Sony CFDS50 Manual

Page of 2
4-474-842-
13(1)
Personal Audio System
Operating Instructions
©2013 Sony Corporation     Printed in China
CFD-S50
Rear
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.
The following FCC/IC 
statement applies only to the 
version of this model 
manufactured for sale in the 
U.S.A. and Canada. Other 
versions may not comply with 
FCC/IC technical regulations.
NOTE:
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.
CAUTION
You are cautioned that any changes or 
modifications not expressly approved in this 
manual could void your authority to operate this 
equipment.
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.
This graphical symbol is located on the bottom 
of the unit.
Licence and Trademark Notice
 MPEG Layer-3 audio coding technology and 
patents licensed from Fraunhofer IIS and 
Thomson.
Basic Operations
Before using the unit
To turn the power on or off
Press POWER 
. You can also turn on the power 
of this unit using the direct power-on function 
(below).
In this manual, operations are mainly explained 
using the direct power-on function.
To use the direct power-on function
Press CD 
, TAPE 
, RADIO FM/AM 
 or AUDIO 
IN 
 while the unit is turned off. The power 
turns on with the relevant function selected.
To adjust the volume
Press VOLUME + or 
 
.
The volume level of this unit is adjustable in 
steps from 0 to 31.
To listen through headphones
Connect headphones to the 
 (headphones) jack 
.
To reinforce the bass
Press MEGA BASS 
.
“MEGA BASS” lights up on the display.
To return to normal sound, press the button 
again.
Playing a music disc
You can play the following types of discs with 
this unit.
 Audio CDs on which CD-DA tracks are recorded 
in CD-DA disc format
 CD-R/CD-RW discs on which CD-DA tracks are 
recorded in CD-DA disc format
 CD-R/CD-RW discs on which MP3 audio files 
are recorded in ISO 9660 Level 1/Level 2 or 
Joliet
1  Press CD 
 to turn on the CD function.
2  Press PUSH OPEN/CLOSE  
, place a 
disc in the CD compartment and then 
close the compartment cover.
Label side up
The disc is loaded and the disc information 
appears on the display. The information 
displayed varies depending on the disc type 
(audio CD/MP3 disc).
(Example: when an audio CD is loaded)
Total playing time
(Example: when an MP3 disc is loaded)
Total 
number of 
folders
Total 
number of 
tracks
3  Press  
 to start playback.
(Example: an audio CD)
Playing time*
1
(Example: an MP3 disc)
Playing time*
2
*
3
*
1
 Each time you press DISPLAY , the playback 
screen switches between showing the playing 
time and showing the current track number.
*
2
 If the playing time is longer than 100 minutes, 
“--:--” appears on the display.
*
3
 Each time you press DISPLAY , the playback 
screen switches between showing the playing 
time and showing the current track number 
and the number of the folder containing that 
track.
Listening to the radio
1  Press RADIO FM/AM 
 repeatedly to 
select the band “FM” or “AM.”
2  Hold down TUNE + or  
 until the 
frequency digits begin to change on the 
display.
The unit automatically scans the radio 
frequencies and stops when it finds a clear 
station. When an FM stereo broadcast is 
received, “ST” lights up on the display.
If you cannot tune to a station using 
automatic tuning mode, press TUNE + or 
 
 
repeatedly to change the frequency step by 
step.
Tip
If the stereo FM reception is noisy, press MODE  
repeatedly until “Mono” appears on the display. You 
will lose the stereo effect, but the broadcast will 
improve.
To improve radio reception
Reorient the antenna to improve FM reception.
Reorient the unit itself to improve AM reception.
Playing a tape
Check the following items before starting 
operation.
 Use a type I (normal) tape only. You cannot 
use any other types of tape with this 
system.
 If there is tape slack, rewind 
the slack using a pencil to 
avoid damaging the tape or 
the unit.
1  Press TAPE 
 to turn on the tape 
function.
2  Press  
 (
), insert a cassette tape 
into the cassette tape compartment (
and then close the compartment cover.
3  Press  
 to start playback.
Other operations
To
Do this
Stop playback
Press 

 
.
Pause playback Press 
 
. To resume 
playback, press the button 
again.
Fast-forward or 
rewind
Press 
 or 
 
.
Eject the 
cassette
Press 

 
.
Note
Do not turn off the power during the tape playback. 
Doing so may cause malfunction. Make sure to stop 
playback before turning off the power.
Other operations
To
Do this
Pause playback Press 
 
. To return to 
playback, press the button 
again.
Stop playback
Press 
 
. When you press 
 
 after playback is 
stopped, playback starts from 
the beginning of the track/
file you were last playing 
(Resume Play).
Cancel Resume 
Play
Press 
 
 twice. When you 
press 
 
 after you cancel 
Resume Play, playback starts 
from the beginning of the 
first track/file.
Select a folder 
on an MP3 disc
Press   + or 
 
.
Select a track/
file
Press 
 or 
 
. You can 
skip tracks/files one by one.
Find a point in a 
track/file
Hold down 
 or 
 
 
during playback, and release 
the button at the desired 
point. When locating a point 
while paused, press 
 
 to 
start playback after the 
desired point is found.
Tip
Resume Play is cancelled if you open the CD 
compartment.
Example of folder structure and 
playing order
The playing order of the folders and files is as 
follows:
Folder
MP3 file
Notes on MP3 discs
 When a disc is loaded, the unit reads all the files 
on that disc. During this time, “READ” is blinking. If 
there are many folders or non-MP3 files on the 
disc, it may take a long time for play to begin or 
for the next MP3 file to start to play.
 We recommend that non-MP3 files or unnecessary 
folders are excluded when creating MP3 discs.
 During playback, folders that contain no MP3 files 
are skipped.
 This system can only play MP3 files that have a file 
extension of “.mp3”.
  Note that even if the file name has the correct file 
extension but the actual file was created in a 
different audio format, this unit may produce 
noise or may malfunction.
 MP3 PRO format is not supported.
 This unit cannot play audio files on a disc in the 
following cases:
 When the total number of audio files exceeds 
413.
 When the total number of folders on a single 
disc exceeds 99.
 When the directory level (folder depths) exceeds 
9 (including the “ROOT” folder).
To change play modes
Press MODE 
 repeatedly while the disc is 
stopped.
For details, see “Selecting play mode.
WARNING
To reduce the risk of fire or electric shock, do 
not expose this apparatus to rain or moisture.
To reduce the risk of fire or electric shock, do not 
expose this apparatus to dripping or splashing, 
and do not place objects filled with liquids, such 
as vases, on the apparatus.
As the main plug is used to disconnect the unit 
from the mains, connect the unit to an easily 
accessible AC outlet. Should you notice an 
abnormality in the unit, disconnect the main plug 
from the AC outlet immediately.
The unit is not disconnected from the AC power 
source (mains) as long as it is connected to the 
wall outlet, even if the unit itself has been turned 
off.
Do not install the appliance in a confined space, 
such as a bookcase or built-in cabinet.
Excessive sound pressure from earphones and 
headphones can cause hearing loss.
Do not expose the batteries (battery pack or 
batteries installed) to excessive heat such as 
sunshine, fire or the like for a long time.
The nameplate and important information 
concerning safety are located on the bottom 
exterior.
CAUTION
The use of optical instruments with this product 
will increase eye hazard.
Owner’s Record
The model number is located on the bottom of 
the unit, and the serial number is located inside 
the battery compartment of the unit. Record 
these numbers in the space provided below. 
Refer to them whenever you call upon your Sony 
dealer regarding this product.
Model No.  CFD-S50                      
Serial No.                                         
Important Safety Instructions
1)  Read these instructions.
2)  Keep these instructions.
3)  Heed all warnings.
4)  Follow all instructions.
5)  Do not use this apparatus near water.
6)  Clean only with dry cloth.
7)  Do not block any ventilation openings. Install 
in accordance with the manufacturer’s 
instructions.
8)  Do not install near any heat sources such as 
radiators, heat registers, stoves, or other 
apparatus (including amplifiers) that produce 
heat.
9)  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 grounding type plug has two blades 
and a third grounding prong. The wide blade 
or the third prong are provided for your 
safety. If the provided plug does not fit into 
your outlet, consult an electrician for 
replacement of the obsolete outlet.
10) Protect the power cord from being walked on 
or pinched particularly at plugs, convenience 
receptacles, and the point where they exit 
from the apparatus.
11)  Only use attachments/accessories specified 
by the manufacturer.
12) Use only with the cart, stand, tripod, 
bracket, or table specified by the 
manufacturer, or sold with the 
apparatus. When a cart is used, use 
caution when moving the cart/
apparatus combination to avoid 
injury from tip-over.
Power Sources
Connect the AC power cord 
, or insert six R14 (size C) batteries (not supplied) into the battery 
compartment 
.
Use alkaline batteries with this unit. The use of manganese batteries 
is not recommended, since this type of battery has an extremely short 
usage time.
To a wall outlet
AC power cord (supplied)
Bottom
To AC IN jack
Notes
 In standby mode with the AC power cord connected, “STANDBY” appears on the display (Canadian model only).
 Replace the batteries when the OPR/BATT indicator  dims, or when the unit becomes inoperable. Replace all 
of the batteries with new ones. Before you replace the batteries, be sure to remove any CD or tape and 
disconnect any optional component from the unit.
 To use the unit on batteries, disconnect the AC power cord from the unit and the wall outlet.
  POWER button
  Function buttons
 
RADIO FM/AM–AUTO 
PRESET button
 
TAPE button
 
CD button
 
AUDIO IN button
 TUNE/  (folder) + button
 TUNE/  (folder) 
 button
  CD compartment cover
  Tape operation buttons
 
 (pause) button
 
 (stop/open) button
 
 (fast forward) button
 
 (rewind) button
 
 (play) button*
 
 (record) button
  PUSH OPEN/CLOSE 
   (go backward)/PRESET 
 button
 
 (go forward)/PRESET + 
button
 
 (play/pause)/MANUAL 
PRESET button*
 
 (stop) button
 VOLUME  button
 
VOLUME + button*
  MEGA BASS button
  DISPLAY/ENTER button
  Cassette tape compartment 
cover
  OPR/BATT indicator
  MODE button
  AC IN jack
   (headphones) jack
  AUDIO IN jack
*
 
 , VOLUME +  and   
have a tactile dot.
Recording on a tape
Check the following items before starting 
operation.
 Use a type I (normal) tape only. You cannot 
use any other types of tape with this 
system.
 Make sure that the overwrite protection tab 
has not been removed. If the tab has been 
removed, cover the broken tab using 
adhesive tape.
1  Prepare the source you want to record.
  To record CD-DA tracks or MP3 files 
on a disc
Press CD 
 and place a disc in the CD 
compartment. Make sure not to start playback. 
See “Playing a music disc.
 To record a radio program
Press RADIO FM/AM 
 repeatedly to select a 
band and tune to the desired station. See 
“Listening to the radio.
  To record sound from a connected 
optional component
Press AUDIO IN 
 and connect an optional 
component, and then start playback.
2  Press  
 (
), insert a cassette tape 
into the cassette tape compartment (
and then close the compartment cover.
3  Press  
 to start recording (the play 
button 
 
 will depress automatically 
at the same time).
Tips
 Adjusting the volume or the audio emphasis will 
not affect the recording level.
 If the AM program makes whistling sound after 
you have press 
  in step 3, press MODE  
repeatedly to select the position of ISS 
(Interference Suppress Switch) that may decreases 
the noise.
 Use AC power as the power source for recording 
for best recording results.
Other operations
To
Do this
Stop recording
Press 

 
.
Pause 
recording
Press 
 
. To resume 
recording, press the button 
again.
To record from partway through the 
current CD-DA track or MP3 file
Press 
 
 to pause playback where you want 
to start recording, then press 
 
.
To record favorite CD-DA tracks or MP3 
files on a disc
Create a program (see “Creating your own 
program (Program Play)”), then press 
 
 to 
start recording.
To erase recorded cassette tapes
To erase a cassette tape, you need to record 
silence over the previous recording.
1  Press TAPE 
 to turn on the tape 
function.
2  Insert a recorded tape into the cassette 
tape compartment.
3  Press 
 
.
Erasing process starts, and previous recording 
is overwritten with silent data.