Sony Cfd S47 Users Manual
CFD-S47 Operating Instructions (primary manual) CFDS47
User manual CFDS47 Sony CFD-S47 Boombox user guide User Manuals and Instruction Guides
2015-01-24
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Page Count: 36

3-864-534-51(1)
©1998 by Sony Corporation
CD Radio
Cassette-Corder
Operating Instructions
CFD-S47

Introduction2
Warning
To prevent fire or shock hazard, do
not expose the player 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.
CAUTION
The use of optical instruments with this
product will increase eye hazard.
WARNING
Do not install the appliance in a confined
space, such as a bookcase or built-in cabinet.
For customers in Canada
To prevent electric shock, match wide blade
of plug to wide slot, fully insert.
Information
For customers in the United States
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.
You are cautioned that any changes or
modifications not expressly approved in this
manual could void your authority to operate
this equipment.
Owner's Record
The model number is located at the bottom
and the serial number is located in the battery
compartment.
Record the serial number in the space
provided below. Refer to these numbers
whenever you call upon your Sony dealer
regarding this product.
Model No. CFD-S47
Serial No.

3Introduction
Basic Operations
Table of contents
Basic Operations
4Playing a CD
6Listening to the radio
8Playing a tape
10 Recording on a tape
The CD Player
12 Using the display
13 Locating a specific point in a
track
14 Playing tracks repeatedly
(Repeat Play)
15 Playing tracks in random order
(Shuffle Play)
16 Creating your own program
(Program Play)
18 Enjoying sound effects
(LOOP/FLASH)
The Radio
19 Presetting radio stations
20 Playing preset radio stations
The Timer
21 Setting the clock
22 Waking up to music
24 Falling asleep to music
Setting Up
25 Choosing the power sources
27 Selecting the audio emphasis
(Sound Mode/MEGA BASS)
Additional Information
28 Precautions
30 Troubleshooting
32 Maintenance
33 Specifications
34 Index

Basic Operations4
Playing a CD
Basic Operations
Connect the supplied AC power cord (see page 25).
1Press 6 CD OPEN/CLOSE
(direct power-on) and place the
CD on the CD tray.
2Press ^.
The CD tray closes and the player
plays all the tracks once.
Display
Playing timeTrack number
With the label side up
21
CD OPEN/
CLOSE
V
O
L
–
V
O
L
+
P
R
E
S
E
T
+
B
A
N
D
P
R
E
S
E
T
–
TUNE
–
TUNE
+

Basic Operations
Basic Operations
5
Use these buttons for additional operations
To Press
adjust the volume VOL +, –
stop playback p
pause playback ^ (P on the remote)
Press the button again to
resume play after pause.
go to the next track +
go back to the previous track =
remove the CD 6 CD OPEN/CLOSE
turn on/off the player POWER
Tip
Next time you want to
listen to a CD, just press
^. The player turns on
automatically and starts
playing the CD.
POWER
p
^
=
6 CD OPEN/CLOSE
+

Basic Operations6
Listening to the radio
Connect the supplied AC power cord (see page 25).
1Press BAND until the band you
want appears in the display
(direct power-on).
2Hold down TUNE +/+ or
TUNE –/= (TUNE + or – on
the remote) until the frequency
digits begin to change in the
display.
The player automatically scans
the radio frequencies and stops
when it finds a clear station.
If you can't tune in a station,
press the button repeatedly to
change the frequency step by
step.
Display
Indicates an FM stereo
broadcast
122
V
O
L
–
V
O
L
+
P
R
E
S
E
T
+
B
A
N
D
P
R
E
S
E
T
–
TUNE
–
TUNE
+
V
O
L
–
V
O
L
+
P
R
E
S
E
T
+
B
A
N
D
P
R
E
S
E
T
–
TUNE
–
TUNE
+

Basic Operations
Basic Operations
7
Use these buttons for additional operations
To Press
adjust the volume VOL +, –
turn on/off the radio POWER
To improve broadcast reception
Reorient the antenna for FM. Reorient the player itself
for AM.
for FM for AM
Tips
• If the FM broadcast is
noisy, press MONO/ST
ISS•PLAY MODE until
“Mono” appears in the
display and the radio
will play in monaural.
• Next time you want to
listen to the radio, just
press BAND. The player
turns on automatically
and starts playing the
previous station.
POWER
VOL +
MONO/ST ISS
PLAY MODE
VOL –

Basic Operations8
Playing a tape
Connect the supplied AC power cord (see page 25).
1Press p6 to open the tape
compartment and insert a
recorded tape. Use TYPE I
(normal) tape only. Close the
compartment.
2Press (.
The player turns on (direct
power-on) and starts playing.
With the side you want
to play facing upward
Display
12
STOP/EJECT
PLAY

Basic Operations
Basic Operations
9
Use these buttons for additional operations
To Press
adjust the volume VOL +, –
stop playback p6
fast-forward or rewind the tape ) or 0
pause playback P
Press the button again to
resume play after pause.
eject the cassette p6
turn on/off the player POWER
Tip
Next time you want to
listen to a tape, just
press (. The player
turns on automatically
and starts playing the
tape.
p6
VOL –
P
0
POWER
VOL +
)

Basic Operations10
Recording on a tape
Connect the supplied AC power cord (see page 25).
1Press p6 to open the tape
compartment and insert a blank
tape. Use TYPE I (normal) tape
only.
2Select the program source you
want to record.
To record from the CD player,
insert a CD (see page 4) and press
p on the CD section.
To record from the radio, tune in
the station you want (see page 6).
31
With the side you want to
record on facing upward
Display
STOP/EJECT
V
O
L
–
V
O
L
+
P
R
E
S
E
T
+
B
A
N
D
P
R
E
S
E
T
–
TUNE
–
TUNE
+
V
O
L
–
V
O
L
+
P
R
E
S
E
T
+
B
A
N
D
P
R
E
S
E
T
–
TUNE
–
TUNE
+

Basic Operations
Basic Operations
11
3Press r to start recording
(( is depressed automatically).
Use these buttons for additional operations
Tips
• Adjusting the volume or
the audio emphasis (see
page 27) will not affect
the recording level.
• If the AM program
makes a whistling
sound after you've
pressed r in step 3,
press MONO/ST
ISS•PLAY MODE
(Interference Suppress
switch) repeatedly until
the noise is at a
minimum.
• For the best results, use
the AC power as a
power source.
• To erase a recording,
proceed as follows:
1 Insert the tape whose
recording you want to
erase.
2 Press FUNCTION to
select “TAPE”.
3 Press r.
To Press
stop recording p6
pause recording P
Press the button again to
resume recording.
turn on/off the player POWER
p6
P
POWER
MONO/ST ISS
PLAY MODE
REC
FUNCTION

The CD Player12
Using the display
You can check information about the CD
using the display.
The CD Player
Checking the total track number and playing
time
Check the display in stop mode.
If the CD has more than 12 tracks, “OVER 12” appears
in the display.
Checking the remaining time
Press DISPLAY•ENTER MEM while playing a CD.
The track numbers in the music calendar disappear
after they are played.
To display
Press DISPLAY•ENTER
MEM
the current track number once
and the remaining time
on the current track*
the number of tracks left twice
and remaining time on the CD
the current track number three times
and playing time
* For a track whose number is more than 20, the remaining
time appears as “– –:– –”.
Music calendar
Total playing time
Total track number
DISPLAY
ENTER MEM

The CD Player
The CD Player 13
Locating a specific
point in a track
You can quickly find a specific point in a
track while playing a CD.
You can also locate any track using the
number buttons on the remote.
To locate Press
a point while listening to + (forward) or =
the sound (backward) while playing
and hold down until you
find the point
a point while observing + (forward) or =
the display (backward) in pause and
hold down until you find
the point
a specific track directly the number button of the
track on the remote
Note
You cannot locate a
specific track if
“SHUF” or “PGM” is lit
in the display. Turn off
the indication by
pressing p.
Tip
When you locate a
track numbered over
10, press >10 first, then
the corresponding
number buttons.
Example:
To play track number
23, press >10 first, then
2 and 3.
+
=

The CD Player14
Playing tracks
repeatedly
(Repeat Play)
You can play tracks repeatedly in
normal, shuffle or program play modes
(see page 16).
1Press p.
“Cd” appears in the display.
2Proceed as follows.
To repeat Do this
a single track 1Press MONO/ST ISS•
PLAY MODE until “REP
1” appears.
2Press = or + to select
the track that you want to
repeat.
3Press ^.
all the tracks 1Press MONO/ST ISS•
PLAY MODE until “REP
ALL” appears.
2Press ^.
tracks in random order 1Press MONO/ST ISS•
PLAY MODE until “SHUF
REP” appears.
2Press ^.
programmed tracks 1Press MONO/ST ISS•
PLAY MODE until “PGM
REP” appears.
2Program tracks (see step 3
on page 16).
3Press ^.
To cancel Repeat Play
Press MONO/ST ISS•PLAY MODE until “REP”
disappears from the display.
p
MONO/ST ISS
PLAY MODE
=
^
On the remote
1 Press p.
2 Press MODE until
the repeat mode you
want appears in the
display.
3 Do either of the
following to start
repeat play:
•When you’ve
selected “REP 1”,
select the track by
pressing the
number button.
•When you’ve
selected “REP
ALL” or “SHUF
REP”, press (.
•When you’ve
selected “PGM
REP”, program
tracks (see step 3
on page 16), then
press (.
+

The CD Player
The CD Player 15
Playing tracks in
random order
(Shuffle Play)
You can play tracks in random order.
1Press p.
“Cd” appears in the display.
2Press MONO/ST ISS•PLAY MODE until “SHUF”
appears in the display.
3Press ^ to start shuffle play.
To cancel Shuffle Play
Press MONO/ST ISS•PLAY MODE until “SHUF”
disappears from the display.
On the remote
1 Press p.
2 Press MODE
repeatedly until
“SHUF” appears in
the display.
3 Press (.
p
^
MONO/ST ISS
PLAY MODE

The CD Player16
Creating your
own program
(Program Play)
You can arrange the playing order of up
to 20 tracks on a CD.
Programed track Playing order
1Press p.
“Cd” appears in the display.
2Press MONO/ST ISS•PLAY MODE until “PGM”
appears in the display.
3Press the = or + then press DISPLAY•
ENTER MEM for the tracks you want to program
in the order you want.
The programed tracks appear in the music
calender.
4Press ^ to start program play.
On the remote
1 Press p.
2 Press MODE until
“PGM” appears in
the display.
3 Press the number
buttons for the tracks
you want to program
in the order you
want.
4 Press (.
p
+
MONO/ST ISS
PLAY MODE
=
^
DISPLAY
ENTER MEM

The CD Player
The CD Player 17
Tips
• You can play the same
program again, since
the program is saved
until you open the CD
tray.
• You can record your
own program. After
you’ve created the
program, insert a blank
tape and press r to
start recording.
To cancel Program Play
Press MONO/ST ISS•PLAY MODE until “PGM”
disappears from the display.
To check the order of tracks before play
Press DISPLAY•ENTER MEM.
Every time you press the button, the track number
appears in the programed order.
To change the current program
Press p once if the CD is stopped and twice if the CD
is playing. The current program will be erased. Then
create a new program following the programing
procedure.

The CD Player18
Enjoying sound
effects (LOOP/FLASH)
You can repeat part of a CD (LOOP) and
can “flash” the CD sound (FLASH)
during playback.
1Play a CD.
2Press and hold LOOP or FLASH at the point you
want to start the function.
To Press and hold
repeat a selected part of a CD LOOP
“flash” the CD sound FLASH
To cancel the LOOP or FLASH function
Release the button.
The player returns to normal play.
LOOP
FLASH

The Radio
The Radio
19
The Radio
Presetting radio
stations
You can store radio stations into the
player’s memory. You can preset up to
20 radio stations, 10 for each band in any
order.
1Press BAND until the band you want appears in
the display.
2Set the frequency to the station you want.
3Hold down DISPLAY•ENTER MEM for 2 seconds.
4Press PRESET + or – until the preset number (1 to
10) you want for the station flashes in the music
calender.
5Press DISPLAY• ENTER MEM again.
The new station replaces the old one.
On the remote
1 Press BAND to select
the band.
2 Set the frequency to
the station you want.
3 Hold down the
number buttons that
you want to preset
the new station on for
2 seconds.
The frequency digits
flash in the display
and the station is
stored into the
player’s memory.
BAND
DISPLAY
ENTER MEM
PRESET –
PRESET +

The Radio20
Playing preset
radio stations
Once you've preset the stations, use the
number buttons on the remote or
PRESET +/– on the player to tune in to
your favorite stations.
1Press BAND to select the band.
2Press PRESET + or – to tune in the stored station.
On the remote
1 Press BAND to select
the band.
2 Press the number
buttons to tune in the
stored station.
BAND
PRESET –
PRESET +

The Timer 21
The Timer
Setting the clock
“--:--” indication appears in the display
until you set the clock.
The Timer
Tip
The time display
system:
12-hour system
1Press CLOCK for 2 seconds until the hour digit
flashes.
2Press TUNE +/+ or TUNE –/= until you set
the current hour. Then press DISPLAY•ENTER
MEM.
The minute digits flash. Set the minutes by
pressing TUNE +/+ or TUNE –/= until the
correct minute is displayed.
3Press DISPLAY•ENTER MEM.
The clock starts from 00 seconds.
/
CLOCK
DISPLAY
ENTER MEM
TUNE –/=
TUNE +/+

The Timer22
Waking up to
music
You can wake up to music or a radio
program at a preset time. Make sure
you have set the clock (“Setting the
clock” on page 21).
Before you begin, make sure the t (clock) indication is
not lit in the display. If it is lit, press STANDBY.
1Prepare the music source you want to play.
To play Do this
the radio Tune in a station
a CD Insert a CD
2Press TIMER.
The t (clock) and the music source (“Cd” or
“RAdIO”) flash.
3Select the music source (“Cd” or “RAdIO”) by
pressing TUNE +/+ or TUNE –/=, then
DISPLAY•ENTER MEM.
4 Set the timer to the hour you want the music to
start by pressing TUNE +/+ or TUNE –/=,
then DISPLAY•ENTER MEM.
Set the minutes, then press DISPLAY•ENTER
MEM.
5 Set the timer to the hour and the minutes you want
the music to go off. (Do as step 4.)
STANDBY
TIMER
DISPLAY
ENTER MEM
TUNE –/=
TUNE +/+

The Timer 23
The Timer
Tips
• The display window
does not light while the
waking up timer is on.
• You can have the
player go on the next
day at the same time.
Just press STANDBY
until the t indication
appears in the display.
The preset settings
remain until you reset
them.
6Press TUNE +/+ or TUNE –/= to set the
volume, then DISPLAY•ENTER MEM.
7Press STANDBY.
The t indication lights up and the power goes off.
At the preset time, the power will go on, and the
music will play. Then the power will go off at the
preset time, and the player will enter into the
standby mode.
To check/change when the playback will start
Press TIMER, then DISPLAY•ENTER MEM. Each
time you press DISPLAY•ENTER MEM, a stored
setting is displayed in the set order. To change the
setting, display the setting you want to change and re-
enter it.
To use the player before a timer playback starts
Just turn on the player, and then you can use it.
If you turn off the player before the preset time, timer
playback will start at the preset time.
In case of the radio, however, if you listen to the
station which is different from the one you tuned in
in step 1 on page 22, you will hear that station at the
preset time. Make sure to tune in the station you want
to listen to before you turn off the player.
To stop play
Press POWER to turn off the power.

The Timer24
Falling asleep to
music
You can set the player to turn off
automatically after 10, 20, 30, 60, 90,
and 120 minutes, allowing you to fall
asleep while listening to music.
Tips
• The display window
does not light while the
sleeping timer is on.
• You can fall asleep and
wake up to different
music. Set the waking
up timer first (see page
22), turn on the power,
and then set the
sleeping timer.
However, you cannot
store different radio
stations.
Note
When you are playing
a tape using this
function:
If the tape length of
one side is longer than
the set time, the player
will not go off until the
tape reaches the end.
1Play the music source you want.
2Press SLEEP to display “SLEEP.”
3Press SLEEP to select the minutes until the player
goes off automatically.
Each time you press the
button, the indication
changes as follows: “60”
n “90” n “120” n no
indication n “10” n
“20” n “30.”
To cancel the sleep function
Press POWER to turn off the power.
SLEEP

Setting Up 25
Setting Up
Setting Up
Choosing the
power sources
You can use the AC power or batteries
as a power source.
1 Inserting the back-up batteries
Insert four size AA (R6) batteries (not supplied) into
the battery compartment. These batteries work to save
the memory data.
Replacing batteries
Take out the batteries as illustrated.
2 Connecting the AC power cord
Insert one end of the supplied AC power cord to the
AC IN socket located at the rear of the player, and the
other end to the wall outlet.
14 Battery compartment
2 to a wall outlet
AC IN
continued

Setting Up26
3 Inserting batteries into the remote
Insert two size AA (R6) batteries (not supplied)
Replacing batteries
With normal use, the batteries should last for about six
months. When the remote no longer operates the
player, replace all the batteries with new ones.
4 Using the player on batteries
Insert six size D (R20) batteries (not supplied) into the
battery compartment.
To use the player on batteries, disconnect the AC
power cord from the player.
Note
When you operate the
player on batteries,
– the backlight in the
display does not
light.
– you cannot turn on
the player using the
remote.
Tip
Replace the batteries
when the OPR/BATT
indicator dims or when
the player stops
operating. Replace all
the batteries with new
ones. Before you
replace the batteries, be
sure to take out the CD
from the player.
Choosing the power sources (continued)

Setting Up 27
Setting Up
Selecting the sound characteristic
Press one of the PRESET SOUND MODE buttons to
select the audio emphasis you want.
Choose To get
OFF the whole dynamic range for music
such as classical music
ROCK powerful, clean sounds, emphasizing
low and high range audio
POP light, bright sounds emphasizing
high and middle range audio
LIVE percussive sounds, emphasizing bass
audio
VOCAL the presence of vocals, stressing
middle range audio
Reinforcing the bass sound
Press MEGA BASS.
”MEGA BASS” appears in the display.
To return to normal sound, press the button again.
On the remote
Press SOUND
repeatedly to select the
audio emphasis you
want.
MEGA BASS
PRESET SOUND
MODE
Selecting the
audio emphasis
(Sound Mode/MEGA BASS)
You can adjust the audio emphasis of
the sound you are listening to.

Additional Information28
Precautions
Additional Information
On placement
• Do not leave the player in a location
near heat sources, or in a place subject
to direct sunlight, excessive dust or
mechanical shock.
• Do not place the player on an inclined
or unstable place.
• Do not place anything within 10 mm
of the side of the cabinet. The
ventilation holes must be
unobstructed for the player to operate
properly and prolong the life of its
components.
• If the player is left in a car parked in
the sun, be sure to choose a location in
the car where the player will not be
subjected to the direct rays of the sun.
• Since a strong magnet is used for the
speakers, keep personal credit cards
using magnetic coding or spring-
wound watches away from the player
to prevent possible damage from the
magnet.
On operation
• If the player 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
player will not operate properly. In
this case, remove the CD and wait
about an hour for the moisture to
evaporate.
• If the player has not been used for a
long time, set it in the playback mode
to warm it up for a few minutes before
inserting a cassette.
If you have any questions or problems
concerning your player, please consult
your nearest Sony dealer.
On safety
• As the laser beam used in the CD
player section is harmful to the eyes,
do not attempt to disassemble the
casing. Refer servicing to qualified
personnel only.
• Should any solid object or liquid fall
into the player, unplug the player, and
have it checked by qualified personnel
before operating it any further.
On power sources
• For AC operation, use the supplied
AC power cord; do not use any other
type.
• The player is not disconnected from
the AC power source (mains) as long
as it is connected to the wall outlet,
even if the player itself has been
turned off.
• Unplug the player from the wall outlet
when it is not to be used for an
extended period of time.
• For battery operation, use six size D
(R20) batteries.
• When the batteries are not to be used,
remove them to avoid damage that
can be caused by battery leakage or
corrosion.
• The nameplate indicating operating
voltage, power consumption, etc. is
located at the bottom.

Additional Information 29
Notes on CDs
• Before playing, clean the CD with a
cleaning cloth. Wipe the CD from the
center out.
• 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, nor 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 sticker on the
CD, nor scratch the surface of the CD.
• After playing, store the CD in its case.
If there is a scratch, dirt or fingerprints
on the CD, it may cause tracking error.
Notes on cassettes
• Break off the cassette tab from side A
or B to prevent accidental recording. If
you want to reuse the tape for
recording, cover the broken tab with
adhesive tape.
• The use of a cassette with more than
90 minutes of play time is not
recommended except for long,
continuous recording or playback.
Side A
Tab for side A
Tab for side B

Additional Information30
Troubleshooting
Symptom
The power is not on.
There is no audio.
“no disc“ lights in the display even
when a CD is in place.
The CD does not play.
The sound drops out.
The audio is weak or has poor
quality.
The picture of your TV becomes
unstable.
Remedy
• Connect the AC power cord to a wall outlet
securely.
• Make sure the batteries are inserted correctly.
• You cannot turn on the player with the remote
when you operate the player on batteries.
• Make sure the function you want to use appears
in the display window.
• Adjust the volume.
• Unplug the headphones when listening through
speakers.
• Insert the CD with the label surface up.
• Make sure that the CD tray is closed.
• Place the CD with the label surface up.
• Clean the CD.
• Take out the CD and leave the CD tray open for
about an hour to dry moisture condensation.
• Make sure “Cd” appears in the display.
• Reduce the volume.
• Clean the CD, or replace it if the CD is badly
damaged
• Place the player in a location free from
vibration.
• Replace all the batteries with new ones if they
are weak.
• Move the player away from the TV.
• If you are using the remote while listening to
AM radio, noise may be heard. This is
unavoidable.
• If you are listening to an FM program near the
TV with an indoor antenna, move the player
away from the TV.
General
CD Player
Radio

Additional Information 31
Symptom
The tape does not move when you
press an operation button.
The REC r button does not
function/The tape does not play.
The tape does not erase completely.
The tape does not record.
The audio is weak/The audio
quality is poor.
The sound is distorted.
The timer does not operate.
The remote does not function.
Remedy
• Close the tape compartment securely.
• Make sure the safety tab on the cassette is in
place.
• Make sure “TAPE” appears in the display.
• Clean the erasing head (see page 32)
• Replace all the batteries with new ones if they
are weak.
• The source which was recorded on TYPE II
(high position) or TYPE IV (metal) tape using
this unit is being played. Record on TYPE I
(normal) tape and play.
• Make sure the tape is inserted properly.
• Make sure the safety tab of the cassette is in
place.
• Clean the heads, pinch roller and capstan (see
page 32).
• Demagnetize the heads using a demagnetizer
(see page 32).
• The TYPE II (high position) or TYPE IV (metal)
tape is being used. Use TYPE I (normal) tape
only.
• Make sure the time on the clock is correct.
• Check to see if the AC power had been cut off.
• Make sure the t (clock) indication is displayed.
• Replace all the batteries in the remote with new
ones if they are weak.
• Make sure that you are pointing the remote at
the remote sensor on the player.
• Remove any obstacles in the path of the remote
and the player.
• Make sure the remote sensor is not exposed to
strong light such as direct sunlight or
fluorescent lamp light.
• Move closer to the player when using the
remote.
Tape Player
TimerRemote
After trying the above remedies, if you still have problems, unplug the AC power cord and
remove all the batteries. After all the indications in the display disappear, plug the power cord
and insert the batteries again. If the problem persists, please consult your nearest Sony dealer.

Additional Information32
Maintenance
Demagnetizing the tape heads
After 20 to 30 hours of use, enough
residual magnetism will have built up
on the tape heads to begin to cause loss
of high frequency sound and hiss. At
this time, you should demagnetize the
heads and all metal parts in the tape
path with a commercially available tape
head demagnetizer.
Cleaning the cabinet
Clean the cabinet, panel and controls
with 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.
Cleaning the tape heads and tape
path
Wipe the heads, the pinch roller and the
capstan with a cleaning swab slightly
moistened with cleaning fluid or alcohol
after every 10 hours of operation for
optimum playback and recording
quality. To make the best possible
recording, however, we recommend that
you clean all surfaces over which tape
travels before each recording.
After cleaning, insert a tape when the
areas cleaned are completely dry.
Erase head
Capstan
Pinch roller
Record/playback head

Additional Information 33
Specifications
General
Speaker
Full range: 8 cm (3 1⁄4 in.) dia.,
6 ohms, cone type (2)
Outputs
Headphones jack (stereo minijack)
For 16 - 68 ohms impedance headphones
Power output (except US model)
3.5W + 3.5W (at 6 ohms, 10% harmonic distortion)
Power requirements
For CD radio cassette-corder:
120 V AC, 60 Hz
9 V DC, 6 size D (R20) batteries
For memory back-up:
6 V DC, 4 size AA (R6) batteries
For remote control:
3 V DC, 2 size AA (R6) batteries
Power consumption
AC 25 W
Battery life
For CD radio cassette-corder:
FM recording
Sony R20P: approx. 3.5 h
Sony alkaline LR20: approx. 10 h
Tape playback
Sony R20P: approx. 1.5 h
Sony alkaline LR20: approx. 5 h
CD playback
Sony R20P: approx. 1 h
Sony alkaline LR20: approx. 4 h
Dimensions
Approx. 420 × 177 × 281 mm (w/h/d)
(16 5⁄8 × 7 × 11 1⁄8 inches) (incl. projecting parts)
MassApprox. 5.1 kg (11 lb. 4 oz) (incl. batteries)
Supplied accessories
AC power cord (1)
Remote control (1)
Design and specifications are subject to change without
notice.
Optional accessories
Sony MDR headphones series
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION
With 6-ohm loads, both channels driven from
100 - 10,000 Hz; rated 3.5 W per channel-
minimum RMS power, with no more than 10
% total harmonic distortion in AC operation.
Other Specifications
CD player section
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wave length: 780 nm
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.)
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
Radio section
Frequency range
FM: 87.6 - 108 MHz
AM: 530 - 1,710 kHz
Aerials
FM: Telescopic aerial
AM: Built-in ferrite bar aerial
Cassette-corder section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. 150 sec. with Sony cassette C-60
Frequency response
TYPE I (normal): 80 - 10,000 Hz

Additional Information34
Index
A
Audio emphasis 27
B
Batteries
for player 26
memory back-up 25
for remote 26
C
CD player 12
Choosing power sources 25
Cleaning
cabinet 32
tape heads and tape
path 32
Connecting AC power cord
25
Creating your own program
16
D, E
Demagnetizing the tape
heads 32
Display 12
F, G, H
FLASH 18
I, J, K
Improving broadcast
reception 7
L
Listening to the radio 6
Locating a specific point 13
LOOP 18
M, N, O
MEGA BASS 27
P, Q
Playing
a CD 4
a tape 8
preset radio stations 20
tracks repeatedly 14
Power sources 25
Presetting radio stations 19
Program Play 16
R
Radio stations
playing 20
presetting 19
Recording on a tape 10
Repeat Play 14
S
Selecting
audio emphasis 27
tracks 5
Setting the clock 21
Setting up 25
SOUND 27
T
Timer
Falling asleep to music
24
Waking up to music 22
Troubleshooting 30
U, V, W, X, Y, Z
Using the display 12

Additional Information 35

Sony Corporation Printed in China