Sony HCD-C5 service manual Block Diagram MD Servo Section, Apc

HCD-C5

6-3. BLOCK DIAGRAM – MD SERVO SECTION –

HR901

OVER WRITE HEAD

OPTICAL PICK-UP		48	47
		MORFO	MORFI
(KMS-260B)
I	I
J	1	RF AMP
	J
	2

	VC	3 VC
		D101
F		TEMP
	B	SENSOR 15 TEMPR
C	B	14 TEMPI
I	J
D	A

	A		4	A
				B
			5		I-V
	E			C
			6		AMP
				D
	DETECTOR		7
	C
	D
	E		8	E	I-V
	F			F
			9		AMP
		LD+3V
	ILCC	Q121, 122		APC	LD/PD
		AUTOMATIC	11
					AMP
		POWER CONTROL
PD	LD
LASER DIODE		Q101
	PD		10	PD
		LASER ON
		SWITCH

IC141

FOCUS/TRACKING COIL DRIVER, SPINDLE/SLED MOTOR DRIVER

16

PSB

IC181, Q181 182
	OVER WRITE
	HEAD DRIVE
	SCTX				FILTER
		IC151 (1/2)
		DIGITAL SIGNAL PROCESSOR,
		EFM/ACIRC ENCODER/DECODER,
	SHOCK PROOF MEMORY CONTROLLER,
		ATRAC ENCODER/DECODER
		IC101
		RF AMP,
		FOCUS/TRACKING ERROR AMP
RFO	46	AGCI	RF AGC	RF
		40	& EQ	38
		WBL	EQ
B.P.F.				AUX
				33
3T	TEMP	PEAK &		PEAK
				37
		BOTTOM		BOTM
	WBL			36
AT	B.P.F. ADFM 29	30 ADIN		ADFG 32
AMP
	ABCD			ABCD 35
	AMP
	FOCUS			FE
	ERROR AMP			34
				TE
	TRACKING			26
				SE
	ERROR AMP
			WBL	28
		EQ 3T
	COMMAND

SERIAL/PARALLEL	V-I	F0CNT
CONVERTER,
	CONVERTER	20
DECODER

APCREF	SWDT SCLK XLAT
12	16 17 18

15	68	IC151 (1/2)
TX	VC

100	EFMO						ADDT	25
60	FILI					SAMPLING	DADTI	22	DADTI
	PCO					RATE	XBCKI		XBCKI
59		PLL				CONVERTER		24
62	CLTV			CONTROLLERMEMORY	ATRAC ENCODER/DECODER		LRCKI	23	LRCKI
		EFM/ACIRC ENCODER/DECODER	PROOFSHOCK
61	FILO					INTERFACE	DOUT	21	DOUT
							DIN0	19	DIN
						DIGITAL	DIN1
	ASYO
53						AUDIO		20
54	ASYI	COMPA-					DADT
	RFI							26
57		RATOR					XBCK
								28
							LRCK
								27
							FS256
								29

CLOCK

GENERATOR

ADFG		SUBCODE	INTERNAL BUS
	ADIP	PROCESSOR
78	DEMODULATOR/
	DECODER
		CPU	MONITOR
		INTERFACE	CONTROL

79	F0CNT	SPINDLE
		SERVO
		SPFD	SPRD	DQSY	SQSY	XINT	SENS	SRDT	SWDT	SCLK		XLAT	MNT0	MNT1	MNT2	MNT3
		94	93	12	11	14	9	8		5	6	7	1	2	3	4

IC861

BUP+3.3V 5 RESET 3

									PDOWN
		18	20	25	58	32	31 33 50	59 48	19
Q861		DQSY	SQSY	XINT	SENS	SRDT	SWDT SCLK XLAT	(MNT1)SHOCK (MNT2)XBUSY	DOWN-P
SWITCH	12	S-RST
	57	LDON
	52	DIG-RST		-IN	-OUT
	54	WRPWR		LOAD	LOAD			IC701
	56	MOD
				67	66			MASTER CONTROLLER

		X171
OSCI		90MHz
	16
OSCO				IC153
	17
				D-RAM
D0 – D3	48, 49, 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
				MUTE
XIN-T		10		X717
		11		32kHz
XOUT-T
	XIN	15		X720
XOUT		13		10MHz
OPTSEL		81	OPTO
ADPDWN		82		IC195

EEPROM

•Signal Path : PB (MD)

: REC (MD)

: CD (DIGITAL)

: CD (ANALOG)

DIN , OPTO A

CD

SERVO

SECTION (Page 46)

							PDOWN , MUTE	B
	DATAI	XBCKI	LRCKI	IC201				MAIN
					A/D			SECTION
				CONVERTER				(Page 48)
	13	11	12
	DATAO	BCK	WS	VINL	1		REC-L
			SYSCLK	VINR	3	R-CH
DIN	PWON
7
			8

M701	M
(SPINDLE)

6	OUT4F	IN4R	SPFD
			3	83
8	OUT4R	IN4F	SPRD
			4	APCREF

10	13	67 65 66 75 74 63 64
XRST	RECP	AUX1 ABCD FE TE SE PEAK BOTM
	AUTOMATIC
	POWER

IC871

LOADING

MOTOR DRIVER

9	7
RIN	FIN
OUT1	OUT2
4	2

M+7V

VCC	6
VREF	1	Q871, 872
		REFERENCE

VOLTAGE SWITCH

EEP-WP47 7 WP

EEP-CLK45 6 SCL

EEP-DATA60 5 SDA

DOUT	DIN	XBCKI	LRCKI
15	16	33	37	29

C

MAIN

SECTION (Page 48)

M702	M
(SLED)

27	OUT2F	IN2F	29	SFDR
				92
25	OUT2R	IN2R	30	SRDR
				91

CONTROL

ANALOG MUX

M

(LIMIT IN)

S101

S103

65 LOAD-LO

55 LIMIT-IN

Q211

2-AXIS

DEVICE FCS+

FFDR

GENERATOR		A/D CONVERTER
	DIGITAL SERVO
	SIGNAL	FROM CPU
	PROCESS

M703

(LOADING)

(OUT)

(PLAY)

(REC)

S104

S105

49 OUT-SW

51 PLAY-SW

53 REC-SW

MUTE	76	SWITCH
SLICER-SEL	79
DA-RESET	78
SPDIF-LOCK	80

12	MUTE	IIS-	IIS	VOUTL 18
13	SLICER-SELIC211			VOUTR	22
1	RESET	D/A
21	LOCK	CONVERTER		VDDA (DAC)	32

MD-L

R-CH

(TRACKING) (FOCUS)

21	OUT1F	IN1F	19	88
23	OUT1R	IN1R	18	FRDR
				89

INTERFACE
PWM	XLRF	XLAT
AUTO	CKRF	80
		SCLK
SEQUENCER	DTRF	81
		SWDT

3

(REFLECT

→ PROTECT)

-A 4 IOP

S102 61 REFLECT

44 PROTECT

89 IOP

I2C-BUSY	23	I2C-BUSY
		I2C-CLK
I2C-CLK	29
		I2C-DATA
I2C-DAT30

Q201,202

I2C-DATA,I2C-CLK,

I2C-BUSYD

FCS–

TRK+

TRK–

12	OUT3F	IN3F	14	TFDR
				86
10	OUT3R	IN3R	15	TRDR
				85

82

IC151 (2/2)

DIGITAL SERVO

SIGNAL PROCESSOR

Q131 - 134

HF MODULE

SWITCH

LD+3.3V

IC102	SPDIF-CUT72	+3.3V	+B
WAVEFORM
			SWITCH
SHAPER
	IC190
LD+3.3 V	3 +3.3V 1	+5V

MAIN

SECTION (Page 48)

HF MODULE

MOD

REG

47 47