CDX-M800

4-15. IC BLOCK DIAGRAMS

 

IC1 µPD63711GC-8EU (SERVO Board)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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-

 

 

 

 

 

AUTO GAIN

 

 

FD/TD/SD/MD

 

PROCESSOR

SRAM

 

 

 

 

 

 

 

C1D1

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

46

 

 

 

 

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

 

MICROCOMPUTER INTERFACE

 

 

 

 

 

 

SCF

 

 

 

 

 

 

OSC

 

 

26

DVDD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

IC2 BA5810FP-E2 (SERVO Board)

 

 

 

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–

 

 

 

 

VO3–

11

+

LEVEL

 

LEVEL

 

+

18

 

 

 

 

 

 

 

 

VO2+

12

+

SHIFT

 

SHIFT

 

+

17

VO3+

 

 

 

 

 

10k

 

 

 

10k

10k

 

 

10k

 

 

 

 

 

 

10k

10k

 

 

 

10k

10k

 

VO1–

 

 

 

 

VO4–

13

+

LEVEL

LEVEL

 

+

16

 

 

 

 

 

 

 

VO1+

14

+

SHIFT

SHIFT

 

+

15

VO4+

 

 

 

 

 

10k

 

 

 

 

10k

 

 

10k

 

 

 

10k

 

 

IC502 SAA6588T (MAIN Board (1/2))

 

 

 

 

IC301 BA8270F (MAIN Board (2/2))

 

LVIN

CIN

SCOUT

 

 

 

VREF

MPX

VSSA

VDDA

AFIN

MAD PSWN

 

 

 

 

 

 

20

19

18

 

 

 

17

16

15

14

13

12 11

BUSON

1

BUS ON

14

VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER SUPPLY

PAUSE

 

 

 

RESET

 

 

MULTI

 

 

 

 

 

 

& RESET

DETECTOR

 

RST

2

13

RST

PATH

 

 

 

57kHz

 

 

 

 

 

 

 

 

SWITCH

12

BUSON

 

 

 

 

 

 

 

 

 

 

 

 

DETECTOR

 

 

8th ORDER

 

 

 

 

 

 

 

 

11

CLK-IN

 

 

 

 

BAND-PASS FILTER

 

 

 

 

 

 

 

BATTERY

 

 

 

 

 

 

 

 

 

BATT

3

10

B/U-C

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLOCKED

 

 

 

 

 

SIGNAL QUALITY

 

 

 

 

 

 

 

 

 

 

COMPARATOR

 

 

 

 

DECODER

 

 

 

CLK

4

 

 

 

 

 

 

 

 

 

 

 

4

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

VREF

5

 

 

 

 

 

 

 

 

 

 

CLOCK

 

 

 

 

DATA

6

 

9

DATA IN

 

 

 

 

 

 

 

 

 

CLOCK

 

 

 

 

 

RDS/RDBS

 

RDS/RDBS

 

 

INTERFACE

 

 

 

I/O

 

 

 

 

 

 

 

 

 

DATA

 

 

GND

7

 

8

DATA OUT

 

 

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

 

IC307 BA6288FS (MAIN Board (2/2))

GND

1

 

 

16

RNF

NC

2

DRIVER

DRIVER

15

NC

OUT1

3

 

CONTROL LOGIC

14

OUT2

M BATT

4

 

13

NC

VCC

5

POWER

12

VREF

SAVE

CLOSE

6

 

 

11

OPEN

NC

7

 

 

10

NC

NC

8

 

TSD

9

NC

IC800 LM2577SX-ADJ (MAIN Board (2/2))

CURRENT LIMIT,

 

 

 

 

 

THERMAL LIMIT,AND

 

 

 

 

UNDERVOLTAGE SHUTDOWN

 

 

 

LOGIC

 

 

DRIVER

 

 

 

 

 

STAGE

 

 

 

 

 

 

 

 

 

52kHz

 

 

CORRECTIVE

 

 

 

OSCILLATION

 

 

 

 

RAMP VOLTAGE

 

 

 

 

 

 

 

 

 

 

AMP

 

 

 

 

 

 

 

 

 

COMPARATOR

 

 

CURRENT

 

 

 

 

 

SENSE

 

 

 

 

 

 

VOLTAGE

 

 

 

SOFT

 

 

1.25V

CURRENT

 

2.5V

START

 

 

 

ERROR

REF.

SENSE

 

REGULATOR

 

 

 

AMP

 

 

REGISTOR

 

 

 

1

 

2

3

4

5

 

ERROUT

 

ERRIN

GND

SWITCH

VDD

Page 36
Image 36
Sony CDX-M800 service manual IC Block Diagrams, IC1 µPD63711GC-8EU Servo Board

CDX-M800 specifications

The Sony CDX-M800 is a standout model in the world of car audio systems, renowned for its combination of high-quality audio performance and user-friendly features. As a part of Sony's lineup, this CD receiver integrates both cutting-edge technology and classic functionalities, ensuring an enhanced listening experience during commutes or long road trips.

One of the key features of the Sony CDX-M800 is its advanced playback capabilities. The device can play a variety of formats including CDs, CD-Rs, and CD-RWs, as well as MP3 and WMA files. This versatility allows users to enjoy their favorite music without compatibility concerns. Additionally, the ability to play MP3 files means that users can store numerous songs on a single disc, reducing clutter and making it easier to switch playlists on the go.

The CDX-M800 features a sleek, user-friendly interface, complete with an LCD display that shows track information, radio stations, and playback modes. This display is designed for clarity, making it easy for users to navigate their audio options without distraction from the road. The rotary volume control and intuitive button layout enhance usability, allowing for quick adjustments while keeping attention on driving.

In terms of sound quality, the Sony CDX-M800 is equipped with a built-in equalizer, enabling users to customize the audio output to suit their preferences. With multiple preset sound modes and a 3-band equalizer, it enhances the clarity and richness of your music. The unit also supports Dynamic Reality Amp technology, which delivers powerful, distortion-free sound, contributing to an immersive listening experience.

Moreover, the CDX-M800 supports FM/AM radio with strong reception capabilities. The device can store up to 18 FM and 12 AM stations, allowing users to easily access their favorite radio shows without having to manually tune in repeatedly.

Connectivity is another essential feature of the Sony CDX-M800. The system is designed with a front-panel auxiliary input, which facilitates connection with external devices such as smartphones and MP3 players. This feature expands the listening options, allowing users to play their personal playlists directly through the vehicle’s sound system.

In summary, the Sony CDX-M800 is a well-rounded car audio solution, offering a blend of versatility, sound quality, and user-friendly features. Whether you're a casual listener or an audiophile, this CD receiver caters to a wide range of audio needs, making it a solid choice for enhancing your in-car entertainment experience.