FM/AM
Compact Disc
Player
3-810-611-11 (1)
Operating Instructions
Owner’s Record
The model and serial numbers are located on the bottom of the unit.
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. EXCD-21 Serial No.
For installation and connections, see the supplied installation/connections
manual.
EN
EXCD-21
1995 by Sony Corporation
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
EN
Warning
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.
Features
General
• Built-in power amplifier (max. output:
20 W × 4 ch.) enables you to enjoy 4-speaker
systems.
• Line outputs for connecting an optional
power amplifier.
• 12-hour digital clock provided (page 5).
CD player section
• 1 bit DAC (Digital-to-Analog Converter) for
clear sound reproduction.
• Quick recovery mechanism for preventing
sound skipping.
• Convenient functions such as the Intro Scan
Function for locating a desired track, the
Repeat Play Function for playing a track
repeatedly, and the Shuffle Play Function
for playing tracks in random order.
Tuner section
• Up to 24 stations can be preset: 18 FM
stations and 6 AM stations.
• Automatic Memory function stores a total
of 24 stations in memory quickly and easily
(page 7).
CAUTION
The use of optical instruments with this
product will increase eye hazard.
2
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
Table of Contents
Precautions ............................................................... 4
Setting the Clock ...................................................... 5
CD Player Operation
Playing a CD ............................................................. 5
Ejecting the CD ........................................................ 5
Locating the Beginnings of Tracks
— AMS (Automatic Music Sensor)
Function .......................................................... 6
Locating the Desired Part of a Track
— Manual Search Function ............................... 6
Searching for the Desired Track
— Intro Scan Function ........................................ 6
Playing Tracks Repeatedly
— Repeat Play Function ..................................... 6
Playing Tracks in Random Order
— Shuffle Play Function .................................... 6
Radio Reception
Searching for Stations Automatically
— Automatic Tuning .......................................... 7
If FM Stereo Reception is Poor
— Monaural Mode .............................................. 7
Tuning in by Adjusting the Frequency
— Manual Tuning ............................................... 7
Memorizing Stations Automatically
— Automatic Memory Function ....................... 7
Memorizing Only the Desired Stations ................ 8
Receiving the Memorized Stations ....................... 8
Other Functions
Adjusting the Sound Characteristics .................... 8
Enjoying Bass and Treble at Low Volume
— Loudness Function ......................................... 8
Muting the Sound Quickly
— Mute Function ................................................ 8
Muting the Beep Tone ............................................. 9
Turning on the Clock Display
— Power Select Function ................................... 9
Maintenance ............................................................. 9
Dismounting the Unit ............................................. 9
Location of Controls .............................................. 10
Specifications .......................................................... 11
Troubleshooting Guide ......................................... 12
EN
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
3
EN
Precautions
• Before operating the unit for the first time or
after replacing the car battery, press the reset
button with a ball-point pen etc., then
operate the unit.
Reset button
• If your car is parked in direct sunlight
resulting in a considerable rise in
temperature inside the car, allow the unit to
cool off before operating it.
• If no power is being supplied to the unit,
check the connections first. If everything is in
order, check the fuse.
• If no sound comes from the speakers in
2-speaker systems, set the fader control to the
center position.
If you have any questions or problems
concerning your unit that are not covered in
this manual, please consult your nearest Sony
dealer.
Notes on CDs
Do not expose discs to direct sunlight or heat
sources such as hot air-ducts. Do not leave
them in a car parked in direct sunlight where
there can be a considerable rise in the
temperature inside the car.
Before playing, clean the discs with an optional
cleaning cloth. Wipe each disc from the center
of the disc outward.
Do not use solvents such as benzine, thinner,
commercially available cleaners or antistatic
spray intended for analog discs.
Notes on Moisture condensation
On a rainy day or in a very damp area,
moisture may condense on the lenses inside
the CD player. Should this occur, the unit will
not operate properly. In this case, remove the
disc and wait for about an hour until the
moisture has evaporated.
A dirty or defective disc may cause sound
dropouts during playback. To enjoy optimum
sound, handle the disc as follows.
Handle the disc by its edge to keep the disc
clean. Do not touch its surface.
Do not stick paper or tape on the labeled
surface.
4
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
When you play 8 cm (3 in.) CDs
To use the optional Sony compact disc single
adapter (CSA-8) to protect the CD player from
damage.
Setting the Clock
The clock has a 12-hour digital indication.
For example, setting it to 10:08
1 Display the time.
(Press the
unit operation.)
2 Press the
seconds.
The hour digit(s) blinks.
Set the hour digits.
3 Press the SEL button momentarily.
The minute digits blink.
Set the minute digits.
4 Press the
The clock activates.
Note
If the car has no accessary position on the ignition key
switch, the clock cannot be set unless the power is turned
on. Set the clock after you have turned on the radio, or
during CD playback.
OFF
DSPL
DSPL
or
button for more than two
button during
100
to go forward
to go back
1000
1000
to go forward
to go back
1008
DSPL
button momentarily.
CD Player Operation
Playing a CD
After inserting the CD, playback will
start from the first track automatically.
Label side up
If a CD is already inserted, press the CD
button to start playback.
When the unit starts CD playback, the
elapsed playing time will be displayed.
To display the elapsed playing time and the
track number alternately, press the
button.
MIN SEC
215
Elapsed playing time
When the last track on the CD is over,
the track number indication will return to “1”,
and playback will continue from the first track
of the CD.
Note
To play a 8 cm (3 in.) CD, use the optional Sony compact
disc single adapter (CSA-8).
To stop playback,
eject the CD by pressing the button or
press the
Playback stops also when you select another
source (radio) by pressing the FM/AM button.
OFF
button.
DSPL
EN
CD Player Operation
Ejecting the CD
Press the button.
Note
If you leave the ejected disc in the disc insertion slot after
you have pressed the 6 button, the disc will automatically
retract into the unit after about 15 seconds in order to
protect it.
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
5
Locating the Beginnings
of Tracks
— AMS (Automatic Music Sensor) Function
During playback, press either side of
the SEEK/AMS/MANU button once for
each track you wish to skip.
SEEK/AMS
MANU
SEEK/AMS
MANU
Playing Tracks in Random
Order
Press the
n “SHUF” appears on the display.
All tracks on the currently selected disc are
played in random order.
—Shuffle Play Function
SHUF
3
button during playback.
EN
To locate
previous tracks
To locate
succeeding tracks
Locating the Desired Part
of a Track
During playback, press and hold either
side of the SEEK/AMS/MANU button for
more than two seconds. Release the
button when you have found the
desired part.
To reverse To forward
If you reverse to the beginning of the disc, “_ _ ” appears
on the display. Forwarding to the end of the disc causes
“ _ _” to be displayed.
In either case, you can neither proceed to the previous nor
the following track.
— Manual Search Function
SEEK/AMS
MANU
SEEK/AMS
MANU
Searching for the Desired
Track
Press the
n “INTRO” appears on the display.
The first 10 seconds of all the tracks are played.
When you find the desired track, press the
button once more. The unit returns to normal
playback mode.
— Intro Scan Function
INTRO
1
button during playback.
Playing Tracks Repeatedly
— Repeat Play Function
Press the
n “REPEAT” appears on the display.
When the currently played track is over, it will
be played again from the beginning.
To cancel this mode, press the button again.
6
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
REPEAT
2
button during playback.
Radio Reception
Tuning in by Adjusting the
Frequency
1 Select the desired band.
— Manual Tuning
Searching for Stations
Automatically
1 Select the desired band.
FM
AM
2 Press either side of the SEEK/AMS/MANU
button once to search for the next
station (automatic tuning).
For lower frequencies For higher frequencies
The scanning stops when a station is received.
Press either side of the SEEK/AMS/MANU
button repeatedly until the desired station is
received.
When an FM stereo program with sufficient signal
strength is tuned in,
FM
STEREO
the “STEREO" indication appears.
To keep the automatic tuning from stopping on
stations too frequently (local seek mode), press
SENS
the
indication.
Only the stations with relatively strong signals will be
tuned in. The local seek mode functions only when
automatic tuning is in operation.
FM I n FM II n FM III n
FM I n ···
AM
SEEK/AMS
MANU
879
button momentarily to get the “LOCAL”
— Automatic Tuning
SEEK/AMS
MANU
2 Press and hold either side of the SEEK/
AMS/MANU button.
Release the button when the desired station
is received.
SEEK/AMS
MANU
For lower frequencies For higher frequencies
PREVENT ACCIDENTS!
When tuning in during driving, use automatic
tuning.
SEEK/AMS
MANU
Memorizing Stations
Automatically
— Automatic Memory Function
Stations with the clearest reception are
automatically searched and memorized on
each band (FM I, FM II, FM III and AM). Up to
6 stations on each band can be stored on the
preset number buttons 1 to 6 in the order of
band frequency.
1 Select the desired band.
2 Press the
seconds.
The unit will be start scanning the selected
band and memorize the tuned stations on the
preset number button 1 through 6
automatically.
A.MEM
button for more than two
EN
CD Player Operation/Radio Reception
If FM Stereo Reception is
— Monaural Mode
Poor
Press the
n “MONO” appears on the display.
The sound will improve, but it will be
monaural.
By pressing the
displayed items as follows:
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
SENS
button momentarily.
SENS
button, you can change the
z LOCAL z MONO z Normal mode
7
Memorizing Only the
Desired Stations
1 Select the desired band (page 7).
Other Functions
EN
2 Tune in the station which you wish to
store on a preset number button.
3 Press and hold the desired preset
number button (
two seconds until you hear a beep tone.
The number of the pressed preset number
button appears in the display window.
Up to 6 stations on each band (FM I, FM II, FM III and
AM) can be stored on the preset number buttons in the
order of your choice. Therefore, 18 stations can be
memorized on FM.
If you try to store another station on the same preset
number button, the previously stored station will be
erased.
INTRO
to 6) for about
1
Receiving the Memorized
Stations
1 Select the desired band (page 7).
2 Press momentarily the preset number
button (
desired station is stored.
INTRO
to 6) on which the
1
Adjusting the Sound
Characteristics
1 Select the item you want to adjust by
pressing the SEL button repeatedly.
VOL (volume) n BAS (bass) n TRE
(treble) n BALANCE n FADER n VOL
(volume) n ···
2 Adjust the selected item by pressing
either side of the +/– button.
Adjust within three seconds after selecting.
(After three seconds the buttons will again
serve as volume control buttons.)
Enjoying Bass and Treble
at Low Volume
— Loudness Function
Press the
appear on the display.
The bass and treble will be boosted.
To cancel, press again.
LOUD
button. n “LOUD” will
Note
If you press the preset number button for more than two
seconds, the currently received station will be memorized.
To receive the previously memorized station, make sure
that the preset number button is pressed only momentarily.
8
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
Muting the Sound Quickly
— Mute Function
Press the
indication flashes.
The sound is muted at once.
To restore the previous volume level, press
again.
This function will be also cancelled when:
— + side of the +/– or OFF button is pressed.
— ejecting a CD by pressing the 6 button during CD
playback.
MUTE
button. n The “MUTE”
Muting the Beep Tone
Press the 6 button while pressing
the SEL button.
To reactivate the beep tone, press these buttons
once more.
Note
When connecting an optional power amplifier to the LINE
OUT, the beep tone is disabled.
Turning on the Clock
Display
Only for cars with accessory position on the
ignition key switch
To turn the Power Select Function on
Press the
the SEL button.
To turn the accessory position ON or OFF, the
clock will be displayed or not.
To avoid battery wear, the clock is not
displayed when the unit is initialization.
— Power Select Function
OFF
button while pressing
Dismounting the Unit
1 While pushing in on the left side of the
front cover, insert the tip of a thin
screwdriver as shown in the illustration,
then pry off the front cover.
Thin screwdriver
(Be careful to not break the front cover.)
2 Repeat step 1 on the right side. Then the
front cover will be removed.
EN
Radio Reception/Other Functions
Maintenance
Fuse Replacement
When replacing the fuse, be sure to use one
matching the amperage rating stated on the
fuse. If the fuse blows, check the power
connection and replace the fuse. If the fuse
blows again after replacement, there may be an
internal malfunction. In such a case, consult
your nearest Sony dealer.
Fuse (15 A)
Warning
Never use a fuse with an amperage rating
exceeding the one supplied with the unit as
this could damage the unit.
3 Use a thin screwdriver to push in the clip
on the left side of the unit, then pull out
the left side of the unit until the catch
clears the mounting.
4 Repeat step 3 on the right side.
5 Slide the unit out of the mounting.
9
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
Location of Controls
EN
OFF
DSPL
LOUD
MUTE
SEL
INTRO2REPEAT3SHUF
1
Refer to the pages in r for details.
1 LOUD (loudness) button 8
2 OFF button 589
3 Reset button 4
4 DSPL (display mode change/time set)
button 5
5 +/– (volume/bass/treble/balance/fader
control) button 58
6 Display window
7 SEEK/AMS/MANU (automatic tuning/
Automatic Music Sensor/manual search)
button 67
8 6 (eject) button 58
9 SENS (sensitivity adjust) button 7
!º MUTE button 8
!¡ SEL (control mode select) button 589
SEEK/AMS
MANU
SENS
CD
A.MEM
456
FM
AM
!™ During radio reception:
Preset number buttons 8
During CD playback:
INTRO
1
INTRO (intro scan) button 6
REPEAT
REPEAT (repeat play) button 6
2
SHUF
SHUF (shuffle play) button 6
3
!£ FM/AM (radio on/band select) button
57
!¢ CD (CD play) button 5
!∞ A.MEM (Automatic Memory function)
button 7
10
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
Specifications
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
7 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than
1 % total harmonic distortion.
Other Specifications
CD player section
System Compact disc digital audio
Signal-to- noise ratio 90 dB
Frequency response 10 – 20,000 Hz
Wow and flutter Below measurable limit
Laser Diode Properties
Material GaAlAs
Wavelength 780 nm
Emission Duration Continuous
Laser output power Less than 44.6 µW
* This output is the value measured at a distance of 200
mm from the objective lens surface on the Optical Pickup Block.
system
*
Tuner section
FM
Tuning range 87.5 – 107.9 MHz
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz
Usable sensitivity 13 dBf
Selectivity 70 dB at 400 kHz
Signal-to-noise ratio 65 dB (stereo),
Harmonic distortion at 1 kHz
Separation 33 dB at 1 kHz
Frequency response 30 – 15,000 Hz
Capture ratio 2 dB
AM
Tuning range 530 – 1,710 kHz
Antenna terminal External antenna connector
Intermediate frequency 450 kHz
Sensitivity 32 µV
68 dB (mono)
0.5 % (stereo),
0.3 % (mono)
General
Output lead Power antenna control/
Tone controls Bass ±10 dB at 100 Hz
Power requirements 12 V DC car battery
Dimensions Approx. 178 × 50 × 180 mm
Mounting dimension Approx. 183 × 53 × 159 mm
Mass Approx. 1.2 Kg (2 lb 10 oz.)
Supplied accessories Parts for installation and
Optional accessories RCA pin cord
Design and specifications are subject to change without
notice.
Power amplifier control
lead
Treble ±10 dB at 10 kHz
(negative ground)
1
(7
(w/h/d)
1
(7
(w/h/d)
connections (1 set)
RC-63 (1 m), RC-64 (2 m),
RC-65 (5 m)
Cleaning cloth XP-CD1
Compact disc single
adaptor CSA-8
1
/8 × 2 × 7
/4 × 2 1/8 × 6 3/8 in.)
/8 in.)
EN
Power amplifier section
Outputs Speaker outputs
(sure seal connectors)
Speaker impedance 4 – 8 ohms
Maximum power output 20 W × 4 (at 4 ohms)
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
11
EN
Troubleshooting Guide
The following checklist will assist in the correction of most problems which you may encounter with
your unit.
Before going through the checklist below, refer to the connection and operating procedures.
General
Problem
No sound
The contents of the memory
have been erased.
Indications do not appear in the
display window.
Antenna does not retract.
No beep tone.
CD playback
Problem
CD cannot be loaded.
Play does not begin.
CD is automatically ejected.
CD will not eject.
The operation buttons do not
function.
The sound skips due to
vibration.
Cause/Solution
• Adjust the volume with + side of the +/– button.
• Set the fader control to the center position for 2-speaker systems.
• The power cord or battery has been disconnected.
• The reset button has been pressed.
n Store stations into memory again.
Press the reset button.
When the AMP/ANT REM lead is connected to the power
antenna, the antenna will be extended as long as the unit is
turned on.
• An optional power amplifier is connected to the LINE OUT.
• The beep tone is muted (page 9).
Cause/Solution
• Another CD is already loaded.
• The CD was forcibly inserted upside down.
Dusty disc.
The ambient temperature is more than 50°C.
Press the 6 button for more than two seconds.
Press the reset button.
• The unit is installed at an angle of more than 20°.
• The unit is not installed in a sturdy part of the car.
Radio reception
Problem
Preset tuning is not possible.
Automatic tuning is not possible.
The “STEREO” indication
flashes.
12
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
Cause/Solution
• Memorize the correct frequency.
• The broadcast is too weak.
The broadcast is too weak. n Use manual tuning.
• Tune in precisely.
• The broadcast is too weak.
n Press the
SENS
button to enter the MONO mode.
Error displays
The following indications will flash for about five seconds.
Display Solution
If the above-mentioned solutions do not help to improve the situation, consult your nearest Sony
dealer.
Cause
CD is dirty or inserted upside down.
The CD player cannot be operated
because of some problem.
Clean or insert the CD correctly.
Press the reset or 6 button.
EN
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
13
Sony Corporation Printed in Korea
Actual total number: Sony EXCD-21 (E) 3-810-611-11(1)
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