Specifications, Troubleshooting, Specifications troubleshooting – Sony CDX-A250 User Manual

Page 16

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16

Specifications

CD Player section

Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and flutter: Below measurable limit

Tuner section

FM

Tuning range: 87.5 – 108.0 MHz
Aerial terminal: External aerial connector
Intermediate frequency: 10.7 MHz/450 kHz
Usable sensitivity: 9 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 67 dB (stereo), 69 dB (mono)
Harmonic distortion at 1 kHz: 0.5 % (stereo),

0.3 % (mono)

Separation: 35 dB at 1 kHz
Frequency response: 30 – 15,000 Hz

MW/LW

Tuning range:

MW: 531 – 1,602 kHz
LW: 153 – 279 kHz

Aerial terminal: External aerial connector
Intermediate frequency: 10.7 MHz/450 kHz
Sensitivity: MW: 30 µV, LW: 40 µV

Power amplifier section

Outputs: Speaker outputs (sure seal connectors)
Speaker impedance: 4 – 8 ohms
Maximum power output: 50 W

× 4 (at 4 ohms)

General

Outputs:

Audio outputs terminal (sub/rear switchable)
Power aerial relay control terminal
Power amplifier control terminal

Inputs:

Aerial input terminal
AUX input jack (stereo mini jack)

Tone controls:

Low: ±10 dB at 60 Hz (XPLOD)
Mid: ±10 dB at 1 kHz (XPLOD)
High: ±10 dB at 10 kHz (XPLOD)

Power requirements: 12 V DC car battery

(negative earth)

Dimensions: Approx. 178

Ч 50 Ч 178 mm (w/h/d)

Mounting dimensions: Approx. 182

Ч 53 Ч 162 mm

(w/h/d)

Mass: Approx. 1.2 kg
Supplied accessories:

Card remote commander: RM-X151
Parts for installation and connections (1 set)

Your dealer may not handle some of the above
listed accessories. Please ask the dealer for
detailed information.

Design and specifications are subject to change
without notice.

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.

US and foreign patents licensed from Dolby
Laboratories.

General

No power is being supplied to the unit.

• Check the connection. If everything is in order, check

the fuse.

• If the unit is turned off and the display disappears, it

cannot be operated with the remote commander.

t Turn on the unit.

The power aerial does not extend.

The power aerial does not have a relay box.

No sound.

• The volume is too low.
• The ATT function is activated (page 7).
• The position of the fader control “FAD” is not set for

a 2-speaker system.

No beep sound.

• The beep sound is cancelled (page 11).
• An optional power amplifier is connected and you are

not using the built-in amplifier.

The contents of the memory have been erased.

• The RESET button has been pressed.

t Store again into the memory.

• The power connecting lead or battery has been

disconnected.

• The power connecting lead is not connected properly.

Stored stations and correct time are erased.
The fuse has blown.
Makes noise when the position of the ignition
key is switched.

The leads are not matched correctly with the car’s
accessory power connector.

MPEG Layer-3 audio coding technology and
patents licensed from Fraunhofer IIS and
Thomson.

• Lead-free solder is used for soldering certain

parts. (more than 80 %)

• Halogenated flame retardants are not used in the

certain printed wiring boards.

• Halogenated flame retardants are not used in

cabinets.

• Packaging cushions do not use polystyrene foam.

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