Sony MZ-E800 service manual Slcv

MZ-E800

6-2.

BLOCK DIAGRAM – MAIN Section (2/2) –

DIGITAL SIGNAL PROCESSOR,

DIGITAL SERVO SIGNAL PROCESSOR,

EFM/ACIRC ENCODER/DECODER,

SHOCK PROOF MEMORY CONTROLLER,

ATRAC ENCODER/DECODER,

D/A CONVERTER, 16M BIT D-RAM

IC601 (2/2)

SLED

VOLTAGE MONITOR

IC552

5

7

139

SLCV

6

3

1

138

SLCU

2

FOCUS/TRACKING COIL DRIVE,

SPINDLE/SLED MOTOR DRIVE

IC551

TRK+, TRK-

OSCI

19

X601

A

FCS+, FCS-

TRK+

30

FO3

20

22.5792MHz

PRE

FI3

OSCO

HI-BRIDGE

21

110

TFDR

(Page 22)

RI3

TRK-

32 RO3

DRIVER

CONTROL

22

109

TRDR

SPINDLE SERVO DRIVE SWITCH

FCS+

FO1

IC504

7

FI1

X801

PRE

HI-BRIDGE

16

111

FFDR

SPVS 124

1

2

16.9344MHz

RI1

FCS-

RO1

DRIVER

CONTROL

15

112

FRDR

7

45

XTAL

5

SPDU 127

6

5

3

M902

RI2

46

EXTAL

(SLED)

11

FO2

13

134

SLDV

SPINDLE SERVO DRIVE SWITCH

M

PRE

HI-BRIDGE

FI2

RO2

DRIVER

CONTROL

PWM24

14

133

SLDU

IC505

9

25

141

SLVS

SPDV 128

1

2

26

FO4

FI4

135

SLDW

7

SYSTEM

RO4

PRE

HI-BRIDGE

RI4 23

SPDW 129

6

5

CONTROLLER

28

DRIVER

CONTROL

24

140

SLCW

3

IC801 (2/3)

37 COM

COW0

34

132

SPCW

38 CPW1

39 CPV1

COV0

35

131

SPCV

40 CPU1

COU0

36

130

SPCU

M901

(SPINDLE)

49

SPDL START SW

46 UO

W1

35

SLD1 MON

VO

PRE

3 PHASE

V1 48

26

CLV W

44

U1

1

25

CLV V

DRIVER

CONTROL

2

24

CLV U

PWM1

42 WO

3

67

SPDL PWM

OE

17

27

XRST MTR DRV

BIAS

05

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– 24 –