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Sony ICF-CDK50 Operating Instructions

Fm/am cd kitchen clock radio
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3-287-075-11 (1)
FM/AM CD Kitchen
Clock Radio
Operating Instructions
Owner's Record
The model number and the serial number are located on the top.
Record the serial number in the space provided below. Refer to them whenever you call upon
your Sony dealer regarding this product.
Model No. ICF-CDK50
Serial No.
For customers who purchased this product in the USA
Please register this product on line at .
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.
© 2007 Sony Corporation
Printed in China
You are cautioned that any changes or modifications
not expressly approved in this manual could void your
To reduce the risk of fire or electric shock, do not
authority to operate this equipment.
expose this apparatus to rain or moisture.
To reduce the risk of electrical shock, do not
For customers in the USA
open the cabinet. Refer servicing to qualified
personnel only.
Please register this product on line at
To reduce the risk of fire, do not cover the ventilation
of the apparatus with newspapers, tablecloths,
Proper registration will enable us to send you
curtains, etc. And do not place lighted candles on the
periodic mailings about new product, services and
other important announcements. Registering your
product will also allow us to contact you in the
The apparatus shall not be exposed to dripping or
unlikely event that the product needs adjustment
splashing and no objects filled with liquids, such as
or modification. Thank you.
vases, shall be placed on the apparatus.
As the main plug is used to disconnect the unit from
Important Safety Instructions
the mains, connect the unit to an easily accessible AC
Read these instructions.
Keep these instructions.
Should you notice an abnormality in the unit,
disconnect the main plug from the AC outlet
Heed all warnings.
Follow all instructions.
Do not use this apparatus near water.
Do not install the appliance in a confined space, such
as a bookcase or built-in cabinet.
Clean only with dry cloth.
Do not block any ventilation openings.
Notes on DualDiscs
Install in accordance with the manufacturer's
A DualDisc is a two sided disc product which mates
Do not install near any heat sources such
DVD recorded material on one side with digital
as radiators, heat registers, stoves, or other
audio material on the other side. However, since the
apparatus (including amplifiers) that produce
audio material side does not conform to the Compact
Disc (CD) standard, playback on this product is not
Do not defeat the safety purpose of the polarized
or grounding-type plug. A polarized plug has
two blades with one wider than the other. A
Music discs encoded with
grounding type plug has two blades and a
copyright protection technologies
third grounding prong. The wide blade or the
third prong are provided for your safety. If the
This product is designed to playback discs that
provided plug does not fit into your outlet,
conform to the Compact Disc (CD) standard.
Recently, various music discs encoded with copyright
consult an electrician for replacement of the
protection technologies are marketed by some
obsolete outlet.
record companies. Please be aware that among those
10) Protect the power cord from being walked on
discs, there are some that do not conform to the CD
or pinched particularly at plugs, convenience
standard and may not be playable by this product.
receptacles, and the point where they exit from
the apparatus.
11) Only use attachments/accessories specified by the
The use of optical instruments with this product will
increase eye hazard.
12) Use only with the cart, stand, tripod, bracket, or
Use of controls or adjustments or performance of
table specified by the manufacturer, or sold with
procedures other than those specified herein may
the apparatus. When a cart is used, use caution
result in hazardous radiation exposure.
when moving the cart/apparatus combination to
To reduce the risk of fire, do not place any heating or
avoid injury from tip-over.
cooking apparatus beneath this unit.
13) Unplug this apparatus during lightning storms or
when unused for long periods of time.
14) Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has
been damaged in any way, such as power-supply
cord or plug is damaged, liquid has been spilled
or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture,
does not operate normally, or has been dropped.
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.
 Use the power source specified in the
"Specifications" to operate the unit.
This symbol is intended to alert the user to
 The nameplate indicating operating voltage, power
the presence of important operating and
consumption, etc. is located on the top exterior.
maintenance (servicing) instructions in the
literature accompanying the appliance.
 To disconnect the power cord (mains lead), pull it
out by the plug, not the cord.
The graphical symbols are at the top of the enclosure.
 Do not leave the unit in a location near a heat source
such as a radiator or air duct, or in a place subject to
Class II equipment symbol
direct sunlight, excessive dust, mechanical vibration,
This symbol indicates that the unit has a
or shock.
double insulation system.
 Allow adequate air circulation to prevent internal
heat build-up. Do not place the unit on a surface
(a rug, a blanket, etc.) or near material that might
block the ventilation holes such as a curtain.
This equipment has been tested and found to
 Should any solid object or liquid fall into the unit,
comply with the limits for a Class B digital device,
unplug the unit and have it checked by a qualified
pursuant to Part 15 of the FCC Rules. These limits
personnel before operating it any further.
are designed to provide reasonable protection against
harmful interference in a residential installation.
 To clean the casing, use a soft cloth dampened with
a mild detergent solution.
This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
 The unit is not disconnected from the AC power
accordance with the instructions, may cause harmful
source (mains) as long as it is connected to the wall
interference to radio communications. However, there
outlet, even if the unit itself has been turned off.
is no guarantee that interference will not occur in a
particular installation. If this equipment does cause
If you have any questions or problems
harmful interference to radio or television reception,
concerning your unit, please consult your nearest
which can be determined by turning the equipment
Sony dealer.
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.
 Danger of explosion if battery is incorrectly
replaced. Replace only with the same or equivalent
 Replace the battery for the clock backup with a Sony
CR2032 lithium battery. Use of another battery may
present a risk of fire or explosion.
 Battery may explode if mistreated. Do not recharge,
disassemble or dispose of in fire.
 Do not expose the batteries (battery pack or batteries
installed) to excessive heat such as sunshine, fire or
the like for a long time.
 Dispose of used battery promptly. Keep away from
Should the problem persists after you have made the
following checks, consult your nearest Sony dealer.
The clock does not show the correct time.
 Has an electrical power outage occurred?
The CD player does not operate.
 Did you close the disc tray?
 Did you place the disc correctly?
The disc should be placed with the labeled side up.
 Dusty or defective disc—Clean the disc with an
optional cleaning cloth. Wipe the disc from the
center out.
 Take out the CD and leave the CD compartment
open for about an hour to allow condensation to
Sporadic loss of sound during CD operation.
 Dusty or defective disc—Clean or replace the disc.
 Excessively high volume—Reduce the volume.
 Strong vibration.
There is a noise from the speakers.
 You may hear a noise when you operate the remote
during an AM broadcast.
The remote does not work.
 Remove any obstacles between the remote and the
remote sensor on the unit, and move the unit away
from fluorescent lights.
 Point the remote at the system's sensor.
 Move the remote closer to the system.
With 4-ohm loads, both channels driven from
100 – 10 000 Hz; rated 1.5 W per channel-minimum
RMS power, with no more than 10% total harmonic
distortion in AC operation.
CD player section
System: Compact disc digital audio system
Laser diode properties:
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance of
about 200 mm from the objective lens surface on
the optical pick-up block with 7 mm aperture.)
Number of channels: 2
Frequency response: 20 – 20 000 Hz
Wow and flutter: Below measurable limit
Radio section
Frequency range:
FM: 87.5 – 108 MHz
AM: 530 – 1 710 kHz
FM: AC power cord
AM: Built-in ferrite bar antenna
Time display: 12-hour system
Speaker: 66 mm (2
inches) diam., 4 Ω, cone type (2)
Built-in audio cable with stereo miniplug (1):
minimum input level 245 mV, impedance 47 kΩ
Power outputs:
1.9 W + 1.9 W (at 4 Ω, 10 % harmonic distortion)
Power requirements: 120 V AC, 60 Hz
For Power backup: 3 V DC, one CR2032 battery
Approx. 350  85  300 mm (w/h/d)
(Approx. 13
 3
 11
incl. projecting parts and controls
Mass: Approx. 2.7 kg (6 lb 1 oz)
Supplied accessories:
mounting screws (M5 screw) (4)
template (1)
spacers (4)
cord clamp (1)
remote commander (1)
digital music player holder (1)
Design and specifications are subject to change
without notice.
AC power cord
Cord clamp
L (Low)
Mounting screw
Decide on the installation location and
Installing the unit under a
orientation of the unit based on the best
reception that is possible (see "Improving
the reception").
(See Fig. )
Mark the position of the 4 holes by using
the supplied template. Use a drill to make
the holes (size 6.5 mm diam.,
Fig. -)
Please read the following before
installing the unit
When the cabinet door overhangs the shelf
and obstructs the unit, you can adjust the
 Due to its heavy weight, the unit should be installed
with great care.
unit/shelf height.
 Installation of the unit requires two persons.
First set the L mark to the dot which
 Use tools carefully while installing of the unit.
becomes the lowest position, then you
can adjust the height in 4 steps (HL)
 Be sure that the cabinet that is used is sturdy enough
to support the weight of the unit.
by turning the spacer counterclockwise
 To reduce the risk of fire, do not place any heating or
(See Fig. -). The unit can be installed
cooking appliance beneath this unit.
without the spacer.
 Install the unit so that its AC power cord can be
Install the unit with the supplied mounting
connected directly to a wall outlet. Do not use a
screws. (See Fig. -)
converter or extension cord.
 Be sure that the AC power cord has no slack during
use of the unit, since the cord acts as an FM wire
If you lose the supplied screws, please purchase #10 or
antenna. If the AC power cord has some slack, wind
M5 screws.
it around the cord hook so as to eliminate the slack.
 The unit has a built-in ferrite bar antenna for AM
radio reception. Confirm that AM reception is
acceptable before finally attaching the unit.
 Install the unit as far as possible from sources of
noise (for example, a refrigerator, microwave oven or
fluorescent lamp).
 This unit is not waterproof. Install it where it will
not be exposed to splashing by water, as this may
damage the unit.
 To reduce the risk of fire or electric shock, do not
touch the AC power cord with wet hands.
 Never place objects between the top of the unit and
the bottom of the cabinet. This could cause the unit
to fall.
 Make sure the unit's four screws are fastened tightly.
 After installing the unit, do not pull down on it or
hang something heavy on it.
inch). (See



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  Summary of Contents for Sony ICF-CDK50

  • Page 1  Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.  Replace the battery for the clock backup with a Sony CR2032 lithium battery. Use of another battery may present a risk of fire or explosion.
  • Page 2: Backup Battery

    If “AM 12:00” flashes in the display when the unit is Push connected to AC outlet for the first time, the battery may be weak. In this case, consult your Sony dealer. Replacing the battery Keep the AC plug connected to the AC...