CDX-MP40

3-14. SCHEMATIC DIAGRAM — RELAY, KEY SECTION (US, Canadian MODEL) —

 

 

 

R966

 

R967

R940

R972

R974

 

R976

 

R978

R980

 

R982

R951

 

 

 

 

 

 

R941

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW901(2/2)

LSW914(2/2)

 

LSW910(2/2)

 

LSW905(2/2)

LSW902(2/2)

C951

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC951

 

 

 

 

 

 

 

LED910

LED911

 

 

 

 

LED906

 

 

 

D951

 

 

 

 

 

 

 

 

 

 

LSW912(2/2)

LSW915(2/2)

 

LSW909(2/2)

LSW906(2/2)

LED904

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R952

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C954

R958

IC901

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C956

R962

 

 

 

 

 

 

 

 

LSW911(2/2)

 

 

 

 

 

 

 

LED905

 

 

 

 

 

 

 

 

 

LSW916(2/2)

 

LSW908(2/2)

LED902

LSW903(2/2)

C955

R959

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C953

R960

 

 

 

 

R968

 

R969

R942

R943

 

 

 

 

 

 

 

 

R957

 

 

 

 

 

 

 

 

 

 

 

 

 

C952

R953

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW913(2/2)

LSW917(2/2)

 

 

 

 

 

 

 

 

R954

 

 

 

 

 

 

 

 

 

 

LSW907(2/2)

LED903

LSW904(2/2)

LED901

 

R955

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R956

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R961

 

 

 

 

 

 

 

 

 

R973

R975

 

R977

 

R979

R981

 

R983

D905

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S902

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW901(1/2)

R901

LSW913(1/2)

R912

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R932

 

 

 

LED931

 

CNP902

CN901

 

 

 

 

 

 

 

R913

 

 

C973

R931

 

 

 

 

S931

 

 

 

 

 

S901

R902

LSW911(1/2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CNP903

R930

 

 

 

LED930

 

 

 

 

 

 

 

S903

R903

 

R914

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW912(1/2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D907

D906

D905

D904

D903

D902

D901

 

 

 

D907

 

 

LSW903(1/2)

R904

 

 

 

 

 

 

 

 

 

 

 

 

R915

 

 

 

 

 

 

 

 

 

 

 

LSW914(1/2)

 

 

 

 

 

 

 

 

 

 

C974

 

 

 

 

 

LSW904(1/2)

R905

 

R917

 

LCD901

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW915(1/2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW905(1/2)

R906

 

 

 

 

(Page 30)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R918

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW916(1/2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW906(1/2)

R907

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R919

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW917(1/2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW902(1/2)

R908

 

R920

 

 

 

 

 

 

 

 

 

 

 

D901

D902

D903

D904

 

 

 

LSW910(1/2)

 

 

 

 

 

 

 

 

 

 

 

 

LSW907(1/2)

R909

LSW909(1/2)

R916

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSW908(1/2)

R910

 

 

Note:

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

no mark : FM

33 33

Page 33
Image 33
Sony CDX-MP40 service manual Schematic Diagram RELAY, KEY Section US, Canadian Model

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.