Sony ICF-C215 / ICF-C215L Service Manual ▷ View online
– 5 –
2-3. CRYSTAL BOARD (7CET MODEL ONLY)
2-4. RADIO BOARD
2
CN7
1
Crystal board
1
Claws
2
3
Radio board
Snap, battery (W1)
Cabinet (lower)
– 6 –
INSTALLATION POWER CORD
NOTE FOR INSTALLATION (KNOB (VOL), KNOB (TUNE), POINTER)
Cabinet (lower)
Power transformer(T2)
Power cord
2
Turn RV1 fully in the
arrow direction.
1
Turn the shaft of CV1
fully in the arrow direction.
5
Turn the knob (VOL)
fully in the arrow direction
A
to be the marking
between arrows
A
and
B
.
3
Pointer
4
Knob (tune)
6
Radio board
Cabinet (lower)
Marking
Marking
CV1
B
A
RV1
Knob (VOL)
Knob (VOL)
– 7 –
SECTION 3
ELECTRICAL ADJUSTMENTS
TUNER SECTION
AM/LW Section
Procedure :
BAND
: AM (C215)
LW (C215L)
LW (C215L)
VOLUME : MIN
FM Section
Procedure :
BAND
: FM
VOLUME : MIN
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
400Hz signal.
Output level : as low as possible
antenna
terminal
(JW1)
terminal
(JW1)
0.01
µ
F
set
32
Ω
speaker terminal
level meter
•
Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
< >
: Italian model
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
455kHz
C215
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
520kHz
<516.5kHz>
CT4
1,750kHz <1631.5kHz>
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
620kHz
CT1
1,400kHz
C215L
LW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
140kHz
CT6
240kHz
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
140kHz
CT5
240kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
86.5MHz
<87.35MHz>
CT3
109.5MHz <108.25MHz>
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L2
86.5MHz
<87.35MHz>
CT2
109.5MHz <108.25MHz>
– 8 –
CT3 : FM Frequency Coverage Adjustment
L3: FM Frequency Coverage Adjustment
CT6 : LW Frequency Coverage Adjustment
L4 : LW Frequency Coverage Adjustment
L1 : LW Tracking Adjustment
T1 : AM IF Adjustment
CT2 : FM Tracking Adjustment
CT5 : LW Tracking Adjustment
L2 : FM Tracking Adjustment
CT3 : FM Frequency Coverage Adjustment
L3: FM Frequency Coverage Adjustment (Except IT model)
L3: FM Frequency Coverage Adjustment (IT model)
L4 : AM Frequency Coverage Adjustment
CT4 : AM Frequency Coverage Adjustment
L1 : AM Tracking Adjustment
T1 : AM IF Adjustment
CT1 : AM Tracking Adjustment
CT2 : FM Tracking Adjustment
L2 : FM Tracking Adjustment
ICF-C215L
ICF-C215
Adjustment Location :
RADIO board (Component side)
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