CDX-MP40

3-17. IC BLOCK DIAGRAMS

 

IC1 µPD63711GC-8EU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGCO

RFI

C3T

ASY

EFM

AVDD

7E DAC3

7D DAC2

7C DAC1

7F DAC0

MD

SD

TD

FD

AGND

ATEST

TEST1

TEST0

DGND

TSTB

TSCK

TSI

TSO

PACK

DVDD

 

 

 

75

74

73

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

 

 

AGCI

76

EFM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MICROCOMPUTER INTERFACE

 

50

C2D3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RFO

77

COMPARATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CD-TEXT DECODER

 

ERROR CORRECTION PROCESSOR

49

C2D2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EQ2

78

 

 

EFM

 

 

 

 

 

D/A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48

C2D1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUB-CODE PROCESSOR

 

 

 

EQ1

79

 

 

 

 

 

 

 

 

 

 

 

 

 

MEMORY

 

 

16K

 

47

C1D2

RF-

80

 

 

 

 

AUTO GAIN

 

 

 

FD/TD/SD/MD

 

PROCESSOR

SRAM

 

 

 

 

 

 

46

C1D1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROLLER

 

 

 

CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGND

81

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

DGND

A

82

 

 

 

 

 

 

 

ADDER

 

 

 

 

 

 

 

EFM DEMODULATOR

 

 

DIGITAL PLL

44

PLCK

 

FEOFS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43

MIRR/WFCK

C

83

 

TEOFS

 

SVDRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

84

 

 

 

 

 

MULTIPLIER

SVCRAM

 

 

 

 

TIMING GENERATOR

 

 

 

 

 

42

RFCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

85

RF

 

 

 

 

 

 

SVROM

ROM

 

 

 

 

 

 

 

 

 

 

 

 

 

41

LOCK

 

 

AMP BLOCK

 

 

 

 

 

 

DECODER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

86

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

DVDD

E

87

 

 

EFM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

39

TSOI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AVDD

88

 

 

 

 

 

 

 

CLV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38

C16M

 

 

 

 

 

 

PROCESSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFOUT

89

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIGITAL

37

DGND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FE-

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO

36

TX

 

 

 

 

 

 

DEFECT

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERFACE

 

 

DEFECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FEO

91

 

 

 

 

COMPARATOR

 

 

 

 

 

 

 

 

 

D/A

 

 

 

 

 

35

HOLD/WDCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FOK

 

 

A/D CONVERTER

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERFACE

 

 

 

 

 

 

 

TE-

92

 

 

 

RFENV

 

 

 

 

 

 

 

 

 

 

CIRCUIT

 

 

 

 

OUTPUT PROCESSOR

34

LRCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEO

93

A3T

 

 

 

MIRENV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33

LRCKIN

 

 

 

 

 

 

 

 

 

 

 

 

 

DE-EMPHASIS CIRCUIT

 

 

 

MIRR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TE2

94

 

 

 

 

TRACKING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

SCKO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FEO

 

 

 

 

REGISTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCKIN

TEC

95

 

 

 

 

FOCUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31

TEO

 

 

 

 

 

 

 

 

 

 

 

 

 

OCTUPLED

 

 

 

 

 

 

 

 

 

 

REGISTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGND

96

 

 

 

 

 

 

 

 

 

 

 

OVERSAMPLING DIGITAL FILTER

 

 

30

DOUT

 

 

COMPARATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PD

97

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOISE SHAVER

NOISE SHAVER

 

 

 

29

DIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LD

98

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

FLAG

PN

99

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT BUFFER

OUTPUT BUFFER

 

 

 

27

EMPH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AVDD

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

DVDD

 

IC2 BA5810FP-E2

 

 

 

 

 

 

 

 

FWD

1

 

 

 

 

 

 

 

 

 

28

BIAS

REV

2

 

 

LOADING PRE

 

 

 

 

+

 

27

OPIN4+

 

 

FWD REV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

OPIN4–

 

 

 

 

 

 

 

 

 

 

LDCONT

3

 

X3

 

 

 

 

 

 

 

 

 

PS

4

 

POWER

 

 

 

 

 

 

25

OPOUT4

 

SAVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN1

5

 

 

7.5k

7.5k

 

 

 

+

 

24

OPIN3+

IN2

6

 

 

 

 

 

 

23

OPIN3–

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PREVCC

– +

+

 

 

 

 

 

 

 

 

(PRE.LOADING)

16k

 

16k

 

 

 

 

22

OPOUT3

PREVCC

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

7.5k

 

 

 

7.5k

 

 

 

 

 

 

 

POWVCC12

 

 

 

 

 

 

 

 

 

 

(CH1.CH2)

 

 

 

 

 

CH1-4

 

 

 

 

 

 

 

– +

 

+

 

 

21

MUTE

POWVCC

8

 

16k

 

16k

MUTE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWVCC34

 

 

 

VOL–

9

 

 

 

 

 

 

(CH3,CH4)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20 POWVCC

VOL+

10

 

 

 

 

 

 

 

 

 

19

GND

 

 

10k

10k

 

 

 

 

10k

10k

 

 

VO2–

11

LEVEL

 

LEVEL

 

18

VO3–

 

 

 

+

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

VO2+

12

 

+

SHIFT

 

SHIFT

 

+

 

17

VO3+

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

10k

10k

 

 

 

 

10k

 

 

 

 

 

 

 

 

 

10k

10k

 

 

 

 

10k

10k

 

 

VO1–

13

 

 

 

 

 

16

VO4–

 

+

LEVEL

LEVEL

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VO1+

14

 

+

SHIFT

SHIFT

 

 

+

 

15

VO4+

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

10k

 

 

 

 

10k

 

 

 

 

10k

 

 

 

IC12 TC7SH08FU-TE85R

IN B

5

VCC

1

OUT

IN A

4

2

 

GND

3

 

 

IC803 MM1175XFF

 

 

BUSON

1

 

14

VCC

RST

2

RESET

13

RST

SWITCH

 

 

 

 

BATT

3

BATT

12

BUSON

SWITCH

 

 

 

 

CLK

4

 

11

CLK-IN

VREF

5

 

10

B/U-C

DATA

6

 

9

DATA IN

I/O

 

 

 

 

 

GND

7

 

8

DATA OUT

 

 

MICROCOMPUTER INTERFACE

 

 

 

 

 

 

 

SCF

 

 

 

 

 

 

 

OSC

 

 

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

DGND

RFOK

RST

A0

STB

SCK

SO

SI

XTALEN

DVDD

DAVDD

ROUT

DAGND

REGC

DAGND

LOUT

DAVDD

R+

R–

L–

L+

XVDD

XTAL

XTAL

XGND

IC601 SAA6588T/V2-518

 

 

 

 

 

 

 

LVIN

CIN

SCOUT

 

 

 

VREF

MPX

VSSA

VDDA

AFIN

MAD PSWN

 

20

19

18

 

 

 

17

16

15

14

13

12 11

 

 

 

 

 

 

 

 

 

POWER SUPPLY

PAUSE

 

MULTI

 

 

 

 

 

 

& RESET

DETECTOR

 

PATH

 

 

 

57kHz

 

 

 

 

 

 

DETECTOR

 

 

8th ORDER

 

 

 

 

 

 

 

 

 

BAND-PASS FILTER

 

 

 

 

 

 

 

CLOCKED

 

 

 

 

 

SIGNAL QUALITY

 

 

 

 

 

COMPARATOR

 

 

 

 

DECODER

 

 

 

 

 

 

 

 

 

 

 

4

5

4

 

 

 

 

 

 

 

 

 

CLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

CLOCK

 

 

 

 

RDS/RDBS

 

RDS/RDBS

 

 

INTERFACE

DATA

 

 

 

 

DEMODULATOR

DECODER

 

 

REGISTER

 

 

 

 

 

 

 

 

 

DATA

 

 

 

 

 

 

TEST

OSCILLATOR

 

 

 

 

 

IIC BUS SLAVE

 

 

 

CONTROL

& CLOCK

 

 

 

 

 

TRANSCEIVER

 

1

2

3

4

5

6

7

8

 

 

9

10

 

MRO

MPTH

TCON

OSCO

OSCI

VSSD

VDDD

DAVN

 

 

SDA

SCL

 

36 36

Page 36
Image 36
Sony CDX-MP40 service manual IC Block Diagrams, IC12 TC7SH08FU-TE85R

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.