Sharp CD-MPS700 Service Manual download pdf (Page 49)

CD-MPS700

4 – 2

Figure 4-2 BLOCK DIAGRAM (2/4)

+5V

+5V

+3.3V

+3.3V

++

-

-

M

M

SPIN/SLED DRIVER

REGULATOR

VOLTAGE

SI3033LUS

IC6

MDATA15

MDATA12

MDATA11

MDATA8

ADRS8

ADRS4

ADRS3

ADRS0

DRASB

DWEB

MDATA7

MDATA4

MDATA3

MDATA0

DCASLB

DCASUB

D0EM

VCC

VCC

VCC

ADRS0

ADRS7

ADRSB

WEB

RASB

MDATA15

MDATA8

MDATA7

MDATA0

OEB

CASUB

CASLB

DVDD6

DVDD5

DVDD4

DVDD3

DVDD2

DVDD1

INTB

CMDOUT

FSYNC

X1 X2

RESET

CE

CL

SYS-DI

FSYNC

MP3 DO

INTB

XL2

Q5

Q4

Q3

MICROCOMPUTER

SPINDLE

SLED

NM2

NM1

MOTOR

MOTOR

PICKUP IN

NSW1

MP3 DECODER

LC78684E

IC3

LRSY

ADDATA

ADBCK

ADLRCK

C2FIN

CKIN(16M)

CKOUT

DATAIN

DATACK

IC4

LV1625635T

IC2

LA6261

IC5

IXA006AW

SYS-CE

SYS-CL

SYS-DO

AVDD

VDD

VDD

FOCUS/TRACKING

4.19 MHz

D-RAM

28

33

34

21

24

31

32

43135

13111517

23665

27

9

10

19 23 2220

25

19

18

11

10

301214291743

15

16

144282627 9232437

2

1

3

29

30

31

23

44

39

1

6

22

53

50

30

33

40

23

42

60

41

2

5

7

10

43

40

38

35

28

24

21

18

16

15

76

75

32

69

62

14

20

22

52

10

12

8

6

43 44 45 68 61 51 31 21 11 77 73 66

80 979 7 5 4 3 2 1

MO_B-

MO_B+

MOT_A+

MOT_A-

VIN4

VIN3

VIN1

VIN2

VO4+

VO4-

VO3+

VO3-

PVCC1

SVCC

PVCC2

REGOUT

VO1-

VO1+

VO2-

VO2+

1 ... 48 49 50 ... 116

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