Sony MDX-C5970R service manual Block Diagram Servo Section, Signal Path

MDX-C5960R/C5970/C5970R

SECTION 4

DIAGRAMS

4-1. BLOCK DIAGRAM – SERVO Section –

			48	47
I		I	MORFO	MORFI
	1
J		J	RF AMP
	2

FILTER

		RF AMP,
	FOCUS/TRACKING ERROR AMP
		IC302
RFO	AGCI	RF AGC	RF
46	40	& EQ	38
		EQ
B.P.F.			AUX
			33
		WBL

100	EFMO
59	FILI
58	PCO	PLL
61	CLTV
60	FILO
51	ASYO
52	ASYI	COMPA-
	RFI
55		RATOR

EFM/ACIRC ENCODER/DECODER

15		IC301 (1/2)
TX							• SIGNAL PATH
			ADDT
				23				: MD PLAY
				DIGITAL SIGNAL PROCESSOR,
				EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER				SHOCK PROOF MEMORY CONTROLLER,
	ATRAC ENCODER/DECODER	SAMPLING		ATRAC ENCODER/DECODER, 2M BIT D-RAM
		RATE				IC301 (1/2)
		CONVERTER
		DIGITAL	DIN	21
			DOUT
		AUDIO
		INTERFACE		22
									(Page 23)
			DADT	24			DADT, BCK, LRCK, FS256		A
				BCK	LRCK	FS256
				26 25 27
		D-RAM		XBCK	LRCK	FS256		X301
						OSCI 16	512FS OSC

F

B

3T

TEMP

PEAK &

BOTTOM

PEAK

BOTM

37

36

CLOCK	OSCO	IC304	22.5792MHz
GENERATOR		17

C	B
I	J
D	A
	A	4	A

	5	B	I-V
E		C
	6		AMP

AT

AMP

WBL

B.P.F.

ABCD

AMP

ADFM	ADIN
29	30

ADFG

ABCD

32

35

ADFG
	ADIP
78	DEMODULATOR/
	DECODER

SUBCODE

PROCESSOR

INTERNAL BUS

D0 – D3 47, 46, 48, 49 1, 2, 24, 25 D0 – D3

DETECTOR		7	D
	C
	D
	E	8	E	I-V
	F		F
		9		AMP

FOCUS

ERROR AMP

TRACKING

ERROR AMP

COMMAND

FE

TE

SE

34

26

28

79 F0CNT	SPINDLE
	SERVO

SPFD	SPRD	XRST	DQSY	SQSY
94	93	10	12	11

			CPU			MONITOR
		INTERFACE				CONTROL
XINT	SENS SRDT		SWDT	SCLK	XLAT	MNT0	MNT1	MNT2	MNT3
14	9	8	5	6	7	1	2	3	4

– A09	43	5
A00	29, 34 – 38,	12, 14 – 18, A0 – A9
	32 –	9 –

LASER DIODE
	ILCC	AUTOMATIC		APC	LD/PD
		POWER	11
		CONTROL			AMP
PD	LD	Q302
	PD		10	PD

WBL	3T EQ						13	1	3	5	XOE	41	22	OE
			5	13	3	1					XWE
		SERIAL/										45	3	WE
				LEVEL SHIFT			LEVEL SHIFT				XRAS
		PARALLEL										44	4	RAS
											XCAS
	V-I	CONVERTER,		IC502				IC503				42	23 CAS
CONVERTER		DECODER	6	12	4	2	12	2	4	6
APCREF	F0CNT	SWDT SCLK XLAT												D-RAM
														IC307
12	20	16 17 18

OPTICAL PICK-UP (KMS-241B/J1NP)

M901	M
(SPINDLE)
M902	M
(SLED)

FOCUS/TRACKING COIL DRIVE, SPINDLE/SLED MOTOR DRIVE IC303

		PSB 16
6	OUT4F	IN4R	3	SPFD
				SPRD
8	OUT4R	IN4F	4
27	OUT2F	IN2F	29
25	OUT2R	IN2R	30

+3.3V

FOK SHOCK

XBUSY

SLOCK

(Page 23)

RESET

RESET, EMPHASIS

B

EMPHASIS

PEAK HOLD

ABCD

SWDT

SCLK XLAT

TH501

Q301

IC306

+3.3V

59

62

55

54 52

45 51 64

26 27 28 29

39

66

13

66

75

64

65

74

73 62 63

MD-RST

SQSY

CC-XINT

SENS MD-SI

MD-SO

MD-CKO MD-LAT

MNT0 MNT1

MNT2

MNT3

TEMP

DEEMP

LOCK

RECP

AUX1 AUX2 ABCD FE TE SE PEAK BOTM

LOCK

21

C

83

APCREF

AUTOMATIC

(Page 23)

POWER

31 EXTAL

MD MECHANISM CONTROLLER

MD-ATT

92

SFDR

CONTROL

ANALOG MUX

X501

IC501 (1/2)

A-MUTE

67

D

91

SRDR

10MHz

IN

(Page 23)

32 XTAL

EJECT

LOAD

C-SW

E-SW

LIMIT-

DIGITAL

A/D CONVERTER

SERVO

7

6

63

11

56

2-AXIS
DEVICE		FCS+	21	OUT1F	IN1F	19
(TRACKING)	(FOCUS)
			23 OUT1R		IN1R	18
		FCS–
		TRK+	12	OUT3F	IN3F	14
		TRK–
			10 OUT3R		IN3R	15

05

GENERATOR

SIGNAL

FROM CPU

FFDR

PROCESS

88

INTERFACE

89

FRDR

PWM

5

4

XLRF

80

LOADING

RIN

FIN

AUTO

CKRF

(LIMIT)

81

MOTOR DRIVE

LOADING START/

LOADING

SEQUENCER

DTRF

ON: When the optical pick-up is

82

IC305

TFDR

EJECT END

END

inner position.

86

OUT1

OUT2

ON: When completion of

DIGITAL SERVO

ON: When the disc loading start

85

TRDR

SIGNAL PROCESSOR

1

7

and the disc eject completion.

the disc loading.

IC301 (2/2)

M903

(LOADING)

M

– 19 – – 20 –