Sony MT-MZR70-165, MZ-R90/R91 service manual MZ-R70, Section, Diagrams

MZ-R70

SECTION 6

DIAGRAMS

6-1. BLOCK DIAGRAM — MD SECTION —

OPTICAL PICK-UP BLOCK

RF AMP, FOCUS/TRACKING ERROR AMP

DIGITAL SERVO SIGNAL PROCESSOR

EFM/ACIRC DECODER

(LCX-2R)

IC501

SHOCK PROOF MEMORY CONTROLLER

ATRAC DECODER

9

IX

XRST 25

IC502 (1/2)

IY

8

RF

RF

JX

33

78 RFI

DADT 42

DADT

10

AMP

PEAK

JX JY

11

JY

PEAK/

29

84 PEAK

XBCK 45

XBCK

A

C

BOTM

BOTM

28

85 BOTM

LRCK 43

LRCK

5

C

B

I-V

B

ABCD

ABCD

FS256 46

FS256

TO REC/AMP

14

D

A

CONV.

12

A

AMP

41

86 ABCD

RESET

SECTION

6

D

FOCUS

FE

42

87 FE

(Page 27)

ERROR

IX

IY

TRACKING

TE

1

96 TE

ERROR

AUTO POWER

LD

PD-O

ADFG

SYSTEM CONTROLLER

CONTROL

20

ADIP

21

99 ADFG

IC801(1/3)

Q1001

APC

OFTRK 26

4 MNT2

XRST 12

68 XIC RST

PD-IN

S-MON 43

20 OSCO

WRPWR 15

7

WRPWR

PD

18

SBUS

SCK

PDI

WPPLPF

3

LPF

MNT1

3

51 XSHOCK

SW

MNT3

5

52 FOK

23 24

19

Q501

X501

19 OSCI

DQSY 14

54 DQSY

DATA CLK

22.5MHz

SQSY 13

53 SQSY

PD SO

106 APC REF

XINT 16

55 XINT

SENS 11

6

SENS

PD SI

4 CH MOTOR DRIVE

XLAT

8

8

XLAT

TX 17

5

TX

IC601

XCS DSP 32

9

XCS DSP

TRACKING

30

TRACKING

21

110 TFDR

SLCU 138

COIL

COIL

32

22

109 TRDR

DRIVE

FOCUS

7

FOCUS

16

111 FFDR

SLCV 139

COIL

5

COIL

15

112 FRDR

DRIVE

11

14

133 SLDU

67 SPDL PWM

9

FOCUS

PWM24

13

134 SLDV

24 CLV U

M602

COIL

25

141 SLDS

25 CLV V

26

DRIVE

23

135 SLDW

26 CLV W

(SLED)

28

24

140 SLCW

PWM1

SWITCH

102 SSB DATA

SLED

3

103 SSB CLK

IC504, 505

MONITOR

M601

IC604

2

1

124 SPVS

46

SPINDLE

2

5

6

127 SPDU

SPCU 130

(SPINDLE)

44

MOTOR

1

2

1

128 SPDV

SPCV 131

36 PD SO

U

42

DRIVE

48

5

6

129 SPDW

SPCW 132

38 PD SI

W

V

SPINDLE

PWM

3

7

MONITOR

35 SLD MONI

OE

SPDL

CLVU CLVV CLVW

2

OFTRK

79 S MON

SLCU

SLCV

34 35 36

17

57 REC WBL SW

• Signal path

SPCW

SPCV

SPCU

49 SPDL START SW

: PB

TO POWER

04B SECTION OE (Page 29)

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