Sony MDS-JE640 specifications Block Diagrams BD Section, Signal Path

MDS-JE640

6-2. BLOCK DIAGRAMS – BD SECTION –

DIGITAL SIGNAL PROCESSOR,

EFM/ACIRC ENCODER/DECODER,

SHOCK PROOF MEMORY CONTROLLER,

15

IC151 (1/2)

ATRAC ENCODER/DECODER

TX

OVER WRITE

IC151 (1/2)

EFMO

ADDT

25

HEAD DRIVE

100

IC181, Q181, 182

SAMPLING

DATAI

22

DATA1

HR901

FILI

RATE

OVER WRITE HEAD

SCTX

60

XBCKI

XBCK1

CONVERTER

24

PCO

59

PLL

LRCKI

23

LRCK1

CLTV

62

FILO

61

DIN0

19

48

47

RF AMP,

DIGITAL

ASYO

DIN1

OPTICAL PICK-UP

FOCUS/TRACKING ERROR AMP

AUDIO

20

53

(KMS-260B/J1N)

MORFO

MORFI

IC101

FILTER

EFM/ACIRC ENCODER/DECODER

SHOCKPROOF

CONTROLLERMEMORY

ATRAC ENCODER/DECODER

INTERFACE

DOUT

21

ASYI

I

I

RFO

AGCI

RF AGC

RF

54

COMPA-

DADT

26

1

RF AMP

RFI

RATOR

XBCK

J

J

46

40

& EQ

38

57

28

LRCK

2

27

FS256

29

EQ

WBL

B.P.F.

AUX

		ADDT	A	(Page 33)
	OPTICAL	DIGITAL IN
	RECEIVER
		OPT1
WAVE	IC611
SHAPER				CND,SP,MY
IC600 (1/2)	OPTICAL	DIGITAL IN
	RECEIVER			model
		OPT2
	IC621
	J631	COAXIAL		AEP,UK,CIS
		IN		model
	OPTICAL	DIGITAL
	TRANSCEIVER
		OUT
	IC661
		(Page 33)
	DADT, BCK, LRCK

B

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

C

E

6

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

25

27

32

48

40

38 42 50

58 56

OSCI	16		DIVIDER
OSCO			IC171
	17
			D-RAM
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

1024FS

C

(Page 33)

SWDT, SCLK

D

(Page 33)

LRCK 34

LRCK1

DQSY

SQSY

XINT

SENS

SRDT

SWDT

SCLK XLATCH

(SHOCK)

(XBUSY)

29

LDON

MNT1

MNT2

47

DIG-RST

SYSTEM CONTROLLER

35

WR-PWR

FOCUS/TRACKING COIL DRIVE,

IC1 (1/2)

14

MOD

SPINDLE/SLED MOTOR DRIVE

LDOUT

IC141

16

LDIN

PSB

12

13

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

UNREG

5

6

AUTOMATIC

+5V

IN1

IN2

POWER

SFDR

CONTROL

27

OUT2F

IN2F

29

LOADING

REFERENCE

M102

M

92

ANALOG MUX

VZ

4

(SLED)

OUT2R

IN2R

SRDR

MOTOR DRIVE

VOLTAGE SWITCH

25

30

91

IC440

Q440, 444

OUT1

OUT2

GENERATOR

A/D CONVERTER

2-AXIS

DIGITAL SERVO

2

10

SIGNAL

DEVICE

FCS+

FFDR

FROM CPU

21

OUT1F

IN1F

19

PROCESS

88

INTERFACE

M

(TRACKING)

23

OUT1R

IN1R

18

FRDR

PWM

(FOCUS)

89

XLRF

XLAT

M103

AUTO

CKRF

80

(LOADING)

SCLK

SEQUENCER

DTRF

81

FCS–

SWDT

TFDR

82

TRK+

12

OUT3F

IN3F

14

TRK–

86

DIGITAL SERVO

HF MODULE

TRDR

10

OUT3R

IN3R

15

85

SIGNAL PROCESSOR

SWITCH

IC151 (2/2)

IC102, Q131 – 134

HF MODULE

MOD

CLIP DATA 44 DATA1

CLIP CLK 46 XBCK1

• SIGNAL PATH

: PLAY (ANALOG OUT) : PLAY (DIGITAL OUT)

: REC (ANALOG IN) : REC (DIGITAL IN)

	LIMIT-IN	30	S101
			(LIMIT IN)
	OUT-SW	51	S103
			(OUT SW)
11 LD-LOW	PLAY-SW	49	S104
			(PLAY SW)
	REC-P	43	S105
			(REC POSITION)
	REFLECT	67

PROTECT 68

S102

(REFLECT/PROTECT DETECT)

HIGH REFELECT RATE/

WRITE PROTECT

LOW REFELECT RATE/

UN-PROTECT

09 32 32