SERVICE MANUAL

CDX-MP40

US Model

Ver 1.0 2003. 01

Canadian Model

AEP Model

 

 

UK Model

• The tuner and CD sections have no adjustments.

AUDIO POWER SPECIFICATIONS (US Model)

POWER OUTPUT AND TOTAL HARMONIC DISTORTION

23.2watts 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.

Model Name Using Similar Mechanism

NEW

 

 

CD Drive Mechanism Type

MG-393MC-121

 

 

Optical Pick-up Name

KSS-721A

 

 

SPECIFICATIONS

CD player section

Signal-to-noise ratio

90 dB

Frequency response

10 – 20,000 Hz

Wow and flutter

Below measurable limit

Tuner section

FM

 

 

Tuning range

87.5

– 107.9 MHz (US, Canadian Model)

 

87.5

– 108.0 MHz (AEP, UK Model)

Antenna terminal

External antenna 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

AM (US, Canadian Model)

 

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 52 W 4 (at 4 ohms) (US, Canadian Model)

 

50 W 4 (at 4 ohms) (AEP, UK Model)

General

 

Outputs

Audio outputs (front/rear)

 

Power antenna relay control terminal

 

Power amplifier control terminal

Inputs

Telephone ATT control terminal

 

BUS control input terminal

 

BUS audio input terminal

 

Remote controller input terminal

 

Antenna input terminal

Tone controls

Low: ±10 dB at 60 Hz (XPLOD)

 

Mid: ±10 dB at 1 kHz (XPLOD)

 

High: ±10 dB at 10 kHz (XPLOD)

 

– Continued on next page –

MW/LW (AEP, UK Model)

 

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

FM/AM COMPACT DISC PLAYER

US, Canadian Model

FM/MW/LW COMPACT DISC PLAYER

AEP, UK Model

9-877-000-01Sony Corporation

2003A0400-1e Vehicle Company

© 2003. 01

Published by Sony Engineering Corporation

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Sony CDX-MP40 service manual Specifications, New

CDX-MP40 specifications

The Sony CDX-MP40 is a versatile car audio receiver designed to enhance the in-car listening experience. Known for its combination of modern features and reliable performance, this model has gained popularity among music enthusiasts who value both functionality and sound quality.

At the core of the CDX-MP40 is its CD playback capability, allowing drivers to enjoy their favorite albums on the go. The device is compatible with CD-Rs and CD-RWs, ensuring a wide range of playback options. In addition to traditional CDs, the CDX-MP40 stands out with its MP3 playback capability, enabling users to load hundreds of tracks onto a single disc. This eliminates the clutter of multiple CDs, making music access more convenient during long drives.

One of the key features of the CDX-MP40 is its front auxiliary input, which allows for seamless connection of external devices such as smartphones and MP3 players. This connectivity expands the range of audio sources available to users and makes it easy to stream music from various devices. Moreover, the receiver offers an option for optional USB connectivity, providing even more versatility for music playback.

The CDX-MP40 also benefits from advanced technologies to improve sound quality. With 52 watts of peak power per channel, this unit delivers robust audio performance that can fill any car with rich sound. The built-in EQ (equalizer) presets allow users to customize their audio settings based on musical preferences, while the additional power output ensures that even at high volumes, the sound remains clear and undistorted.

Safety and usability are also prioritized in the design of the CDX-MP40. The user interface is straightforward, featuring a large, easy-to-read display and intuitive controls, making it user-friendly for drivers. The electronic skip protection feature minimizes playback interruptions, ensuring a smooth listening experience even on bumpy roads.

In summary, the Sony CDX-MP40 is a well-rounded car audio solution, equipped with essential features such as CD and MP3 playback, auxiliary input, and USB connectivity. With powerful audio performance and user-friendly controls, it caters to a wide array of audio preferences, making it an excellent choice for anyone looking to upgrade their in-car entertainment system. Its blend of modern technology and classic functions establishes the CDX-MP40 as a reliable option for car audio enthusiasts.