Sony 4-216-840-0 service manual Block Diagram MD Servo Section, ∙ Signal Path, Play Analog OUT

MDS-M100

6-2. BLOCK DIAGRAM – MD SERVO Section –

DIGITAL SIGNAL PROCESSOR,

EFM/ACIRC ENCODER/DECODER,

IC121 (1/2)

15

SHOCK PROOF MEMORY CONTROLLER,

TX

ATRAC ENCODER/DECODER

OVER WRITE

IC121 (1/2)

100

EFMO

HEAD DRIVE

HR901

IC181, Q181, 182

FILI

OVER WRITE HEAD

SCTX

60

FILTER

PCO

I

I

MORFO

MORFI

59

COMPA-

EFM/ACIRC ENCODER/DECODER

SHOCKPROOF MEMORYCONTROLLER

ATRAC ENCODER/DECODER

54

ASYI

62

CLTV

PLL

61

FILO

RF AMP,

FOCUS/TRACKING ERROR AMP

48

47

IC101

ASYO

53

J

1

J

RF AMP

RFO

AGCI

RF AGC

RF

57

RFI

RATOR

2

46

40

38

& EQ

ADDT

25

DATAI

22

SAMPLING	XBCKI
RATE		24
CONVERTER	LRCKI	23
DIGITAL	DIN0 19
AUDIO	DIN1	20
INTERFACE	DOUT	21
	DADT	26

WAVE SHAPER

IC601 (1/2)

ADDT

DIGITAL IN

OPTICAL

RECEIVER

IC611

DADT, BCK, LRCK

A (Page 39)

B (Page 39)

	EQ
B.P.F.	AUX
	33
	WBL

F	3T	TEMP	PEAK
	B	PEAK &	37
		BOTTOM	BOTM
			36

28 27 29

XBCK LRCK FS256

CLOCK	OSCI	16	DIVIDER	512FS	C	(Page 39)
	OSCO		IC123
GENERATOR		17

C

B

WBL

ADFG

SUBCODE

I

J

AT

ADFM

ADIN

ADFG

ADIP

PROCESSOR

D

A

B.P.F.

29

30

78

DEMODULATOR/

A

A

AMP

32

DECODER

4

B

5

I-V

ABCD

E

C

ABCD

6

AMP

DETECTOR

D

AMP

35

CPU

7

FOCUS

FE

F0CNT

SPINDLE

C

79

INTERFACE

ERROR AMP

34

D

SERVO

E

E

TE

SPFD

SPRD

XRST DQSY

SQSY

XINT

SENS SRDT

SWDT SCLK XLAT

F

9

F

AMP

ERROR AMP

SE

28

8

I-V

TRACKING

26

LASER DIODE	94	93	10	12	11	14	9	8	5	6	7
	COMMAND

		ILCC		AUTOMATIC		APC			WBL 3T EQ
							LD/PD
				POWER	11
				CONTROL			AMP				SERIAL/
PD	LD			Q162, 163							PARALLEL
										V-I	CONVERTER,
									CONVERTER		DECODER
		PD	LASER ON		10	PD		APCREF		F0CNT	SWDT SCLK XLAT
				SWITCH
				Q101

12	20	16 17 18	18	5	23 71 32			31 33 75
OPTICAL PICK-UP
(KMS-260A/J1NP)			DQSY	SQSY	XINT	SENS	SRDT	SWDT SCLK XLATCH
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE		70	LDON
IC152
PSB 16		73	DIG-RST
		67	WR-PWR		LDIN		LDOUT
		76	MOD
					54		55

M101	M	6	OUT4F	IN4R	3	SPFD
						SPRD
(SPINDLE)		8	OUT4R	IN4F	4		13	67 65 66 75 74 63 64
							RECP	AUX1 ABCD FE TE SE PEAK BOTM
						83 APCREF	AUTOMATIC			5	6
										IN1	IN2
							POWER		LOADING
						SFDR	CONTROL	ANALOG MUX			VZ 4
M102		27 OUT2F		IN2F	29				MOTOR DRIVE
	M					92			IC441
(SLED)		25 OUT2R		IN2R	30	SRDR				OUT1	OUT2
						91

INTERNAL BUS

MONITOR

CONTROL

MNT0	MNT1	MNT2	MNT3
1	2	3	4
FOK	SHOCK	XBUSY	SLOCK

78 72 74 66

MNT0 (FOK) MNT1 (SHOCK) MNT2 (XBUSY) MNT3 (SLOCK)

REFERENCE

VOLTAGE SWITCH

Q441, 442

D0 – D3	49, 48, 50, 51	1, 2, 18, 19	DQ1 – DQ4
A00– A09	–3631,40, 45	15,–119, 5	D-RAM
			A9–A0
			IC124
	34 –	6 –
XOE	43	16	XOE
XWE
	47	3	XWE
XRAS
	46	4	XRAS
XCAS
	44	17 XCAS

SCTX 80

∙ SIGNAL PATH

SYSTEM CONTROLLER	: PLAY (ANALOG OUT)
IC501 (1/2)

: REC (ANALOG IN)

: REC (DIGITAL IN)

UNREG
+12V		S101
LIMIT-IN	77
		(LIMIT IN)
REC-P	59	S601
		(REC POSITION)
PACK-OUT	53	S602

2-AXIS DEVICE

(TRACKING) (FOCUS)

FCS+

FCS–

TRK+

TRK–

21	OUT1F	IN1F	19	88	FFDR
23	OUT1R	IN1R	18	89	FRDR
12	OUT3F	IN3F	14	86	TFDR
10	OUT3R	IN3R	15	85	TRDR

PWM GENERATOR

DIGITAL	A/D CONVERTER
SERVO
SIGNAL	FROM CPU
PROCESS
	INTERFACE

XLRF 80 XLAT

AUTO	CKRF	81	SCLK
SEQUENCER	DTRF		SWDT
		82

DIGITAL SERVO

SIGNAL PROCESSOR

IC121 (2/2)

2 10

M

M103

(LOADING)

HF MODULE

SWITCH

IC103, Q102 – 104

56 LD-LOW		(PACK OUT)
PB-P	60	S604
		(PLAY POSITION)

REFLECT 69

PROTECT 68

S102

(REFLECT/PROTECT DETECT)

HIGH REFELECT RATE/

WRITE PROTECT

LOW REFELECT RATE/

UN-PROTECT

HF MODULE MOD 05

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