Sony ZS-PS20CP Leaflet

ZS-PS20CP.GB.3-878-117-11(1)

This symbol on the battery or on the packaging indicates 

that the battery provided with this product shall not be 

treated as household waste. By ensuring these batteries 

are disposed of correctly, you will help prevent potentially 

negative consequences for the environment and human 

health which could otherwise be caused by inappropriate 

waste handling of the battery. The recycling of the 

materials will help to conserve natural resources.

In case of products that for safety, performance or data 

integrity reasons require a permanent connection with an 

incorporated battery, this battery should be replaced by 

qualified service staff only.

To ensure that the battery will be treated properly, hand 

over the product at end-of-life to the applicable collection 

point for the recycling of electrical and electronic 

equipment.

For all other batteries, please view the section on how 

to remove the battery from the product safely. Hand the 

battery over to the applicable collection point for the 

recycling of waste batteries.

For more detailed information about recycling of this 

product or battery, please contact your local Civic Office, 

your household waste disposal service or the shop where 

you purchased the product.

The manufacturer of this product is Sony Corporation,  

1-7-1 Konan, Minato-ku, Tokyo, Japan.

The Authorized Representative for EMC and product 

safety is Sony Deutschland GmbH, Hedelfinger Strasse 

61, 70327 Stuttgart, Germany.  For any service or 

guarantee matters please refer to the addresses given in 

separate service or guarantee documents.

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.

To reduce the risk of fire, do not cover the ventilation of 

the apparatus with newspapers, tablecloths, curtains, etc. 

And do not place lighted candles on the apparatus.
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.
Do not install the appliance in a confined space, such as a 

bookcase or built-in cabinet.
Do not expose the batteries (battery pack or batteries 

installed) to excessive heat such as sunshine, fire or the 

like for a long time.

3-878-117-11(1)

ZS-PS20CP

Operating Instructions

©2008 Sony Corporation     

Printed in China

Excessive sound pressure from earphones and 

headphones can cause hearing loss.

MPEG Layer-3 audio coding technology and patents 

licensed from Fraunhofer IIS and Thomson.

This symbol on the product or on its packaging indicates 

that this product shall not be treated as household 

waste. Instead it shall be handed over to the applicable 

collection point for the recycling of electrical and 

electronic equipment. By ensuring this product is 

disposed of correctly, you will help prevent potential 

negative consequences for the environment and human 

health, which could otherwise be caused by inappropriate 

waste handling of this product. The recycling of materials 

will help to conserve natural resources. For more detailed 

information about recycling of this product, please 

contact your local Civic Office, your household waste 

disposal service or the shop where you purchased the 

product.

Applicable accessories: Remote control



 Playback starts from the track/MP3/WMA file you last stopped 

playing (Resume play). During stop, the track/MP3/WMA file 

number to be played is displayed.



 To cancel resume play (to start play from the beginning of the first 

track/MP3/WMA file), press   or open the CD compartment in 

stop mode.

You cannot locate a specific track/MP3/WMA file if “SHUF” or 

“PGM” is lit in the display. Turn off the indication by pressing MODE 

.

The playing order of folders and files is as follows:

Folder
MP3/WMA file



 When a disc is inserted, the unit reads all the files on that disc. 

During this time, “READING” is displayed. If there are many folders 

or non-MP3/WMA files on the disc, it may take a long time for play 

to begin or for the next MP3/WMA file to start play. 

Do not save unnecessary folders or files other than MP3/WMA ones 

on a disc to be used for MP3/WMA listening.



 A folder that does not include an MP3/WMA file is skipped.



 Maximum number of files: 511



 Maximum number of folders: 150 

Maximum directory steps: 8



 Folder names and file names can be displayed with up to 32 

characters.



 The characters A - Z, a - z, 0 - 9, and _ can be displayed on this unit. 

Other characters are displayed as “_”.



 This unit conforms to Version 1.1 of the ID3 tag format. If the file 

has the ID3 tag information, “song title”, “artist name”, and “album 

name” can be displayed.



 When naming, be sure to add the file extension “.mp3” or “.wma” to 

the file name.



 If you put the extension “.mp3” or “.wma” to a file other than an 

MP3/WMA file, the unit cannot recognize the file properly and will 

generate random noise that could damage your speakers.



 The file name does not correspond to the ID3 tag.



 If an MP3/WMA disc that contains over 511 files is played, the disc 

may not be played as shown in the illustration.

Press RADIO  on the unit (BAND  on the 

remote) repeatedly.
Each time you press the button, the indication changes 

as follows:

“FM”  “AM”.

Hold down TUNE + or –  until the frequency digits 

begin to change in the display.
The unit automatically scans the radio frequencies and 

stops when it finds a clear station.

If you cannot tune in a station, press TUNE + or –  

repeatedly to change the frequency step by step.

When an FM stereo broadcast is received, “ST” 

appears.

If the FM broadcast is noisy, press MODE  until “MONO” appears 

in the display and the radio will play in monaural.

If you need to change the AM tuning interval, do the 

following:

Press RADIO  on the unit until “AM” is displayed.

Press DISPLAY/ENTER  on the unit for 2 seconds.

Press RADIO  on the unit for 2 seconds.
“9k STEP” or “10k STEP” flashes.

Press PRESET + or –  on the unit to select “9k 

STEP” for 9 kHz interval or “10k STEP” for 10 kHz 

interval.

Press DISPLAY/ENTER  on the unit.
After changing the tuning interval, you need to reset 

your preset AM radio stations.

Press .
The Sliding Tray  is ejected.

Connect your USB device to the 



 (USB) port .

A digital music player is charged automatically in the USB mode when 

connected to the 



 (USB) port .

Remove the USB device (see “Listening to music of a 

USB device”).

Slide the Lock  as indicated by the arrow.

Lock 

Push the Sliding Tray  into the unit until it clicks.



 Do not carry the unit with a USB device inserted to the connector. 

Doing so may cause a malfunction.



 Be sure to store the Sliding Tray  before moving the unit.

to the wall outlet

to AC IN





Connect the AC power cord  or insert six R14 (size C) batteries (not supplied) into the battery compartment .
Notes



 Replace the batteries when the OPR/BATT  indicator dims or when the unit stops operating. 

Replace all the batteries with new ones. Before you replace the batteires, be sure to remove the CD from the unit.



 To use the unit on battery power, disconnect the AC power cord from the unit.



 When you operate the unit on battery power, you cannot turn on the unit using the remote.

Insert two R03 (size AAA) batteries (not supplied).

With normal use, the batteries should last for about six months. When the remote no longer operates the unit, replace all 

the batteries with new ones.

You can listen to music stored on an optional USB device 

(digital music player or USB storage media).

Music files in WMA and MP3 format* can be played on 

this unit.

See “Playable USB devices” on the back page for a list of 

USB devices that can be connected to this unit.

* Files with copyright protection (Digital Rights Management) cannot 

be played on this unit.

Press USB  on the unit.

Connect the USB device to the 



 (USB) port  (See 

“Connecting a USB device”).
“USB MEMORY” appears in the display.

Press  .
The unit starts playing.

File number

After the file name is displayed, the 

playing time will appear

Press VOLUME + or – (or VOL + or – on the remote) 

 to adjust the volume.

Pause playback



 . To resume play, press the 

button again*.

Stop playback



 .

Select a folder

 + or – . 

Select a file



 or  . 

Find a point in a 

file

Hold down  or   during 

playback, and release the button at 

the desired point.

Select Repeat Play REPEAT  on the unit repeatedly 

until “ ” or “  1” appears.

Remove the USB 

device

Hold down   until “NO DEV” 

appears, then remove the USB 

device.

* When playing a VBR MP3 file, the unit may resume playback from a 

different point.



 Playback starts from the MP3/WMA file you last stopped playing 

(Resume play). During stop, the MP3/WMA file number and the 

playing time to be played are displayed.



 To cancel resume play (to start play from the beginning of the first 

MP3/WMA file), press  .

Always hold down   and make sure that “NO DEV” appears 

before removing the USB device. Removing the USB device while 

“NO DEV” is not displayed may corrupt the data on the USB device 

or damage the USB device itself.

Press MODE  repeatedly while the USB device is not 

playing. You can select Normal Play (all files on the USB 

device (or in the selected folder while “ ” lights up) one 

after another), Shuffle Play (“SHUF” or “  SHUF”), or 

Program Play (“PGM”).
Notes on the USB device



 You cannot change the play mode during playback.



 Some time may be needed before playback starts when:

– the folder structure is complex.

– the USB device is close to capacity.



 When a USB device is connected, the unit reads all the files on the 

device. If there are many folders or files on the device, it may take a 

long time for the unit to finish reading them.



 Do not connect a USB device to the unit through a USB hub.



 For some USB devices, when an operation is performed on the USB 

device, there may be a delay before it is carried out on this unit.



 This unit may not support all the functions provided on the 

connected USB device.



 The playback order on this unit may differ from the playback order 

on the connected USB device.



 During playback, folders that contain no MP3/WMA files are 

skipped.



 This unit can play MP3 and WMA files that have the “.mp3” or 

“.wma” file extension.



 If there are files on the disc that have the “.mp3” or “.wma” file 

extension, but are not MP3/WMA files, the unit may produce noise 

or malfunction.



 A maximum of 999 MP3/WMA files and 255 folders can be 

contained on a single USB device.

  The maximum number of MP3/WMA files and folders may vary, 

depending on the file and folder structure.



 Compatibility with all MP3/WMA encoding/writing software, 

recording devices, and recording media cannot be guaranteed. If you 

use an incompatible USB device, sound skipping or noise may be 

produced, or the device may not play at all.

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.

Connect the AUDIO IN jack  on the unit to the line 

output jack of the portable digital music player or 

other components using an audio connecting cable 

(not supplied).

Turn the unit and the connected component on.

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 VCR, use an extension 

cable (not supplied) with a stereo-mini jack on one end 

and two phono plugs on the other end.

The unit’s operating voltage is shown on the bottom of 

the unit. For changing the AM tuning interval, radio 

frequency range, and AC operation, check the operating 

voltage of your unit.

Press OPERATE .

Press VOLUME +, – (VOL +, – on the remote) .

Connect the headphones to the  (headphones) jack .

Press MEGA BASS  on the unit.

“MEGA BASS” appears in the display.

To return to normal sound, press the button again.

Press CD  on the unit.
(On the remote, press OPERATE  and then press 

FUNCTION  repeatedly until “CD” appears in the 

display.)

Press  PUSH OPEN/CLOSE  on the unit, and 

place a disc with the label side up in the CD 

compartment.
To close the CD compartment, press  PUSH OPEN/

CLOSE  on the unit.

Press  .
The unit plays all the tracks/MP3/WMA files once.

When you place MP3/WMA discs, “MP3” or “WMA” 

appears in the display after the unit reads the file 

information.
Audio CD

Track number

Playing time

MP3/WMA disc (Example: When you place MP3 disc)

File number

After the file name is displayed, the 

playing time will appear

Pause playback



 . To resume play, press it 

again.

Stop playback



 .

Go to the next 

track/MP3/WMA 

file



 .

Go back to the 

previous track/

MP3/WMA file



 .

Select a folder on 

an MP3/WMA 

disc

 + on the unit to go forward and 

 – to go backward .

Locate a point 

while listening to 

the sound



 (forward) or  (backward) 

 on the unit while playing and 

hold it until you find the point.

Locate a point 

while observing 

the display



 (forward) or  (backward) 

 on the unit in pause and hold it 

until you find the point.

Remove the CD



 PUSH OPEN/CLOSE .

* VOLUME + (VOL + on the remote)  and   on the unit have 

a tactile dot.

Personal Audio System

Battery life

For player:
FM reception
Sony R14P: approx. 13.5 h 
Sony alkaline LR14: approx. 20 h
CD playback
Sony R14P: approx. 2.5 h
Sony alkaline LR14: approx. 7 h

Dimensions

Approx. 360 × 142 × 234 mm (w/h/d)

(14 

1

/

4

 × 5 

5

/

8

 × 9 

1

/

4

 inches) (incl. projecting parts)

Mass

Approx. 2.8 kg (6 lb 2 oz) (incl. batteries)

Supplied accessories

AC power cord (1)

Remote control (1)

Design and specifications are subject to change without notice.

Sony MDR headphones series

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  

200mm from the objective lens surface on the  

Optical Pick-up Block with 7mm aperture.)

Spindle speed

200 r/min (rpm) to 500 r/min (rpm) (CLV)

Number of channels

2

Frequency response

20 - 20 000 Hz +1/–2 dB

Wow and flutter 

Below measurable limit

Frequency range

FM: 87.5 - 108 MHz
AM:  531 - 1 611 kHz (9 kHz step) 

530 - 1 610 kHz (10 kHz step)

Antennas

FM: Telescopic antenna

AM: Built-in ferrite bar antenna

Supported bit rate

MP3 (MPEG 1 Audio Layer-3):

32 - 320 kbps, VBR

WMA:

16-320Kbps,VBR

Sampling frequencies

MP3 (MPEG 1 Audio Layer-3):

32/44.1/48 kHz

WMA:

32/44.1/48kHz

  (USB) port

USB-A (Full Speed)

Speaker

Full range: 8 cm (3 

1

/

4

 inches) dia., 4 Ω, cone type (2)

Input

  (USB) port: Type A, maximum

current 500 mA

AUDIO IN jack (stereo minijack)

Outputs

Headphones jack (stereo minijack)

For 16 - 68 Ω impedance headphones

Power output

1.7 W + 1.7 W (at 4 Ω, 10% harmonic distortion)

Power requirements

For player:

Malaysia and Singapore models: 230 – 240 V AC, 50 Hz

Thailand model: 220 V AC, 50 Hz

Korea model: 220 V AC, 60 Hz

Other models: 230 V AC, 50 Hz

9 V DC, 6 R14 (size C) batteries

For remote control: 

3 V DC, 2 R03 (size AAA) batteries

Power consumption 

AC 13 W

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.