Sony MZ-R700 service manual Board, Block Diagram Servo Section

6-2. BLOCK DIAGRAM — SERVO SECTION —

MD

MOTOR FLEXIBLE

(1/2)

MAIN BOARD

(1/3) SERVO SECTION

MECHANISM

BOARD

(1/2)

HD DRV+

OVER WRITE HEAD DRIVE

M603

10

IC601(1/2)

Signal path

HD DRV–

OVER WRITE

9

HEAD

CN502(1/2)

: PLAYBACK

UP/DOWN

HR601

OVER WRITE

35

HB

: REC(ANALOG IN)

EFM

EFM

OVER

HEAD DRIVE

HA

7

: REC(DIGITAL IN)

WRITE

Q604,605

33

PRE DRIVER

CLK

HEAD

4

RF AMP,FOCUS/TRACKING ERROR AMP

HD DRV+

41

OUTA

HI-BRIDGE

VRECIN2 37

VRECO

OPTICAL PICK-UP BLOCK

CN501

IC501

HD DRV–

38

OUTB

PRE DRIVER

VRECIN1

42

B+

(LCX-4R)

6

4

VREF

CHARGE

C1H 28

SYSTEM CONTROL (1/2)

PUMP1

C1L

27

Iy

9

25

VREF

SW

RECON

OE

RI

FI

CHARGE

C2H 31

PUMP2

C2L 30

Ix

10

1

2

3

5

6

JX JY JX

Jx

14

8

IY

RF OUT

199 198 197

201 200

105

Jy

PEAK

29

44

PEAK

MODE3

MODE2

MODE1

CON2HD

CON1HD

EFMO

DIN1 62

DIN1

15

10

JX

PEAK

9

IX

33

37

RFI

IX IY IX

A

11

JY

RF AMP,

/BOTM

BOTM

28

45 BOTM

1

AUDIO

16

A

FOCUS

ABCD

12

B

ERROR,

41

46 ABCD

ADDT 68

ADDT

SECTION

A B C D

14

TRACKING

FE

SYSTEM CONTROLLER,

(Page 36)

B

C

ERROR

42

47 FE

17

5

DIGITAL SIGNAL PROCESSOR,

6

D

TE

1

56 TE

16M BIT D-RAM

C

F

7

A-C

ADIP IN

44

IC801(1/3)

13

TPP/WPP

D-C

ADIP

21

74 ADFG

D

7

8

PD-I

PD-NI

CLK

SYSTEM

18

APC

19

78 APCREF

2

PD

CONTROL

18

VC

31

49 VC

VREF

/POWER

5

12 VREF MON

FOCUS/TRACKING

SECTION

OFTRK

26

217 OFTRK

(Page 37)

AUTOMATIC

COIL DRIVE,SPINDLE/SLED

LD-A

PD-O

XRST

MOTOR DRIVE

LD

POWER

221 XRF RST

12

20

25

IC551

CONTROL

Q501

SERIAL

TRK+

FO3

33

FI3 24

81 TFDR

INTERFACE

RO3

TRACKING

SBUS

23

160

SSB DATA

TRK–

35

COIL DRIVE

RI3 25

80 TRDR

FCS+

FO1

FI1 19

SCK

24

161

SSB CLK

10

FOCUS

82 FFDR

R01

S-MONITOR

S MON

43

9

S MON

FCS–

8

COIL DRIVE

RI1 18

83 FRDR

233 SLD MON

SLED1+

FO2

FI2

14

17

96 SLDR

11

194 PD S0

SLED1–

42

CPAIP

SLCU 100 SLD1 MON

S0

12

RO2

SLED

FI2 16

98 SLDV

SLCV 101

SLD2 MON

19

195 PD S1

S1

41

CPAIM

MOTOR

PWM24 20

97 SFDR

2-AXIS

SLED2+

29

FO4

DRIVE

FI4

26

99 SLDW

DEVICE

TRK+

TRK+

2

SLED2–

40 CPBIP

(FOCUS)

(TRACKING)

31

R04

RI4 27

102 SLCW

TRK–

1

TRK–

39

CPBIM

SPINDLE

166 SPDL AUX PWM

FCS+

FCS+

CPAO

PWM

SERVO

19

38

SLED VOLTAGE

5

DRIVE

FCS–

3

FCS–

CPBO 37

MONITER

SWITCH

88 SPFD/SPVS/PWM3

SLD 1 MON

IC805

SLD 2 MON

223 SPDL MON

MOTOR FLEXIBLE

CLVU

UO

UI

MI

(2/2)

48

4

87 SPRD/SPDU/RTG0

MECHANISM

BOARD

CN502(2/2)

53

CPUI

CLV MON U

(2/2)

7

SLED1+

CLVV

46

VO

SPINDLE

VI

3

89 SPDV/RTG1

SPCU 93

•

52

CPVI

MOTOR

CLV MON V

8

CLVW

WO

WI

3

SLED1-

44

DRIVE

2

90 SPDW/RTG2

SPCV 94

•

51

CPWI

4

CLVN

CLV MON W

5

SLED2+

54 COM

SPCW 95

M602

•

6

(SLED)

1

SLED2-

SPINDLE

OE

•

VOLTAGE MONITOR

BIAS

6

220 XRST MTR DRV

2

13

CLVU

CPWO

CPVO

CPUO

U

55 56

1

M601

W

V

U

W

V

MON

MON

MON

(SPINDLE)

CLVV

12

CLV

CLV

CLV

14

CLVN