Sony Cdx L250 Users Manual

CDX-L250 Primary User Manual CDXL250

User manual CDXL250 Sony CDX-L250 Cd Player User Manuals and Instruction Guides

: Sony Sony-Cdx-L250-Users-Manual-599168 sony-cdx-l250-users-manual-599168 sony pdf

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Operating Instructions

Sony Corporation 2001 Printed in Korea

FM/AM

Compact Disc

Player

CDX-L250

For installation and connections, see the supplied installation/connections

manual.

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. CDX-L250 Serial No.

Welcome !

Thank you for purchasing this Sony Compact

Disc Player. You can enjoy its various features.

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.

CAUTION

The use of optical instruments with this product

will increase eye hazard.

Getting Started

Resetting the unit

Before operating the unit for the first time or

after replacing the car battery, you must reset

the unit.

Press the reset button with a pointed object,

such as a ball-point pen.

Note

Pressing the reset button will erase the clock setting

and some stored contents.

Reset button

Specifications

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC DISTORTION

22 watts per channel minimum continuous average power into

4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than

5 % total harmonic distortion.

CD player section

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 Pick-up Block.

Tuner section

FM

Tuning range 87.5 – 107.9 MHz

Antenna terminal External antenna connector

Intermediate frequency 10.7 MHz

Usable sensitivity 11 dBf

Selectivity 75 dB at 400 kHz

Signal-to-noise ratio 65 dB (stereo),

68 dB (mono)

Harmonic distortion at 1 kHz

0.7 % (stereo),

0.5 % (mono)

Separation 33 dB at 1 kHz

Frequency response 30 – 15,000 Hz

AM

Tuning range 530 – 1,710 kHz

Antenna terminal External antenna connector

Intermediate frequency 10.7 MHz/450 kHz

Sensitivity 30 µV

Power amplifier section

Outputs Speaker outputs

(sure seal connectors)

Speaker impedance 4 – 8 ohms

Maximum power output 45 W × 4 (at 4 ohms)

General

Outputs Audio output

Power amplifier control

Power antenna relay control

Tone controls Bass ±10 dB at 20 Hz

Treble ±10 dB at 20 kHz

Power requirements 12 V DC car battery

(negative earth)

Dimensions Approx.

178

×

50

×

176

mm

(7 1/8 × 2 × 7 in.)

(w/h/d)

Mounting dimensions Approx. 182 × 53 × 161 mm

(7 1/4 × 2 1/8 × 6 3/8 in.)

(w/h/d)

Mass Approx. 1.2 kg (2 lb. 10 oz.)

Supplied accessory Parts for installation and

connections (1 set)

Design and specifications are subject to change

without notice.

3-227-610-11 (1)

Setting the clock

The clock uses a 12-hour digital indication.

Example: To set the clock to 10:08

1Press (DSPL) for 2 seconds.

The hour indication flashes.

1Press either side of the volume +/–

button to set the hour.

2Press (SEL).

The minute indication flashes.

3Press either side of the volume +/–

button to set the minute.

2 Press (DSPL).

The clock starts. After the clock setting is

completed, the display returns to normal

play mode.

Maintenance

Fuse replacement

When replacing the fuse, be sure to use one

matching the amperage rating stated on the

original 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.

Warning

Never use a fuse with an amperage rating

exceeding the one supplied with the unit as this

could damage the unit.

Additional Information

Precautions

•If your car was parked in direct sunlight, allow

the unit to cool off before operating it.

•Power antennas will extend automatically

while the unit is operating.

If you have any questions or problems

concerning your unit that are not covered in this

manual, please consult your nearest Sony dealer.

Moisture condensation

On a rainy day or in a very damp area, moisture

condensation may occur inside the lenses and

display of the unit. Should this occur, the unit

will not operate properly. In such a case, remove

the disc and wait for about an hour until the

moisture has evaporated.

To maintain high sound quality

Be careful not to splash juice or other soft drinks

onto the unit or discs.

Fuse (10 A)

Notes on discs

•To keep the disc clean, do not touch the

surface. Handle the disc by its edge.

•Keep your discs in their cases or disc

magazines when not in use. Do not subject the

discs to heat/high temperature. Avoid leaving

them in parked cars or on dashboards/rear

trays.

•Do not attach labels, or use discs with sticky

ink/residue. Such discs may stop spinning

when used, causing a malfunction, or may ruin

the disc.

•Discs with special shapes (heart-shaped discs,

octagonal discs, etc.) cannot be played on this

unit. Attempting to do so may damage the

unit. Do not use such discs.

•You cannot play 8cm (3in.) CDs.

•Before playing, clean the discs with a

commercially available cleaning cloth. Wipe

each disc from the center out. Do not use

solvents such as benzine, thinner,

commercially available cleaners, or antistatic

spray intended for analog discs.

Notes on CD-R discs

•You can play CD-Rs (recordable CDs)

designed for audio use on this unit.

Look for this mark to distinguish CD-Rs for

audio use.

This mark denotes that a disc is not for audio

use.

•Some CD-Rs (depending on the equipment

used for its recording or the condition of the

disc) may not play on this unit.

•You cannot play a CD-R that is not finalized*.

*A process necessary for a recorded CD-R disc to be

played on the audio CD player.

Removing the unit

1Insert the supplied tool between the unit

and the frame, and rotate 90° to release

the hidden mounting spring. Repeat on

the opposite side and remove the frame.

2Insert a flathead screwdriver between the

bracket and mounting spring. Gently pry

the spring toward the unit while pulling

the unit out a little. Repeat on the

opposite side and remove the unit.

90°

10 mm (13/32 in.)

4 mm (3/16 in.)

CDX-L250

SEL

MODE

SRC

ATT

SENS

1

DISC

OFF

MBP

65432

BTM DSPL

REP SHUF BL SKIP ATA MTL

SEEK

AMS

SOURCE

D-BASS

D

Location of controls

1Volume +/– button

2MODE button

3SRC (SOURCE) (TUNER/CD) button

4SEL (select) button

5Display window

6

MBP (My Best sound Position) button

7D (D-BASS) button

8Z (eject) button

9Reset button

Refer to the pages listed for details. Radio

The unit can store up to 6 stations per band

(FM1, FM2, FM3, and AM1, AM2).

Caution

When tuning in stations while driving, use Best

Tuning Memory to prevent accidents.

Storing stations

automatically

— Best Tuning Memory (BTM)

The unit selects the stations with the strongest

signals within the selected band, and stores

them in the order of their frequency.

1 Press (SRC) repeatedly to select the

radio.

2 Press (MODE) repeatedly to select the

band.

3 Press (BTM) for 2 seconds.

The unit stores stations in the order of their

frequencies on the number buttons. A beep

sounds when the setting is stored.

Notes

• If only a few stations can be received due to weak

signals, some number buttons will retain their

former settings.

• When a number is indicated in the display, the unit

starts storing stations from the one currently

displayed.

Storing only the desired

stations

You can manually preset the desired stations on

any chosen number button.

1Press (SRC) repeatedly to select the

radio.

2Press (MODE) repeatedly to select the

band.

3Press either side of (SEEK/AMS) to tune in

the station that you want to store.

4Press the desired number button ((1) to

(6)) until “MEM” appears.

The number button indication appears in the

display.

Note

If you try to store another station on the same

number button, the previously stored station will be

erased.

CD Player

Playing a disc

Insert the disc (labeled side up).

Playback starts automatically.

If a disc is already inserted, press (SRC)

repeatedly until “CD” appears to start playback.

To Press

Stop playback Z or (OFF)

Eject the disc Z

Skip tracks (SEEK/AMS) (./>)

– Automatic [once for each track]

Music Sensor

Fast-forward/ (SEEK/AMS) (m/M)

reverse [hold to desired point]

– Manual Search

Note

When the last track on the disc is over, playback

restarts from the first track of the disc.

Display items

When the disc/track changes, any prerecorded

title of the new disc/track is automatically

displayed.

Source

Track number

To Press

Switch display (DSPL)

item

Playing tracks repeatedly

— Repeat Play

The current track will repeat itself when it

reaches the end.

During playback, press (3) (REP)

repeatedly until “REP” indicator appears

in the display.

Repeat Play starts.

To return to normal play mode, press (3) (REP)

again.

Playing tracks in random

order — Shuffle Play

You can select to play the tracks on the current

disc in random order.

During playback, press (4) (SHUF)

repeatedly until “SHUF” indicator appears

in the display.

Shuffle Play starts.

To return to normal play mode, press (4)

(SHUF) again.

q; ATT (attenuate) button

qa SENS button

qs Number buttons

(3) REP

(4) SHUF

qd BTM (Best Tuning Memory) button

qf DSPL (display mode change) button

qg OFF button*

qh SEEK/AMS +/– button

*Warning when installing in a car

without an ACC (accessory) position on

the ignition key switch

Be sure to press (OFF) on the unit for 2

seconds to turn off the clock display after

turning off the engine.

Otherwise, the clock display does not turn off

and this causes battery drain.

Displayable items

•Clock

•Elapsed playing time

Quickly attenuating the

sound

Press (ATT).

The “ATT” indicator appears in the display.

To restore the previous volume level, press

(ATT) again.

Canceling the beep sound

Press (6) while pressing (SEL) down.

To activate the beep sound again, press these

buttons again.

Note

If you connect an optional power amplifier and do

not use the built-in amplifier, the beep sound will be

deactivated.

Other Functions

Adjusting the sound

characteristics

You can adjust the bass, treble, balance, and

fader.

The bass and treble levels can be stored

independently for each source.

1Select the item you want to adjust by

pressing (SEL) repeatedly.

Each time you press (SEL), the item changes

as follows:

BAS (bass) t TRE (treble) t

BAL (left-right) t FAD (front-rear)

2Adjust the selected item by pressing

either side of the volume +/– button.

Note

Adjust within 3 seconds after selecting the item.

Receiving the stored

stations

1Press (SRC) repeatedly to select the

radio.

2Press (MODE) repeatedly to select the

band.

3Press the number button ((1) to (6)) on

which the desired station is stored.

If preset tuning does not work

— Automatic tuning/ Local Seek Mode

Automatic tuning:

Press either side of (SEEK/AMS) to search

for the station.

Scanning stops when the unit receives a

station. Press either side of (SEEK/AMS)

repeatedly until the desired station is

received.

Local Seek Mode:

If the automatic tuning stops too

frequently, press (SENS) repeatedly until

“LCL” indicator appears.

“LCL” indicator is displayed.

Only the stations with relatively strong

signals will be tuned in.

Tip

If you know the frequency of the station you want

to listen to, press either side of (SEEK/AMS) until the

desired frequency appears (manual tuning).

Selecting the sound

position

— My Best sound Position (MBP)

When you drive without passengers, you can

enjoy the most comfortable sound environment

with “My Best sound Position.”

“My Best sound Position” has two presets,

which adjust the sound level of balance and

fader. You can select one very easily with the

MBP button.

Press (MBP) repeatedly for the desired

listening position.

The mode of “My Best sound Position” is

shown in the display in order of the table.

If you want to adjust the sound level of

balance and fader more precisely, you can do

it using the (SEL) button (See “Adjusting the

sound characteristics”).

Notes

• When the BAL (balance) or FAD (fader) in

"Adjusting the sound characteristics" is adjusted,

the MBP setting returns OFF.

• When MBP is set to OFF, the BAL and FAD setting

is activated.

Display

window

MBP-A

MBP-B

MBP-OFF

Right

– 4dB

0

0

Left

0

– 4dB

0

Front

0

0

0

Rear

– 4dB

– 4dB

0

Balance Level Fader Level

0dB

D.BASS-3

D.BASS-2

D.BASS-1 D.BASS-3

D.BASS-2

D.BASS-1

Level

Frequency (Hz)

If FM stereo reception is poor

— Monaural Mode

During radio reception, press (SENS)

repeatedly until “MONO” indicator

appears.

“MONO” indicator is displayed.

The sound improves, but becomes monaural

(“ST” disappears).

To return to normal, press (SENS) again.

Boosting the bass sound

— D-bass

You can enjoy a clear and powerful bass sound.

The D-bass function boosts the low frequency

signal and high frequency signal with a sharper

curve than conventional bass boost.

You can hear the bass line more clearly even

while the vocal volume remains the same. You

can emphasize and adjust the bass sound easily

with (D) (D-BASS) button.

Adjusting the bass curve

Press (D) (D-BASS) repeatedly to select

the desired bass curve.

As the D-BASS number increases so does the

effect.

Note

The bass sound may distort at same volume. If the

bass sound distorts, select less effective bass curve.

CD playback

A disc cannot be loaded.

• Another CD is already loaded.

• The CD is forcibly inserted upside down or

in the wrong way.

Playback does not begin.

• Dirty or defective disc.

• CD-R that is not finalized.

• You tried to playback a CD-R not designed

for audio use.

• Some CD-Rs may not play due to its

recording equipment or the disc condition.

A disc is automatically ejected.

The ambient temperature exceeds 50°C.

CD will not be ejected.

The operation buttons do not function.

Press the reset button.

The sound skips from vibration.

• The unit is installed at an angle of more than

60°.

• The unit is not installed in a sturdy part of

the car.

The sound skips.

Dirty or defective disc.

Radio reception

Preset tuning is not possible.

• Store the correct frequency in the memory.

• The broadcast signal is too weak.

The stations cannot be received.

The sound is hampered by noises.

• Connect a power antenna control lead (blue)

or accessory power supply lead (red) to the

power supply lead of a car’s antenna

booster. (Only when your car has built-in

FM/AM antenna in the rear/side glass.)

• Check the connection of the car antenna.

• The auto antenna will not go up.

t Check the connection of the power

antenna control lead.

• Check the frequency.

Automatic tuning is not possible.

• The local seek mode is set to “ON.”

t Set the local seek mode to “OFF”.

• The broadcast signal is too weak.

t Perform manual tuning.

The “ST” indication flashes.

• Tune in the frequency accurately.

• The broadcast signal is too weak.

t Set to the monaural reception mode.

Troubleshooting

The following checklist will help you remedy

problems you may encounter with your unit.

Before going through the checklist below, check

the connection and operating procedures.

General

No sound.

• Adjust the volume with volume + button.

• Cancel the ATT function.

• Set the fader control to the center position

for a 2-speaker system.

The contents of the memory have been

erased.

• The reset button has been pressed.

t Store again into the memory.

• The power cord or battery has been

disconnected.

• The power connecting cord is not connected

properly.

No beep sound.

• An optional power amplifier is connected

and you are not using the built-in amplifier.

• The beep sound is canceled.

Indications disappear from/do not appear in

the display.

• The clock display disappears if you press

(OFF) for 2 seconds.

tPress (OFF) again for 2 seconds to

display the clock.

Stored stations and correct time are erased.

The fuse has blown.

Makes noise when the ignition key is in the

ON, ACC, or OFF position.

The leads are not matched correctly with the

car’s accessory power connector.

No power is being supplied to the unit.

• Check the connection. If everything is in

order, check the fuse.

• The car does not have an ACC position.

t Press (SRC) (or insert a disc) to turn on

the unit.

The power is continuously supplied to the

unit.

The car does not have an ACC position.

The power antenna does not extend.

The power antenna does not have a relay box.

A program broadcast in stereo is heard in

monaural.

The unit is in monaural reception mode.

tCancel monaural reception mode.

Error displays

Error displays

The following indications will flash for a while.

E-04

A CD is dirty or inserted upside down.

tClean or insert the CD correctly.

E-99

The CD unit cannot be operated because of

some problem.

tPress the reset button on the unit.

If these solutions do not help improve the

situation, consult your nearest Sony dealer.