Sony MDS-JE630 service manual Diagrams, BLOCK DIAGRAM - SERVO Section

	SECTION 6
	DIAGRAMS		DIGITAL SIGNAL PROCESSOR,
6-1.	BLOCK DIAGRAM – SERVO Section –		EFM/ACIRC ENCODER/DECODER,
			SHOCK PROOF MEMORY CONTROLLER,		15	IC121 (1/2)
			ATRAC ENCODER/DECODER
					TX
	OVER WRITE		IC121 (1/2)	EFMO
						ADDT	25
	HEAD DRIVE			100
	IC181, Q181, 182				SAMPLING	DATAI	22
	HR901			FILI
	OVER WRITE HEAD	SCTX		60	RATE	XBCKI

MDS-JE630

ADDT

A

(Page 33)

FILTER

59

PCO

CONVERTER

LRCKI

24

CLTV

PLL

23

62

MEMORY CONTROLLER

FILO

EFM/ACIRC ENCODER/DECODER

ATRAC ENCODER/DECODER

61

SHOCK PROOF

48

47

RF AMP,

DIGITAL

DIN0

19

ASYO

DIN1

OPTICAL PICK-UP

MORFO

MORFI

FOCUS/TRACKING ERROR AMP

53

AUDIO

20

(KMS-260A/J1N)

IC101

INTERFACE

DOUT

21

54

ASYI

I

I

COMPA-

DADT

1

RFO

AGCI

RF AGC

RF

RFI

26

J

2

J

RF AMP

46

40

& EQ

38

57

RATOR

XBCK

28

LRCK

27

FS256

29

EQ

WBL

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

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

SLOCK

ILCC

AUTOMATIC

APC

LD/PD

FOK

POWER CONTROL

11

SERIAL/PARALLEL

Q162, 163

AMP

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	5	23	71	32	31 33 75		78 72 74 66
	70	DQSY	SQSY	XINT	SENS	SRDT	SWDT	SCLK XLATCH	MNT0 (FOK) MNT1 (SHOCK) MNT2 (XBUSY) MNT3 (SLOCK)
		LDON
	73	DIG-RST

WAVE

SHAPER

IC601 (1/2)

OSCI	16		DIVIDER
OSCO			IC123
	17
			D-RAM
D0 – D3			IC124
	49, 48, 50, 51	1, 2, 18, 19	DQ1 – DQ4
A00 – A09	31, 36 – 40, 45	9, 11 – 15, 5	A0 – A9
	34 –	6 –
XOE	43	16	XOE
XWE
	47	3	XWE
XRAS
	46	4	XRAS
XCAS
	44	17	XCAS

SCTX 80

OPTICAL	DIGITAL IN
RECEIVER
		OPT1
IC611
OPTICAL
	DIGITAL IN
RECEIVER
		OPT2
IC621
OPTICAL		DIGITAL
TRANSCEIVER
		OUT
IC661

(Page 33)

DADT, BCK, LRCK

B

1024FS

C

(Page 33)

SWDT, SCLK

D

(Page 33)

67

WR-PWR

SYSTEM CONTROLLER

FOCUS/TRACKING COIL DRIVE,

IC501 (1/2)

76

MOD

SPINDLE/SLED MOTOR DRIVE

LDOUT

IC152

16

LDIN

PSB

54

55

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

+12V

IN1

IN2

POWER

SFDR

CONTROL

27

OUT2F

IN2F

29

LOADING

REFERENCE

M102

M

92

ANALOG MUX

VZ 4

(SLED)

25

OUT2R

IN2R

30

SRDR

MOTOR DRIVE

VOLTAGE SWITCH

91

IC471

Q471, 472

∙ SIGNAL PATH

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

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

LIMIT-IN	77	S101
		(LIMIT IN)
REC-P	59	S601
		(REC POSITION)

2-AXIS DEVICE

(TRACKING) (FOCUS)

FCS+

FCS–

21	OUT1F	IN1F	19	88	FFDR
					FRDR
23	OUT1R	IN1R	18	89

PWM GENERATOR

DIGITAL SERVO

SIGNAL

PROCESS

A/D CONVERTER
FROM CPU
INTERFACE
	XLRF	80	XLAT
AUTO	CKRF		SCLK
		81
SEQUENCER	DTRF		SWDT
		82

OUT1	OUT2
2	10

M

M103

(LOADING)

56 LD-LOW	PACK-OUT	53	S602
			(PACK OUT)
	PB-P	60	S604
			(PLAY POSITION)
	REFLECT	69

PROTECT 68

TRK+	OUT3F	IN3F	14	TFDR
12				86	DIGITAL SERVO	HF MODULE
TRK–				TRDR
10	OUT3R	IN3R	15	85	SIGNAL PROCESSOR	SWITCH
					IC121 (2/2)	IC103, Q102 – 104

S102

(REFLECT/PROTECT DETECT)

HIGH REFELECT RATE/

WRITE PROTECT

HF MODULE

MOD

LOW REFELECT RATE/

UN-PROTECT

05 – 31 – – 32 –