1
1,400 kHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
87.35 MHz
CT1-2
108.05 MHz
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L5
520 kHz
CT1-4
1,650 kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
86.35 MHz
CT1-3
108.05 MHz
SECTION 3
ADJUSTMENTS
BAND : FM
Signal generator
Signal generator
CT1-4
L5
L5
AM
FREQUENCY
COVERAGE
ADJUSTMENT
FREQUENCY
COVERAGE
ADJUSTMENT
L4
CT1-3
CT1-3
FM
FREQUENCY
COVERAGE
ADJUSTMENT
FREQUENCY
COVERAGE
ADJUSTMENT
T1
AM IF
ADJUSTMENT
AM IF
ADJUSTMENT
CT1-2
L3
L3
FM
TRACKING
ADJUSTMENT
TRACKING
ADJUSTMENT
L2
CT1-1
CT1-1
AM
TRACKING
ADJUSTMENT
TRACKING
ADJUSTMENT
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