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ICF-C303
ii
AM RF signal
generator
Put the lead-wire
antenna close to
the set.
Cee
30 % amplitude
modulation by
400Hz signal
Output level: as low as possible
FM RF signal
generator
|
FM ANT
terminal
+£22.5kHz frequency deviation
by 400Hz signal
Output level: as low as possible
speaker terminal
e@ Repeat the procedures in each adjustment several times,
and the tracking adjustments should be fimally the trimmer
capacitors.
Adjustment Location :
[MAIN
BOARD]
-comPoNENT
$1DE-
SECTION
2
ELECTRICAL ADJUSTMENTS
(
): EXCEPT US, CND, E92 model
AM IF ADJUSTMENT
Adjust for a maximum
reading on
VT VM.
450kHz
AM VCO VOLTAGE ADJUSTMENT
Adjustment
Frequency
Reading on Digital
Part
Display
voltmeter
1,710kHz
9V
(1,602k Hz)
(check)
(confirmation)
530kHz
14V
(531kHz)
Note: Not use the AM RF sigmal generator in this adjustment.
AM TRACKING ADJUSTMENT
Adjust for a maximum
reading on
VT VM.
Ll
580kHz
(621kHz)
1,490kHz
(1,404kHz)
FM VCO VOLTAGE ADJUSTMENT
Adjustment
Frequency
Reading on Digital
Part
Display
voltmeter
(check)
Note: Not use the FM sigmal generator in this adjustment.
ene
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