Read Sony ICF-9500 Service Manual online
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SECTION 4
ELECTRICAL ADJUSTMENTS
MW/LW Section
Procedure :
BAND switch
: MW/LW
VOLUME control : MIN
TONE control
TONE control
: MAX
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.
SW Section
Procedure :
BAND switch
: SW
VOLUME control : MIN
TONE control
TONE control
: MAX
AM RF signal
generator
generator
30% amplitude modulation by
400Hz signal.
Output level : as low as possible
400Hz signal.
Output level : as low as possible
telescopic
antenna
terminal
antenna
terminal
12PF
FM Section
Procedure :
BAND switch
: FM
VOLUME control : MIN
TONE control
TONE control
: MAX
FM RF signal
generator
generator
22.5kHz frequency deviation by
400Hz signal.
Output level : as low as possible
400Hz signal.
Output level : as low as possible
telescopic
antenna
terminal
antenna
terminal
0.01 F
µ
set
32
Ω
+
–
Earphone jack(J101)
level meter
r
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.
no mark : AEP,UK model and COM
< > : Italian model
< > : Italian model
AM IF ALIGNMENT
Adjust for a maximum reading on level meter.
T2
455kHz
MW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L10
520kHz
<516.5kHz>
CT7
1,650kHz
<1,631.5kHz>
MW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L20 – 1
600kHz
CT3
1,400kHz
LW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
CT9
145kHz
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L20 – 2
160kHz
CT4
240kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L9
87.35MHz
CT6
108.5MHz
<108.25MHz>
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L8
87.35MHz
CT5
108.5MHz
<108.25MHz>
SW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L11
5.85MHz
CT8
18.25MHz
SW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L6
5.85MHz
CT2
18.25MHz
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