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3-264-263-21(1)

FM/AM
Radio-Controlled
Clock Radio

Operating Instructions

ICF-C275RC

© 2004 Sony Corporation          Printed in China

Dream Machine is a trademark of Sony Corporation.

IMPORTANT SAFEGUARDS

For your protection, please read these safety instructions completely before operating the appliance, 

and keep this manual for future reference.

Carefully observe all warnings, precautions and instructions on the appliance and in the operating 

instructions, and adhere to them.

INSTALLATION

Water and Moisture

Do not use powerline operated appliances near water - for example, near a bathtub, washbowl, 

kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc.

Heat

Do not place the appliance near or over a radiator or heat register, or where it is exposed to direct 

sunlight.

Ventilation

The slots and openings in the cabinet are provided for necessary ventilation. To ensure reliable 

operation of the appliance, and to protect it from overheating, these slots and openings must never be 

blocked or covered.

-Never cover the slots and openings with a cloth or other materials.

-Never block the slots and openings by placing the appliance on a bed, sofa, rug or other similar     

 surface.

-Never place the appliance in a confined space, such as a bookcase, or built-in cabinet, unless proper   

 ventilation is provided.

Accessories

Do not place the appliance on an unstable cart, stand, tripod, bracket, or table. The appliance may fall, 

causing serious injury to a child or an adult, and serious damage to the appliance. Use only a cart, 

stand, tripod, bracket, or table recommended by Sony.  

-An appliance and cart combination should be moved with care. Quick stops, excessive force, and   

 uneven surfaces may cause the appliance and cart combination to overturn.

Wall or Ceiling Mounting

If your appliance can be mounted to a wall or ceiling, mount it only as recommended by Sony.

USE

Power Source

This appliance should be operated only from the type of power source indicated on the marking label. 

If you are not sure of the type of electrical power supplied to your home, consult your dealer or local 

power company. For those appliances designed to operate from battery power, or other sources, refer 

to the operating instructions.

Grounding or Polarization

This appliance is equipped with a polarized AC power cord plug (a plug having one blade wider than 

the other), or with a three-wire grounding type plug (a plug having a third pin for grounding). Follow 

the instructions below:

-For the appliance with a polarized AC power cord plug:

This plug will fit into the power outlet only one way. This is a safety feature. If you are unable to 

insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact 

your electrician to have a suitable outlet installed. Do not defeat the safety purpose of the polarized 

plug by forcing it in.

-For the appliance with a three-wire grounding type AC plug:

This plug will only fit into a grounding-type power outlet. This is a safety feature. If you are unable to 

insert the plug into the outlet, contact your electrician to have a suitable outlet installed. Do not defeat 

the safety purpose of the grounding plug.

Overloading

Do not overload wall outlets, extension cords or convenience receptacles beyond their capacity, since 

this can result in fire or electric shock. 

When not in use

Unplug the power cord of the appliance from the outlet when left unused for a long period of time.

To disconnect the cord, pull it out by grasping the plug. Never pull the plug out by the cord.

Power-Cord Protection

Route the power cord so that it is not likely to be walked on or pinched by items placed upon or 

against them, paying particular attention to the plugs, receptacles, and the point where the cord exits 

from the appliance.

Lightning

For added protection for this appliance during a lightning storm, or when it is left unattended and 

unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable 

system. This will prevent damage to the appliance due to lightning and powerline surges.

Object and Liquid Entry

Never push objects of any kind into the appliance through openings as they may touch dangerous 

voltage points or short out parts that could result in a fire or electric shock. Never spill liquid of any 

kind on the appliance.

Cleaning

Unplug the appliance from the wall outlet before cleaning or polishing it. Do not use liquid cleaners 

or aerosol cleaners. Use a cloth lightly dampened with water for cleaning the exterior of the appliance. 

Clean the appliance only as recommended by Sony.

Attachments

Do not use attachments not recommended by Sony, as they may cause hazards.

ANTENNAS

Outdoor Antenna Grounding

If an outdoor antenna or cable system is installed, follow the precautions below.
An outdoor antenna system should not be located in the vicinity of overhead power lines or other 

electric light or power circuits, or where it can come in contact with such power lines or circuits.

WHEN INSTALLING AN OUTDOOR ANTENNA SYSTEM, EXTREME CARE SHOULD BE TAKEN 

TO KEEP FROM CONTACTING SUCH POWER LINES OR CIRCUITS AS CONTACT WITH THEM 

IS ALMOST INVARIABLY FATAL.
Be sure the antenna system is grounded so as to provide some protection against voltage surges and 

built-up static charges. Section 810 of the National Electrical Code provides information with respect 

to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an 

antenna discharge unit, size of grounding conductors, location of antenna-discharge unit, connection 

to grounding electrodes, and requirements for the grounding electrode.

Antenna Grounding According to the National 
Electrical Code

SERVICE

Damage Requiring Service

Unplug the appliance from the wall outlet and refer servicing to qualified service personnel under the 

following conditions:

-When the power cord or plug is damage or frayed.

-If liquid has been spilled or objects have fallen into the appliance.

-If the appliance has been exposed to rain or water.

-The appliance does not appear to operate normally or exhibits a marked change in performance.

 -This indicates a need for service.

-If the appliance does not operate normally when following the operating instructions, adjust only 

 those controls that are specified in the operating instructions. Improper adjustment of other controls   

 may result in damage and will often require extensive work 

 by a qualified technician to restore the appliance to normal operation.

-If the appliance has been subject to excessive shock by being dropped, or the cabinet has been 

 damaged.

Servicing

Do not attempt to service the appliance yourself as opening or removing covers may expose you to 

dangerous voltage or other hazards.

Refer all servicing to qualified service personnel.

Replacement parts

When replacement parts are required, be sure the service technician has used replacement parts 

specified by Sony that have the same characteristics as the original parts.

Unauthorized substitutions may result in fire, electric shock, or other hazards.

Safety Check

Upon completion of any service or repairs to the appliance, ask the service technician to perform 

routine safety checks (as specified by Sony) to determine that the appliance is in safe operating 

condition.

Antenna Discharge Unit 

(NEC Section 810-20) 

Grounding Conductors 

(NEC Section 810-20) 

Antenna Lead-in Wire

 Ground

 Clamps

NEC-NATIONAL 

ELECTRICAL CODE

Electric Service

Equipment 

Ground Clamps

Power Service Grounding Electrode System

(NEC Art 250 Part H)

For customers who purchased this product in the
USA
Please register this product on line at
http://www.sony.com/productregistration.
Proper registration will enable us to send you
periodic mailings about new products, services,
and other important announcements. Registering
your product will also allow us to contact you in
the unlikely event that the product needs
adjustment or modification. Thank you.

WARNING

To prevent fire or shock hazard, do not
expose the unit to rain or moisture.

To avoid electrical shock, do not open the cabinet.
Refer servicing to qualified personnel only.
Do not install the appliance in a confined space, such
as a bookcase or built-in cabinet.
To prevent fire or shock hazard, do not place objects
filled with liquids, such as vases, on the apparatus.

This symbol is intended to alert the
user to the presence of uninsulated
“dangerous voltage” within the
product’s enclosure that may be of
sufficient magnitude to constitute a
risk of electric shock to persons.

This symbol is intended to alert the
user to the presence of important
operating and maintenance (servicing)
instructions in the literature
accompanying the appliance.

The graphical symbols are at the bottom of the
unit.

WARNING

You are cautioned that any changes or
modifications not expressly approved in this
manual could void your authority to operate
this equipment.

INFORMATION

This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference in a residential installation. This
equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a
particular installation. If this equipment does cause
harmful interference to radio or television reception,
which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the
interference by one or more of the following
measures:

— Reorient or relocate the receiving

antenna.

— Increase the separation between the

equipment and receiver.

— Connect the equipment into an outlet

on a circuit different from that to
which the receiver is connected.

— Consult the dealer or an experienced

radio/TV technician for help.

Features

• Radio Controlled Clock Auto Adjust System.
• Dual alarm FM/AM PLL (phase locked loop)

synthesized clock radio.

• Triple time display – main display for the clock, and

two sub-displays for the alarms.

• Green backlight LCD with adjustable brightness.
• Date button to display the year, month and day.

• Easy preset digital tuning with 15 memory presets.
• D.S.T. (Daylight Saving Time) – Summer time

adjustment (one-hour skip function).

• Various types of alarms-radio, buzzer and 2

melodies.

• Extendable snooze – snooze time can be extended

from 10 to 60 minutes (maximum).

• Nap Timer allows you to take a short nap and wake

to buzzer without changing your alarm settings.

(You can select your nap time from 10 to 120
minutes)

Troubleshooting

Should any problem occur with the unit, make the
following simple checks to determine whether or not
servicing is required.
If the problem persists, consult your nearest Sony
dealer.

Unable to receive time signals

• Inappropriate location for setting up antenna.

Try moving the antenna to a different location. If
reception is still bad, wait for awhile because
reception may improve at a later time. See
“Improving the Reception.”

The clock does not show the correct time.

• Has an electrical power outage lasting more than 1

minutes occurred?

The radio or buzzer alarm does not sound at
the preset alarm time.

• Has the desired radio or buzzer alarm been

activated? (i.e. Is the display ALARM A or B turned
on?)

The radio alarm is activated but no sound
comes on at the preset alarm time.

• Has VOLUME been adjusted ?

Precautions

• Operate the unit only on 120 V AC, 60 Hz.

• To disconnect the power cord (mains lead), pull it

out by the plug, not the cord.

• Do not leave the unit in a location near a heat

source, such as a radiator or airduct, or in a place
subject to direct sunlight, excessive dust,
mechanical vibration, or shock.

• Allow adequate air circulation to prevent internal

heat build-up. Do not place the unit on a surface (a
rug, blanket, etc.) or near materials (a curtain) that
might block the ventilation holes.

• Should any solid object or liquid fall into the unit,

unplug the unit and have it checked by a qualified
personnel before operating it any further.

• To clean the casing, use a soft cloth dampened with

a mild detergent solution.

If you have any questions or problems
concerning your unit, please consult your
nearest Sony dealer.

Specifications

Time display

12-hour system

Frequency range

FM: 87.5–108 MHz
AM: 530–1 710 kHz

Channel steps

FM: 0.1 MHz (fixed)
AM: 10 kHz (fixed)

Speaker

Approx. 6.6 cm (2 

5

/

8

 in.) dia., 8 

Power output

200 mW (at 10% harmonic distortion)

Power requirements

120 V AC, 60 Hz

Dimensions

Approx. 173 

×

 57.2 

×

 133.5 mm (w/h/d)

(6 

7

/

8

 

×

 2 

3

/

8

 

×

 5 

3

/

8

 in.) incl. projecting parts and

controls

Mass

Approx. 630 g (1 lb. 6.2 oz.)

Design and specifications are subject to change
without notice.

Printed on 100% recycled paper using
VOC (Volatile Organic Compound)-
free vegetable oil based ink.

Lead-free solder is used for soldering.
Halogenated flame retardants are not
used in printed wiring boards.

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