Sony MZ-R91 User Manual

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– 24 –

W

V

U

OVER WRITE HEAD DRIVE

IC603

DIGITAL SIGNAL PROCESSOR,

EFM/ACIRC ENCODER/DECODER,

SHOCK PROOF MEMORY CONTROLLER,

ATRAC ENCODER/DECODER,

16M BIT D-RAM

IC502 (1/2)

RF AMP, FOCUS/TRACKING ERROR AMP

IC501

FOCUS/TRACKING COIL DRIVE,

SPINDLE/SLED MOTOR DRIVE

IC601

SPINDLE SERVO DRIVE

SWITCH

IC504, 505

DIGITAL SERVO

SIGNAL

PROCESSOR

IC502 (2/2)

05

D

(Page 25)

F

(Page 25)

G

(Page 27)

OE

•

 SIGNAL PATH

: REC (ANALOG IN)

: PLAY (ANALOG OUT)

: REC (DIGITAL IN)

VMC

VMAB

VC

IN2

IN1

OUTB

C2H

C2L

C1H

C1L

OUTA

D603

X501

22.5792MHz

ADDT

DIN1

RESET

A

(Page 25)

ANALOG REC

OFTRK

MODE2

MODE1

EFMO

SLCU

SLD MON 1

TFDR

TRDR

FFDR

FRDR

SLDU

SLDV

SLVS

SLDW

SLCW

IC504

IC505

M602

(SLED)

M601

(SPINDLE)

FI3

RI3

FO3

RO3

FO1

RO1

OVER WRITE
HEAD B+

HB

EFM

CK

C1L

VGH

C1H

HA

COSC

TE

OFTRK

RF

PEAK

BOTM

ABCD

FE

B

A

D

C

JX

JY

IY

IX

PD-O

PD-NI

JX

JY

B

A

IY

IX

LD-A

MON

PD S0

PD S1

D

C

DETECTOR

OVER WRITE

HEAD DRIVE

Q601, 602

B+ SWITCH

Q603, 604

VC B+

BATT B+

FILTER

HR601

OVER WRITE HEAD

MNT2

MODE3

CPWO

CPVO

SLCU

SLCV

SPCW

SPCV

SPCU

SPDL PWM

CL

V U

CL

V V

CL

V W

CPUO

MODE1

MODE2

SBUS

SCK

D

ATA

CLK

PD-I

8

7

14

5

6

12

11

3

2

13

1

31

30

20

19

41

33

DADT

DADT, XBCK,

LRCK, FS256

42

XBCK 45
LRCK 43

FS256

OSCO

OSCI

46

10

2

FS4

RFI

84

85

86

99

87

96

12

2

1

7

21

22

FI1

RI1

16

15

FI2

14

RI2

13

PWM24

25

FI4

23

RI4

24

SPVS
SPDU
SPDV

128

129

127

124

110

APCREF

106

123

113

103

102

109

111

112

133

138

SLCV 139

SPCU 130

SPCV 131

SPCW 132

134

141

135

140

SPDW

30

7

5

FO2

11

RO2

9

FO4

26

RO4

28

32

17

16

18

19

21

22

23

VIN 24

23 24 25

19

29

28

33

78

FILI

81

PCO

80

CLTV

83

FILO

82

4

FOK

MNT1

51

3

XSHOCK

MNT3

52

5

SQSY

DQSY

54

14

DQSY

SQSY

53

13

XINT

XINT

55

16

TX

SENS

6

11

XLAT

XLA

T

8

8

SENSE

TX

5

XCS DSP

9

SI0 11

SO0 12

SCK0

HD CON 2

HD CON 1

13

17

DIN0

SRDT

6

SWDT

7

SCLK

SRDT

SRDT, SWDT,

SCLK

SWDT

SCLK

E

(Page 27)

SWDT, SCLK

SWDT

SCLK

32

ASYO

74

ASYI

75

14

10

11

41

ADFG

TE

15

RECP

PEAK

BOTM

ABCD

FE

ADFG

21

42

1

26

10

11

8

9

14

12

6

5

20

18

JX JY

I-V

AMP

IX

IY

C

B

D

A

TRK+

TRK–

FCS+

FCS–

LD

PD

LASER DIODE

AUTOMATIC

POWER CONTROL

Q1001

SLED VOLTAGE

MONITOR

IC604

LOW-PASS

FILTER SWITCH

Q501

RF

AMP

ABCD

AMP

TON

PEAK/
BOTM

EFM

LOGIC

SAW.

GEN.

CHARGE

PUMP

OVER WRITE HEAD

UP/DOWM MOTOR DRIVE

IC602

SYSTEM CONTROLLER

IC801 (1/3)

LVDET

CHARGE

PUMP

MOTOR

DRIVE

CONTROL

LOGIC

CONTROL

LOGIC

OSC

FOCUS

ERROR AMP

ADIP

S-MON

43

WPPLPF

3

S-MONITOR

TPP/WPP

SERIAL

INTERFACE

TRACKING

COIL DRIVE

FOCUS

COIL DRIVE

SLED

MOTOR

DRIVE

PWMI

3

UI

2

VI

1

WI

OE

48

17

34 35 36

UO

46

CPUI

40

CPVI

39

CPWI

38

VO

44

WO

42

SPINDLE

MOTOR

DRIVE

SPINDLE VOLTAGE

MONITOR

BIAS

APC

TRACKING

ERROR AMP

XRST

XRST

68

XIC RST

B

(Page 25)

C

(Page 25)

DIGITAL REC

2-AXIS

DEVICE

OPTICAL PICK-UP BLOCK

(LCX-2R)

(FOCUS)

(TRACKING)

M

5

6

3

2

1

7

5

6

3

35

WRPWR

7

PD S0

36

REC WBL SW

57

S MON

79

PD S1

38

MODE1

27

MODE2

SSB DATA
SSB CLK

28

MODE3

29

SPDL START SW

49

SPDL PWM

67

CLV U

24

CLV V

25

CLV W

26

B+ SWITCH

Q605

DC/DC

CONVERTER

IC605, Q607

M

M

M603

OVER WRITE

HEAD UP/DOWM