Sony CFD-S50 CFD-S50W Merkblatt

You can set the unit to play tracks or files 
repeatedly or in random order while a disc is 
stopped.

Press MODE 



 repeatedly.

Each time you press the button, the indication 
changes as follows:

Normal play (None)





Single repeat (  1)



All repeat ( )



Selected folder play ( )*



Selected folder repeat play ( ,  )*



Shuffle play (SHUF)



Program play (PGM)



Program repeat play ( , PGM)

*  These functions are available only when playing 

MP3 files on an MP3 disc.

You can set the unit to repeatedly play CD-DA 
tracks on an audio CD, or MP3 files on a CD-R/
CD-RW disc in normal and program play modes.

1  Press CD 



 to turn on the CD function.

2  Proceed as follows.

A single track/
file

1  Press MODE 



 repeatedly 

until “  1” appears.

2  Press 



 or 



 



 to 

select a track/file that you 
want to repeat. When you 
want to specify a folder that 
contains MP3 files, press   
+ or 

 



 first to select a 

folder, and then press 



 

or 



 



 to select a file.

3  Press 



 



 to start Repeat 

Play.

All tracks/files

1  Press MODE 



 repeatedly 

until “ ” appears.

2  Press 



 



 to start Repeat 

Play.

A selected 
folder on an 
MP3 disc

1  Press MODE 



 repeatedly 

until “ ” and “ ” appear.

2  Select a folder by pressing 

 + or 

 



.

3  Press 



 



 to start Repeat 

Play.

Programmed 
tracks/files

1  Program tracks/files (see 

2  Press MODE 



 until “PGM” 

and “ ” appear on the 
display.

3  Press 



 



 to start Repeat 

Play.

Press 

 



 to stop playback, and then press 

MODE 



 repeatedly until “ ” (or “  1”) 

disappears from the display.

You can set the unit to play CD-DA tracks on an 
audio CD or MP3 files on a CD-R/CD-RW disc in 
random order.

1  Press CD 



 to turn on the CD function.

2  Press MODE 



 repeatedly until “SHUF” 

appears on the display.

3  Press  



 to start Shuffle Play.

Press 

 



 to stop playback, and then press 

MODE 



 repeatedly until “SHUF” disappears 

from the display.

During Shuffle Play, you cannot select the previous 

track/file by pressing 

 .

You can arrange the playing order of up to 25 
tracks/files on a disc.

1  Press CD 



 to turn on the CD function.

2  Press MODE 



 repeatedly until “PGM” 

appears on the display.

3  Press  or  



 to select a track/file, 

then press ENTER 



.

The track/file is programmed and the program 
step number appears.
(Example: programming CD-DA tracks)

Step number

4  Repeat step 3 to program additional 

tracks/files. 

You can check the number of programmed 
steps (tracks/files) by pressing DISPLAY 



 

repeatedly.

5  Press  



 to start Program Play.

The created program remains available until 
you open the CD compartment cover or turn 
off the power of the unit. To play the same 
program again, press 

 



.

If you try to program 26 tracks/files or more, “FULL” 

appears on the display.

Press 

 



 to stop playback, and then press 

MODE 



 repeatedly until “PGM” disappears from 

the display.

Stop playback, and then press 

 



. “noSTEP” 

appears and you can create a new program, 
following the procedure “Creating your own 
program (Program Play).”

You can store radio stations in the unit’s memory. 
You can preset up to 30 radio stations, 20 for FM 
and 10 for AM.

1  Press RADIO FM/AM 



 repeatedly to 

select a band.

2  Hold down AUTO PRESET 



 until “AUTO” 

flashes on the display.

3  Press ENTER 



 to store the station.

The stations are stored in memory from lower 
frequencies to higher ones.

You need to preset a station with a weak signal 
manually.

1  Press RADIO FM/AM 



 repeatedly to 

select a band.

2  Tune to the desired station.
3  Press MANUAL PRESET 



 until “FM-xx” 

or “AM-xx” flashes on the display.

(Example: FM)

4  Press PRESET + or  



 until the preset 

number for the station you want flashes 
on the display.

5  Press ENTER 



 to store the station.

If another station is already assigned to the 
selected preset number, that station is 
replaced by the new one.

1  Press RADIO FM/AM 



 repeatedly to 

select a band.

2  Press PRESET + or  



 to select a stored 

preset number for the desired radio 
station.

You can enjoy the sound from an optional 
component, such as a portable digital music 
player, through the speakers of this unit.
Be sure to turn off the power of each component 
before making any connections.
For details, refer to the instruction manual of the 
component to be connected.

Audio 
connection 
cable (not 
supplied)

To component
(e.g.,portable digital 
music player)

To AUDIO 
IN jack 



1  Connect the AUDIO IN jack 



 to the line 

output jack of the portable digital music 
player or other component using an 
audio connection cable (not supplied).

2  Turn the connected component on.
3  Press AUDIO IN 



 and start playing 

sound on the connected component.

The sound from the connected component is 
output from the speakers.
To connect the unit to a TV or video recorder/
player, use an extension cable (not supplied) 
with a stereo-mini plug on one end and two 
phono plugs (L/R) on the other end.

 If the AUDIO IN jack  is connected to the 

monaural output jack of a digital music player, 

sound may not be emitted through the right 

speaker of the unit.

 If the AUDIO IN jack  is connected to the line out 

jack of a digital music player, distortion may occur. 

If the sound is distorted, connect to the 

headphones jack instead.

 If the AUDIO IN jack  is connected to the 

headphones jack of a digital music player, 

increase the volume of the digital music player, 

and then adjust the volume of the unit.

 Make sure the AC power cord is connected to 

the wall outlet securely.

 Make sure the batteries are inserted correctly.

 This is not a malfunction. The unit enters 

standby mode automatically after about 
15 minutes if there is no operation or audio 
signal output. See “To use the power-
management function (European models 
only).”

 Make sure the appropriate function is selected 

for the music or sound source you want to 
listen to.

 Unplug the headphones when listening 

through speakers.

 Place the CD with the label side up.
 Clean the CD.
 Take out the CD and leave the CD 

compartment open for about an hour to dry 
moisture condensation.

 The CD-R/CD-RW is blank or unfinalized.
 There are no playable MP3 files on the disc.
 There is a problem with the quality of the 

CD-R/CD-RW, recording device or application 
software.

 Replace all the batteries with new ones if they 

are exhausted.

 Reduce the volume.
 Clean the CD, or replace it if the CD is badly 

damaged.

 Place the unit in a location free from vibrations.
 Clean the lens with a commercially available 

blower.

 The sound may drop out or noise may be 

heard when using a poor quality CD-R/CD-RW 
or if there is a problem with the recording 
device or application software.

 The following discs take a longer time to start 

playback.
 A disc recorded with a complicated tree 

structure.

 A disc that has many folders or non-MP3 

files.

 Replace all the batteries with new ones.
 Move the unit away from nearby TVs.
 For FM reception, extend the antenna to its full 

length, and reorient it for best FM reception. 
For AM reception, reorient the unit itself to find 
the best reception.

 If you are in a building, listen near a window.
 If a mobile phone is placed close to the unit, a 

loud noise may be heard from the unit. Keep 
the phone away from the unit.

 If you are listening to an FM program near a TV 

with an indoor antenna, move the unit away 
from the TV.

 Close the cassette compartment cover 

securely.

 



 Make sure that the overwrite protection tub 

has not been removed.

 Clean the surfaces of the pinch roller, play/

recording head and erase-head as shown 
below using a dry cotton swab. If the surfaces 
are still dirty, clean them using a cotton swab 
moistened with a commercially available 
cleaning fluid.

Lever*

Play/Recording 
head

Capstan

Erase-head

Pinch roller

*  Expose the erase-head by 

pressing the recording button (

 

) while holding down the lever 

with your finger.

 Demagnetize the heads using a commercially 

available tape head demagnetizer.

 Use a type I (normal) cassette tape. You cannot 

use the type IV (metal) tapes or type II (high 
position) tapes with this system. These types 
may cause sound distortion.

After trying the suggested remedies, if the 
problem persists, unplug the AC power cord or 
remove all the batteries. After all the indications 
on the display disappear, plug in the AC power 
cord again, or re-insert the batteries. If the 
problem persists, consult your nearest Sony 
dealer.

 Audio CDs on the market that conform to the 

CD-DA*

1

 standard.

 CD-R/CD-RW discs that contain audio tracks 

and conform to the CD-DA*

1

 standard.

 CD-R/CD-RW discs that contain MP3 files and 

are finalized*

2

 correctly.

*1

  CD-DA is the abbreviation for Compact Disc 

Digital Audio. It is a recording standard used for 

audio CDs.

*2

 Finalizing is the process to make the CD-R/

CD-RW discs playable on the consumer disc 

player products, and the finalizing can be 

enabled or disabled as optional settings during 

disc creation in most recording software.

 CD-R/CD-RW discs other than those recorded 

in audio CD format or formats conforming to 
ISO 9660 Level 1/Level 2 or Joliet

 CD-R/CD-RW discs of poor recording quality, 

CD-R/CD-RW discs with scratches or those are 
dirty, or CD-R/CD-RW discs recorded using an 
incompatible recording device

 CD-R/CD-RW discs that are unfinalized or 

finalized incorrectly

 CD-R/CD-RW discs that contain files created in 

audio formats other than MP3

 Before playing, clean the CD with 

a cleaning cloth. Wipe the CD 
from the center out. If there are 
scratches, dirt or fingerprints on 
the CD, a tracking error may occur.

 Do not use solvents such as 

benzine, thinner, commercially 
available cleaners or anti-static 
spray intended for vinyl LPs.

 Do not expose the CD to direct sunlight or heat 

sources such as hot air ducts, or leave it in a 
car parked in direct sunlight as there can be a 
considerable rise in temperature inside the car.

 Do not stick paper or a sticker on the CD, or 

scratch the surface of the CD.

 After playing, store the CD in its case.

 A DualDisc is a two sided disc product which 

mates DVD recorded material on one side with 
digital audio material on the other side. 
However, since the audio material side does 
not conform to the Compact Disc (CD) 
standard, playback on this product is not 
guaranteed.

 This product is designed to playback discs that 

conform to the Compact Disc (CD) standard. 
Recently, various music discs encoded with 
copyright protection technologies are 
marketed by some record companies. Please 
be aware that among those discs, there are 
some that do not conform to the CD standard 
and may not be playable by this product.

 Remove the overwrite protection tab from side 

A or B to prevent accidental recording. If you 
want to reuse the tape for recording, cover the 
broken tab using adhesive tape.

Side A

Tab for side B

Tab for side A

 The use of a cassette tape with more than 

90 minutes of play time is not recommended 
except for long, continuous recording or 
playback.

 As the laser beam used in the CD player 

section is harmful to eyes, do not attempt to 
disassemble the casing. Refer servicing to 
qualified personnel only.

 Should any solid object or liquid fall into the 

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

 Discs with non-standard shapes (e.g., heart, 

square, star) cannot be played on this unit. 
Attempting to do so may damage the unit. Do 
not use such discs.

 For AC operation, use the supplied AC power 

cord; do not use any other cord. 

 Unplug the unit from the wall outlet if it is not 

to be used for an extended period of time.

 When not using the batteries, remove them to 

avoid damage that can be caused by battery 
leakage or corrosion.

 Do not leave the unit in a location near heat 

sources, in a place subject to direct sunlight, 
excessive dust or mechanical shock, or in a car 
subject to the direct rays of the sun.

 Do not place the unit on an inclined or 

unstable surface.

 Do not place anything within 10 mm of the rear 

of the cabinet. The ventilation openings must 
be unobstructed for the unit to operate 
properly and prolong the life of its 
components.

 Since a strong magnet is used for the speakers, 

keep personal credit cards using magnetic 
coding or spring-wound watches away from 
the unit to prevent possible damage from the 
magnet.

 If the unit is brought directly from a cold to a 

warm location, or is placed in a very damp 
room, moisture may condense on the lens 
inside the CD player section. Should this occur, 
the unit will not operate properly. In this case, 
remove the CD and wait about an hour for the 
moisture to evaporate.

 Do not leave the CD compartment open to 

avoid dust and debris contamination.

 Clean the cabinet, panel and controls using a 

soft cloth slightly moistened with a mild 
detergent solution. Do not use any type of 
abrasive pad, scouring powder, or solvent, 
such as alcohol or benzine.

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

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 measurement at a 
distance of 200 mm from the objective lens 
surface on the optical pick-up block with 7 mm 
aperture.)

Number of channels

2

Frequency response

20 Hz 

 20,000 Hz +1/–2 dB

Wow and flutter

Below measurable limit

Supported audio format

MP3 (MPEG 1 Audio Layer-3)

Bit rates: 32 kbps 

 320 kbps, VBR

Sampling frequencies: 32/44.1/48 kHz

Radio section
Frequency range

European, Australian, Taiwan and Arabian 

models

FM: 87.5 MHz 

 108 MHz (50 kHz step)

AM: 531 kHz 

 1,602 kHz (9 kHz step)

Korean model

FM: 87.5 MHz 

 108 MHz (100 kHz step)

AM: 531 kHz 

 1,602 kHz (9 kHz step)

Philippines, Singapore, Malaysia and India 
models

FM: 87.5 MHz 

 108 MHz (100 kHz step)

87.5 MHz 

 108 MHz (50 kHz step)

AM: 530 kHz 

 1,610 kHz (10 kHz step)

531 kHz 

 1,602 kHz (9 kHz step)

Intermediate frequency

FM: 300 kHz
AM: 400 kHz

Antennas

FM: Telescopic antenna
AM: Built-in ferrite bar antenna

Tape deck section
Recording system

4-track 2-channel, stereo

Fast winding time

Approx. 150 s (sec.) with Sony cassette C-60

Frequency response

Type I (normal): 80 Hz – 10,000 Hz

Input
AUDIO IN

Stereo mini jack

 (headphones) stereo mini jack

For 16 



 

 32 



 impedance headphones

General
Speaker

Full range, 8 cm dia., 4 



, cone type (2)

Power output

1.7 W + 1.7 W (at 4 



, 10% harmonic distortion)

Power requirements

European and Australian models

230 V AC, 50 Hz (AC power supply)
9 V DC (6 R14 (size C) batteries)

Taiwan model

120 V AC, 60 Hz (AC power supply)
9 V DC (6 R14 (size C) batteries)

Philippines, Singapore, Malaysia and India 
models

230 V 

 240 V AC, 50 Hz (AC power supply)

9 V DC (6 R14 (size C) batteries)

Korean model

220 V AC, 60 Hz (AC power supply)
9 V DC (6 R14 (size C) batteries)

Arabian model

220 V 

 240 V AC, 50/60 Hz (AC power 

supply)

9 V DC (6 R14 (size C) batteries)

Power consumption

AC 12 W (approx. 0.8 W at the power saving 
mode)

Battery Life*

1, 

*

2

Playback of CD

Approx. 8 hours (at a volume level of around 
24)

Recording FM programs

Approx. 19 hours

Playback of tape

Approx. 13 hours (at a volume level of around 
24)

*

1

 Measured by Sony standards. The actual 

battery life may vary depending on the 

circumstances of the unit or operating 

conditions.

*

2

 When using Sony alkaline batteries

Dimensions

Approx. 320 mm × 139 mm × 219 mm (W/H/D) 
(incl. projecting parts)

Mass

Approx. 2.0 kg
Approx. 2.3 kg (including the weight of a disc, 
batteries and a cassette tape)

Supplied accessories
AC power cord (1)

Design and specifications are subject to change 
without notice.