Sony MDX-61 service manual Block Diagram

MDX-61

3-1.

BLOCK DIAGRAM

OPTICAL PICK-UP BLOCK

(KMS-193C/J2N)

IC100

IC600

IC900

DETECTOR

IC601

RF AMP

SYSTEM CONTROLLER

BUS INTERFACE

CNP1

RESET

F

12

7

F

XRST

17

XRST

XRST

59

MD-RST

RST

30

8

RESET

7

(BUS CONTROL CONNECTOR)

SW

2

4

C

SWDT

18

SWDT

XLAT

58

MD-LAT

1

2

3

10

3

B

SCLK

19

SCLK

IC500

SWDT

45

MD-SO

UNICKI

48

11

4

8

7

XLAT

20

XLAT

SCLK

51

MD-CKO

C B

IC200

SHOCK PROOF MEMORY CONTROLLER

I

J

9

48

J

RFO

44

DIGITAL SIGNAL PROCESSOR

ATRAC ENCODER/DECODER

UNISO

50

9

6

4

5

6

D A

IC602

DIGITAL SERVO SIGNAL PROCESSOR,

8

2

A

EFM/ACIRC ENCODER/DECODER

LEVEL SHIFT

AGCI

43

4

XLAT

UNISI

49

10

4

5

D

RF

41

58

RFI

XLAT

10

XLAT

SCK

SENS

3

4

54

SENS

E

5

6

E

TE

26

77

TE

SCLK

9

3

SCLK

BUS-ON

61

13

SW

2

3

47

I

2

SWDT

SE

29

76

SE

SWDT

8

SWDT

SRDT

5

6

52

MD-SI

XRST

ADFG

33

82

ADFG

XRST

16

17

XRST

SENS

6

AUX

34

68

AUX1

SENS

12

SENS

SRDT

SQSY

9

8

62

SQSY

FE

35

67

FE

SRDT

11

5

BATTERY DET

SRDT

BU-IN

60

AUTOMATIC

BOTM

38

65

BOTM

SQSY

14

SQSY

Q920, 921

14

FOK

11

10

64

FOK

POWER CONTROL

AAPC

PEAK

39

64

FOK

2

FOK

PEAK

LD

Q100

30

93

R-CH

(R)

DTO

DATA

X INT

9

1

2

55

CC-XINT

A-MUT

67

DTI

29

10

PD

ABCD

37

66

ABCD

DFCT

3

97

MIN

MUTING

MUTING

MUTING

C2PO

31

92

C2PO

SWITCH

CONTROL

LINE

PD

SWITCH

Q810, 820

Q560, 561

BCK

32

91

BCK

IC550

Q800

OUTPUT

LRCK

33

90

LRCK

D/A CONVERTER

IC800

PEAK HOLD

78

AUX2

XTAI

35

87

SPO

LINE AMP

Q200

SERIAL

D OUT

41

1

DAC

LPF

8

3

+

IC201

INPUT

1

(L)

–

INVERTER

36

OSC O

ALRCK

44

3

DAC

LPF

5

R-CH

2

X500

APC REF

11

4

2

84

LDDR

45.1584MHz

+3.3V

+3.3V REG.

37

OSCI

4

(D/A CONV)

Q931

IC501

RAM

13

HOME

MDMON

10

S901

AO0

55

9

A0

(HOME POSITION DET)

+9V

+9V REG.

ı

ı

52

12

RV901

Q500, 501

(LINE AMP)

Q940, 941

·

·





40

EHS

SWITCHING

8

6

87

FFDR

56

14

ELEVATOR HIGHTER

+5V

DRIVER

CONTROL

D0

ı

ı

D0

POSITION DET(EHS)

69

1

+5V

AO8

60

18

A8

(PULL UP)

+6V REG.

FOCUS

Q910, 911

11

5

89

FRDR

·

·

56

LIMIT-SW

(SYSTEM CONTROLLER)

68

2

S400

·

·

IC950

+5V

+5V REG.

29

DRIVER

CONTROL

31

86

TFDR

70

24

(LIMIT DET)

ı

61

22

REGULATOR CONTROL

(MOTOR DRIVE)

Q952

TRACKING

D4

71

25

D3

14

DCS1

26

32

85

TRDR

XOE

62

23

DE

S611-616

19

DCS6

ERROR

14

XCAS

CAS

(EJECT)

AMP

13

A09

65

5

AB

22

DRIVER

CONTROL

20

93

SPRD

XRAS

66

4

RAS

COMP

OUT

10

M901

M

XWE

67

3

WE

57

DOOR-SW

SPINDLE

COMP

OUT

7

24

19

94

SPFD

S620

DOOR OPEN

4





ERROR



/CLOSE DET

13

CONTROL

18

91

SRDR

AMP

3

DRIVER

M902

M

11

LES

+3.3V

+3.3V REG.

+5V REG.

SLED

S902

Q953

Q954

15

17

92

SFDR

(LES)



PL620



LAMP DRIVE

IC300

12

SES

ILLUMINATION

Q600, 601



LAMP



SLED/SPINDLE MOTOR DRIVE,

S903





FOCUS/TRACKING COIL DRIVE

IC700

(SES)

ELEVATOR MOTOR DRIVE

ILL ON

21

9

DRIVER

CONTROL

2

6

M1

(SHASSIS)

M904

M

STR-SW

63

(ELEVATOR)

7

4

7

S600

M1

(STOP)

• R-CH : Same as L-ch

XTAL

32

X600

IC701

• SIGNAL PATH

10MHz

: PLAY

LOADING MOTOR DRIVE

EXTAL

31

9

DRIVER

CONTROL

2

8

M2

TX

34

M903

M

X601

(LOADING)

32.768kHz

7

4

9

M2

TEX

35

Q950 B+ SWITCH

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