CDX-MP40

• Refer to page 23 for Waveforms.

3-11. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 36 for IC Block Diagram.

(Page 29)

R707

R706

R705

IC701

C716IC902

C715 C718

CNP701

R702

D920

C704 R708

D701

C705

L701

C816

(Page

26)

C719 C712

L702

C713 C703 C714 L703

Q916Q912

Q913

R927

R926

D925

Q915 Q914

D927

D926 C916

 

 

 

 

 

 

D810

 

R824

 

 

FB801

 

 

 

 

 

 

 

 

 

 

 

R823

R821

R822

C818

C812

C813

 

 

 

 

 

 

Q803

 

 

R827

 

 

 

 

C802

 

C821

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R812

R868

 

 

 

 

 

 

C815

 

 

 

 

 

 

 

 

R825

 

 

 

 

 

R866

R867

 

 

 

 

 

 

R813

 

 

 

 

 

 

 

R814

 

 

 

 

 

 

 

R815

 

 

 

 

 

 

 

X802

 

 

 

 

 

 

 

 

C808

 

 

 

 

 

 

 

C809

D807

 

 

 

 

 

 

 

 

 

 

IC801

 

C822

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R816

 

 

 

 

 

 

 

C823

X801

 

D819

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JR801

 

 

 

 

 

 

 

 

D809

R820

 

 

 

 

R817

 

 

 

 

 

 

R818

 

JR805

 

 

 

 

 

 

 

 

 

 

 

 

R819

 

 

 

 

 

 

C810

 

 

 

 

 

 

 

R834

 

 

 

 

 

 

R832

 

 

 

R830

R829

 

 

 

 

 

 

 

C825

 

 

 

 

 

 

 

R870

R836

 

R831

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R828

 

 

 

R835

 

 

C826

C827

 

 

 

 

 

 

 

 

 

 

 

 

 

S801

S802

 

 

 

 

 

 

 

R801

 

 

R802

 

 

 

 

 

 

 

D801

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D802

 

D808

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q801

Q804

 

 

 

D818

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC B/D

 

 

D805

TH900

 

 

 

 

 

 

 

 

IC803

D804

D806

CNJ801

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R826

R804

 

 

 

 

 

 

 

 

 

R805

C804

 

 

 

 

C805

 

 

 

 

 

 

C803

 

 

 

 

 

 

 

R843

 

 

 

 

 

 

 

 

 

 

Q805

 

Q802

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q806

 

 

R806

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CNP801

 

 

 

 

 

 

 

Q918

 

 

R807

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R918

 

 

R914

 

 

 

 

 

 

 

 

12

 

 

Q923

 

 

 

 

 

 

2W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R915

 

 

 

 

 

 

 

 

 

 

Q919

 

 

 

 

 

 

 

 

 

 

 

 

Q924

 

 

 

 

 

 

 

 

 

 

 

JR906

 

 

 

 

 

 

 

 

 

 

CNP802

 

 

 

 

 

 

 

 

R833

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Page 33)

 

 

 

 

 

 

 

 

 

 

 

(Page 35)

 

 

D815

D814

D813

D812

D811

C811

 

 

 

 

D817

D816

JW174

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FB701

 

 

 

 

 

• Semiconductor Location

Ref. No.

Location

 

Ref. No.

Location

 

Ref. No.

Location

 

Ref. No.

Location

 

Ref. No.

Location

 

Ref. No.

Location

 

Ref. No.

Location

D701

F-5

 

D814

J-3

 

D908

C-5

 

D925

G-9

 

Q401

C-4

 

Q902

D-6

 

Q914

E-7

D801

G-9

 

D815

J-3

 

D909

C-9

 

D926

C-10

 

Q402

C-3

 

Q903

E-7

 

Q915

G-9

D802

G-9

 

D816

I-2

 

D910

D-8

 

D927

E-7

 

Q403

C-3

 

Q904

D-5

 

Q916

E-7

D804

D-9

 

D817

J-2

 

D911

C-8

 

 

 

 

Q404

C-4

 

Q905

D-5

 

Q917

E-9

D805

D-9

 

D818

G-8

 

D912

C-8

 

IC401

E-3

 

Q602

H-3

 

Q906

F-10

 

Q918

G-10

D806

D-9

 

D819

F-5

 

D915

D-6

 

IC501

B-5

 

Q801

H-9

 

Q907

G-9

 

Q919

H-10

D807

I-4

 

D901

C-6

 

D916

E-7

 

IC601

H-3

 

Q802

F-9

 

Q908

F-10

 

Q920

E-10

D808

G-8

 

D902

C-6

 

D917

G-10

 

IC701

F-7

 

Q803

H-8

 

Q909

D-9

 

Q921

F-10

D809

I-2

 

D903

C-6

 

D918

F-2

 

IC801

H-7

 

Q804

F-9

 

Q910

E-9

 

Q922

F-8

D810

G-8

 

D904

C-6

 

D919

E-2

 

IC802

I-10

 

Q805

G-9

 

Q911

F-2

 

Q923

D-5

D811

J-3

 

D905

C-5

 

D920

G-6

 

IC803

F-9

 

Q806

F-9

 

Q912

C-10

 

Q924

D-4

D812

J-2

 

D906

B-7

 

D921

D-5

 

IC902

F-4

 

Q901

D-6

 

Q913

E-8

 

 

 

D813

J-2

 

D907

B-7

 

D923

C-7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:

Voltage is dc with respect to ground under no-signal conditions.

no mark : FM

( ) : AM/MW/LW

<> : CD PLAY

30 30

Page 30
Image 30
Sony CDX-MP40 service manual Semiconductor Location

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.