Sony EXCD-31 User Manual

FM/AM
Compact Disc
Player

3-810-609-11 (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-31 Serial No.

For installation and connections, see the supplied installation/connections
manual.

EN

EXCD-31

 1995 by Sony Corporation

Actual total number: SONY EXCD-31 (E) 3-810-609-11(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

• Detachable-front panel enables you to take

the front panel away with you when you
leave your car (page 4).

• Caution alarm will be activated if you turn

off the ignition key without removing the
front panel from the unit.

• 12-hour digital clock provided (page 5).

• 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.

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 8).

CAUTION

The use of optical instruments with this
product will increase eye hazard.

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Actual total number: SONY EXCD-31 (E) 3-810-609-11(1)

Table of Contents

Precautions ............................................................... 4

Detaching and Attaching the Front Panel ............ 4

Setting the Clock ...................................................... 5

CD Player Operation

Playing a CD ............................................................. 6

Ejecting the CD ........................................................ 6

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 .................................... 7

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 ............................................... 8

Memorizing Stations Automatically

— Automatic Memory Function ....................... 8

Memorizing Only the Desired Stations ................ 8

Receiving the Memorized Stations ....................... 8

Other Functions

Adjusting the Sound Characteristics .................... 9

Enjoying Bass and Treble at Low Volume

— Loudness Function ......................................... 9

Muting the Sound Quickly

— Mute Function ................................................ 9

Muting the Beep Tone ............................................. 9

Turning on the Clock

— Power Select Function ................................... 9

Maintenance ........................................................... 10

Dismounting the Unit ........................................... 10

Location of Controls .............................................. 11

Specifications .......................................................... 12

Troubleshooting Guide ......................................... 13

EN

Actual total number: SONY EXCD-31 (E) 3-810-609-11(1)

3

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.

Do not expose the 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.

EN

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

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 the surface.

Do not stick paper or tape on the labeled
surface.

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.

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.

Detaching and Attaching
the Front Panel

The front panel of this unit can be detached in
order to prevent the unit from being stolen.

Detaching the Front Panel

Before detaching the front panel, be sure to
press the OFF button first. Then press the
RELEASE button to open up the front panel
and detach the panel by pulling it towards you
as illustrated.

OFF button

RELEASE button

Be sure not to drop the panel after detaching it

4

Actual total number: SONY EXCD-31 (E) 3-810-609-11(1)

from the unit.

Attaching the Front Panel

OFF

DSPL

Apply the right side of the front panel to the
unit by attaching part A of the front panel to
part B of the unit as illustrated, then swing
the left side into the unit and push it until
clicks.

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.)

or

DSPL

button during

A

B

Notes

• Make sure that the front panel is the right way up when

attaching it to the unit as it cannot be attached upside
down.

• Do not press the front panel hard against the unit when

attaching it to the unit. It can easily be attached by
pressing it lightly against the unit.

• When you carry the front panel with you, put it in the

supplied front panel case.

• Do not press hard or give excessive pressure to the

display window of the front panel.

• Before removing the front panel, be sure to turn the

power off. However, if you press the RELEASE button to
detach the panel while the unit is still turned on, the
power will automatically turn off in order to protect the
speakers from being damaged.

• Do not expose the front panel to direct sunlight, heat

sources such as hot air ducts or leave it in a humid place.
Never leave it on the dashboard etc. of a car parked in
direct sunlight where there may be a considerable rise in
temperature inside the car.

Caution Alarm

If you turn the ignition key switch to the OFF
position without removing the front panel, the
caution alarm will be activated and a beep tone
will be heard for a few seconds (only for cars
with an accessory position on the ignition key
switch).

2 Press the

button for more than

two seconds.

100

The hour digits blinks.

Set the hour digits.

to go forward

to go back

1000

3 Press the SEL button momentarily.

1000

The minute digits blink.

Set the minute digits.

to go forward

to go back

1008

4 Press the

The clock activates.

Note

If the car has no accessory position on the ignition key
switch, the clock cannot be set unless the power is turn on.
Set the clock after you have turned on the radio, or started
CD playback.

DSPL

button momentarily.

EN

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Actual total number: SONY EXCD-31 (E) 3-810-609-11(1)