Sony CDX-L250 User Manual

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.

3-227-610-11 (1)

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),

Harmonic distortion at 1 kHz

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

68 dB (mono)

0.7 % (stereo),

0.5 % (mono)

Power amplifier section

Outputs Speaker outputs

Speaker impedance 4 – 8 ohms
Maximum power output 45 W × 4 (at 4 ohms)

(sure seal connectors)

General

Outputs Audio output

Tone controls Bass ±10 dB at 20 Hz

Power requirements 12 V DC car battery

Dimensions Approx.

Mounting dimensions Approx. 182 × 53 × 161 mm

Mass Approx. 1.2 kg (2 lb. 10 oz.)
Supplied accessory Parts for installation and

Design and specifications are subject to change
without notice.

Power amplifier control
Power antenna relay control

Treble ±10 dB at 20 kHz

(negative earth)

178

× 50 ×

1

/8 × 2 × 7 in.)

(7
(w/h/d)

1

/4 × 2 1/8 × 6

(7
(w/h/d)

connections (1 set)

176 mm

3

/8 in.)

FM/AM
Compact Disc
Player

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. CDX-L250 Serial No.

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.

Reset button

Note

Pressing the reset button will erase the clock setting
and some stored contents.

Setting the clock

The clock uses a 12-hour digital indication.

Example: To set the clock to 10:08

1 Press (DSPL) for 2 seconds.

The hour indication flashes.

1 Press either side of the volume +/–

button to set the hour.

2 Press (SEL).

The minute indication flashes.

3 Press 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.

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

CDX-L250

Sony Corporation 2001 Printed in Korea

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.

Welcome !

Thank you for purchasing this Sony Compact
Disc Player. You can enjoy its various features.

CAUTION

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

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.

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.

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.

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.

•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.

Removing the unit

1 Insert 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.

2 Insert 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.

Fuse (10 A)

Warning

Never use a fuse with an amperage rating
exceeding the one supplied with the unit as this
could damage the unit.

10 mm (13/32 in.)

90°

4 mm (

3

/16 in.)