Sony MDS-S50 specifications Block Diagrams - Bd Section, MDS-JE470, IC171, IC190

MDS-JE470

6-2. BLOCK DIAGRAMS – BD SECTION –

DIGITAL SIGNAL PROCESSOR,

EFM/ACIRC ENCODER/DECODER,

SHOCK PROOF MEMORY CONTROLLER,

ATRAC ENCODER/DECODER

15

IC151 (1/2)

IC151 (1/2)

TX

OVER WRITE

EFMO

ADDT

HEAD DRIVE

100

25

HR901

IC181, Q181, 182

FILI

SAMPLING

DATAI

NC

RATE

22

OVER WRITE HEAD

SCTX

60

XBCKI

CONVERTER

FILTER

PCO

24 NC

59

PLL

LRCKI

NC

CLTV

23

62

EFM/ACIRC ENCODER/DECODER

MEMORY CONTROLLER

ATRAC ENCODER/DECODER

FILO

61

SHOCK PROOF

DIN0

48

47

DIGITAL

19

OPTICAL PICK-UP

RF AMP,

ASYO

DIN1

AUDIO

20

(KMS-260B/260E)

MORFO

MORFI

FOCUS/TRACKING ERROR AMP

53

INTERFACE

DOUT

IC101

21

ASYI

I

I

RFO

AGCI

RF AGC

RF

54

COMPA-

DADT

1

RFI

RATOR

26

J

J

RF AMP

46

40

& EQ

38

57

XBCK

28

2

LRCK

27

FS256

NC

29

		ADDT	A
			(Page39)
WAVE	OPTICAL	DIGITAL IN
	RECEIVER
SHAPER
	IC611	(OPTICAL)
IC600

WBL

EQ

B.P.F.

AUX

33

3T

PEAK

CLOCK

F

TEMP

PEAK &

GENERATOR

37

B

BOTTOM

BOTM

WBL

36

SUBCODE

C

B

ADFG

INTERNAL BUS

ADIP

PROCESSOR

I

J

AT

ADFM 29

30 ADIN

ADFG 32

D

A

B.P.F.

78

DEMODULATOR/

A

A

AMP

DECODER

4

B

ABCD

ABCD 35

5

I-V

CPU

MONITOR

E

6

C

AMP

AMP

INTERFACE

CONTROL

D

FOCUS

FE

F0CNT

SPINDLE

DETECTOR

7

79

ERROR AMP

34

SERVO

C

D

SPFD

SPRD

DQSY

SQSY

XINT

SENS

SRDT

SWDT

SCLK XLAT

MNT0

MNT1

MNT2

MNT3

E

8

E

TE

I-V

TRACKING

26

F

F

SE

AMP

ERROR AMP

9

28

94

93

12

11

14

9

8

5

6

7

1

2

3

4

COMMAND

EQ 3T

WBL

SHOCK

XBUSY

ILCC

AUTOMATIC

APC

LD/PD

POWER CONTROL

11

AMP

SERIAL/PARALLEL

Q121, 122

V-I

F0CNT

SWDT

PD

LD

CONVERTER,

CONVERTER

20

SCLK

DECODER

LASER DIODE

LASER ON

PD

10

PD

APCREF

SWDT

SWITCH

SCLK XLAT

Q101

12

16 17 18

18

20

25

58

32

31 33 50

59 48

DQSY

SQSY

XINT

SENS

SRDT

SWDT

SCLK

XLATCH

(SHOCK)

(XBUSY)

57

LDON

MNT1

MNT2

OSCI
16
OSCO	D-RAM
17

D0 – D3			IC153
	49, 48, 50, 51	1, 2, 24, 25	DQ1 – DQ4
A00 – A09	– 40, 45	14 – 18	A9
	34 – 31, 36	5, 9 – 12,	A0 –
XOE	43	22	OE
XWE
	47	3	WE
XRAS
	46	4	RAS
XCAS
	44	23	CAS

BUFFER

IC171

DADT, BCK, LRCK

B (Page39)

C

(Page39)

SWDT, SCLK

D

(Page39)

52

DIG-RST

SYSTEM CONTROLLER

FOCUS/TRACKING COIL DRIVE,

54

WR-PWR

IC1 (1/2)

SPINDLE/SLED MOTOR DRIVE

56

MOD

IC141

LDOUT

16

LDIN

PSB

67

66

SPFD

6

OUT4F

IN4R

M101

M

3

83

10

13

67 65 66 75 74 63 64

4 SPRD

(SPINDLE)

8

OUT4R

IN4F

APCREF

XRST

RECP

AUX1 ABCD FE TE SE PEAK BOTM

AUTOMATIC

3

6

IN1

IN2

POWER

VCC

1

+5V

27

OUT2F

IN2F

29

SFDR

CONTROL

LOADING

UNREG

M102

M

92

ANALOG MUX

VCC

8

SRDR

MOTOR DRIVE

+12V

(SLED)

25

OUT2R

IN2R

30

91

IC440

OUT1

OUT2

REFERENCE

D+3V

LIMIT-IN55

OUT-SW49

+3.3V	+5V
REG.

IC190

S101

(LIMIT IN)

S103

(OUT SW)

GENERATOR

A/D CONVERTER

VZ 5

VOLTAGE SWITCH

DIGITAL SERVO

7

2

Q440,445

2-AXIS

SIGNAL

DEVICE

FCS+

FFDR

FROM CPU

OUT1F

IN1F

19

88

PROCESS

21

FRDR

INTERFACE

M

(TRACKING)

(FOCUS)

23

OUT1R

IN1R

18

89

PWM

XLRF

XLAT

M103

AUTO

CKRF

80

(LOADING)

SCLK

SEQUENCER

DTRF

81

FCS–

SWDT

TFDR

DIGITAL SERVO

82

SDA

5

TRK+

EEPROM

12

OUT3F

IN3F

14

86

TRDR

SIGNAL PROCESSOR

HF MODULE

TRK–

OUT3R

IN3R

15

85

IC195

SCL

6

10

IC151 (2/2)

SWITCH

IC102, Q131 – 134

		PLAY-SW	51	S104
				(PLAY SW)
		REC-SW	53	S105
				(REC POSITION)
65	LD-LOW
		REFLECT	61	• SIGNAL PATH
60	SDA	PROTECT	44
			S102		: PLAY (ANALOG OUT)
45 SCL			(REFLECT/PROTECT DETECT)		: REC (ANALOG IN)
			HIGH REFELECT RATE/
					: REC (DIGITAL IN)
			WRITE PROTECT

HF MODULE

MOD

LOW REFELECT RATE/

UN-PROTECT

38 38