Sony ICF-C240 User Manual

SECTION 1
ELECTRICAL ADJUSTMENTS
FM Section AM Section oii
SERVICE
MANUAL
AEP
Model
isi
=
[-~}H
Pz)
antenna close to
ww the set,
3
ICF-C240
TIME SET-M button. ALARM button speaker terminal
[1 semen
TIME
SET-H
button-
SLEEP
button
‘00H,
80%
@
Repeat
the
procedures
in
each
adjustment
CLOCK
button.
REPEAT
ALARM/
AM
modulation
several
times,
and
the
frequency
coverage
and
SPEER
OFF
button
s2askiis
frequency
Output
level
as
tow
as
possbte
tracking
adjustments
should
be
finally
done
by
output level :as low as possible the trimmer capacitors,
ALARM
(RADIO/BUZZER)
Ne
Band
(FM/AM)
selector
FM
FREQUENCY
AM_IF
ALIGNMENT
VOL
(volume)
control
COVERAGE
ADJUSTMENT
Adjust
for
a
maximum
reading
TUNING
control
|
‘Adjust
for
a
maximum
reading
on
VTVM.
|
on
VTVM,
12
i
L4
87.35(87.3)MHz
455kHz
{ cT2
108.05(108.3)
MHz
\
AM
FREQUENCY
SPECIFICATIONS
FM
TRACKING
ADJUSTMENT
COVERAGE
ADJUSTMENT
Frequency
range
FM
AM
MAIN
BOARD
REMOVAL
Adjust
for
a
maximum
reading
Adjust
for
a
maximum
reading
AEP
model
|
87.6—107.5MHz
|
531—1,602kHz
o
Turn
TUNING
knob
fully
clockwise.
coy)
on
VTVM
IT
model |
87.5—108MHz
526.5—1,606.5kHz
e
R
4B
2.6X5
s
LS,
L6
87.35(87.3)MHz
13
520(516.5)kHz
einoveiscrew
(48.26%)
Ct
108.05
(108.3)
MHz
crt
1,650(1,631.5)kHz
Antenna
FM:
AC
power
cord
antenna
©
Release
fook,
(_):IT
model
Seu
ye
Lae
ere
esl
de
©
Remove
main
board
pressing
down
TUNING
knob.
speaker
pprox.
6.6
cm
(27,
inches)
dia.
¢
"
a
i
[AM
TRACKING
ADJUSTMENT]
Power
output
100mW
(at
10%
harmonic
distortion)
Note:
When
installing
main
board,
align
shaft
of
VOL
knob
AM
TRACKING
ADJUSTMENT.
Power
requirement
220V
AC,
50H2
with
a
hole
of
adjustable
resistor.
‘Adjust
for
a
maximum
reading
For
the
power
backup
function:
on
VTVM,
9V DC,
one
6F
22
battery
Battery
life
Approx.
80
hours,
using
Sony
battery
S-O06P
(U)
°
EL
S20kHz
Dimensions
Approx.
181.5x59x144mm (w/h/d)
CT3
1,400kHz
(7.x
2%
x54, inches)
ae
incl.
projecting
ports
and
controls.
Weight
Approx.
520g
(1
Ib
302)
it
incl.
batt
te
.
not
inch
battery
alle
BOAR
[MAIN
BOARD]
-
component
side
-
Design
and
specifications
subject
to
change
without
notice
|
adjustable
i
resistor
FEATURES
* Electronic digital alarm clock and sleep timer are combined.
+ Two wake-up modes available: radio or buzzer alarm.
* REPEAT ALARM bar, operable with a feather-light touch, offers
two functions: snooze alarm and sleep timer turn off.
* Power back-up function to keep the clock operating during a
power interruption, using an optional 6F22 battery.
VOL knob |
@ TuNING KNos |
SAFETY-RELATED COMPONENT WARNING!!
|
|
&
COMPONENTS IDENTIFIED BY MARK /\ OR DOTTED @ screw
LINE WITH MARK \ ON THE SCHEMATIC DIAGRAMS +8 265
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
tas oaeenmemmseen FM/AM DIGITAL CLOCK RADIO

Sony ICF-C240 Specifications

General

Type	Clock Radio
Tuner Bands	AM/FM
Display	LED
Snooze Function	Yes
Power Source Voltage	120V AC
Power Source	AC
Alarm Type	Radio or Buzzer