Sony DREAM MACHINE ICF-C793 Operating Instructions

FM/AM PLL
Synthesized Clock
Radio
Operating Instructions
ICF-C793 DREAM MACHINE is a trademark of Sony Corporation.
Sony Corporation © 1999 Printed in Malaysia
WARRANTY
4-557-145-01(T1)
WARNING
3-865-471-23 (1)
To prevent fire or shock
hazard, do not expose
the unit to rain or
moisture.
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.
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.
Before You Begin

IMPORTANT SAFEGUARDS

Thank you for choosing the Sony Dream
For your protection, please read these safety instructions completely before operating the appliance,
Machine. The Dream Machine will give you
and keep this manual for future reference.
many hours of reliable service and listening Carefully observe all warnings, precautions and instructions on the appliance and in the operating
instructions, and adhere to them.
pleasure.
Before operating your unit, please read these INSTALLATION
instructions thoroughly and retain them for
Water and Moisture
future reference.
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
Features
sunlight.
Ventilation
• Dual alarm FM/AM (ICF-C793) PLL (phase 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
locked loop) synthesized clock radio.
blocked or covered.
• Triple display—main display, and two sub-
-Never cover the slots and openings with a cloth or other materials.
displays for the alarms.
-Never block the slots and openings by placing the appliance on a bed, sofa, rug or other similar
• LCD with backlight, and brightness adjustment
surface.
for the backlight.
-Never place the appliance in a confined space, such as a bookcase, or built-in cabinet, unless proper
• Date button to display the year, month and ventilation is provided.
date. Accessories
Do not place the appliance on an unstable cart, stand, tripod, bracket, or table. The appliance may fall,
• Easy radio preset—with the pressing of a
causing serious injury to a child or an adult, and serious damage to the appliance. Use only a cart,
button.
stand, tripod, bracket, or table recommended by Sony.
• D.S.T. (Daylight Saving Time)—Summer time
-An appliance and cart combination should be moved with care. Quick stops, excessive force, and
adjustment (one-hour skip function).
uneven surfaces may cause the appliance and cart combination to overturn.
• 5 random station presets.
Wall or Ceiling Mounting
• Radio and buzzer alarms, as well as a snooze
If your appliance can be mounted to a wall or ceiling, mount it only as recommended by Sony.
function.
USE
• Self-powered backup that enables the current
time and memory to be stored for about 30 Power Source
This appliance should be operated only from the type of power source indicated on the marking label.
minutes without batteries when the power
If you are not sure of the type of electrical power supplied to your home, consult your dealer or local
supply is interrupted.
power company. For those appliances designed to operate from battery power, or other sources, refer
to the operating instructions.
Grounding or Polarization
Precautions
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:
• Operate the unit only on 120 V AC, 60 Hz.
• Disconnect the cord by grasping the plug. -For the appliance with a polarized AC power cord plug:
Never pull it by the cord. 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
• Do not leave the unit in a location near a heat
your electrician to have a suitable outlet installed. Do not defeat the safety purpose of the polarized
source such as a radiator or airduct, or in a
plug by forcing it in.
place subject to direct sunlight, excessive dust,
-For the appliance with a three-wire grounding type AC plug:
mechanical vibration, or shock.
This plug will only fit into a grounding-type power outlet. This is a safety feature. If you are unable to
• Do not place the unit on surfaces (rugs,
insert the plug into the outlet, contact your electrician to have a suitable outlet installed. Do not defeat
blankets, etc.) or near materials (curtains,
the safety purpose of the grounding plug.
draperies) that block the ventilation holes.
Overloading
• Should any liquid or solid object fall into the
Do not overload wall outlets, extension cords or convenience receptacles beyond their capacity, since
unit, unplug the unit and have it checked by
this can result in fire or electric shock.
qualified personnel before operating it further.
When not in use
• When the casing becomes soiled, clean it with a
Unplug the power cord of the appliance from the outlet when left unused for a long period of time.
soft cloth dampened with a mild detergent
To disconnect the cord, pull it out by grasping the plug. Never pull the plug out by the cord.
solution. Never use abrasive cleaners or
Power-Cord Protection
chemical solvents, as they may mar the casing.
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
If you have any questions, please consult your
from the appliance.
nearest Sony dealer.
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.
Specifications
Object and Liquid Entry
Never push objects of any kind into the appliance through openings as they may touch dangerous
Time display
voltage points or short out parts that could result in a fire or electric shock. Never spill liquid of any
12-hour system
kind on the appliance.
Frequency range
Cleaning
FM: 87.5–108 MHz
Unplug the appliance from the wall outlet before cleaning or polishing it. Do not use liquid cleaners
AM: 530–1,710 kHz
or aerosol cleaners. Use a cloth lightly dampened with water for cleaning the exterior of the appliance.
Channel steps
Clean the appliance only as recommended by Sony.
FM: 0.1 MHz (fixed)
Attachments
AM: 10 kHz (fixed)
Do not use attachments not recommended by Sony, as they may cause hazards.
Speaker
ANTENNAS
Approx. 6.6 cm (2 5 / in) dia.
8
Power output Outdoor Antenna Grounding
150 mW (at 10% harmonic distortion) If an outdoor antenna or cable system is installed, follow the precautions below.
Power requirements
An outdoor antenna system should not be located in the vicinity of overhead power lines or other
120 V AC, 60 Hz
electric light or power circuits, or where it can come in contact with such power lines or circuits.
Dimensions WHEN INSTALLING AN OUTDOOR ANTENNA SYSTEM, EXTREME CARE SHOULD BE TAKEN
TO KEEP FROM CONTACTING SUCH POWER LINES OR CIRCUITS AS CONTACT WITH THEM
Approx. 113 x 147.5 x 104.5 mm (w/h/d)
IS ALMOST INVARIABLY FATAL.
(4 1 / x 5 7 / x 4 1 / in) incl. projecting
2 8 8
Be sure the antenna system is grounded so as to provide some protection against voltage surges and
parts and controls
built-up static charges. Section 810 of the National Electrical Code provides information with respect
Mass
to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an
Approx. 730 g (1 lb 10 oz)
antenna discharge unit, size of grounding conductors, location of antenna-discharge unit, connection
to grounding electrodes, and requirements for the grounding electrode.
Design and specifications are subject to change Antenna Grounding According to the National
without notice.
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 Lead-in Wire
Ground
Antenna Discharge Unit
Clamps
(NEC Section 810-20)
Grounding Conductors
Electric Service
(NEC Section 810-20)
Equipment
NEC-NATIONAL
Ground Clamps
ELECTRICAL CODE
Power Service Grounding Electrode System
(NEC Art 250 Part H)