Sharp CD-DK890N Service Manual download pdf (Page 11)

CD-DK890N

4 – 3

[2] CD Block Diagrams

Figure 4-3: CD BLOCK DIAGRAM

18 1968

5251

74

7875

76 876521

37

26

20

40

32

24

25

22

23

54

55

56

77

71

67

57

73

72

49

48

47

46

45

44

43

PUIN

DRIVER

SPIN/SLIDE

FOCUS/TRACKING/

LA6261

IC2

VIN4

FWD6

VO6+

VO6-

VO5+

VO5-

REV6

VIN3

VIN2

PVCC1

SVCC

PVCC2

VCONT6

VCONT5

VIN1

REV5

REG IN

REG OUT

FWD5

IC1

LC78690E

CD SERVO

LCHO

RCHO

CONT1

CONT0

SLDO

SPDO

FDO

TDO

LDD

LDS

DIN

BIN

1413

FIN

EIN

CIN

AIN

LRVDD

XVDD

DVDD

DVDD

DVDD

36 41

AVDD

XIN

XOUT

INTB1

INTB0

66

38

DVDD 1.8

DVDD 1.8

RESB

DO

DI

CL

CE

TO DISPLAY SECTION

TO MAIN SECTION

CNP3

CNP7

M1

TRAY MOTOR

MGND

PICKUP UNIT

IN

PICKUP

NSW 1

+3.3V

MOTOR

SPINDLE

NM1

MOTOR

SLED

NM2

COIL

TRACKING

FOCUS COIL

16.9344 MHz

XL1

+7.5V

DRIVER

LASER

+3.3V

CONSTANT

VOLTAGE

+3.3V

+3.3V

Q1

R-CH

AGND

L-CH

D_+5V(+B5)

+5V

GND

PHOTO

MO_A-

CD_RES

MO_A+

CD_DI

CD_DO

CD_CLK

CD_CE

+

--

+7.5V

7

27

28

24

21

9

17151311

23

22

32 3331 34

30

19

20

26

8

10

4

56

Q2

Q3

3363521

7 1 2 3 4 5 6

10

MP3_INT

11

CD_INT

12

TRAY SW1/SW2

GND

RX1

SW3 TRAY SW2

SW2 TRAY SW1

SW1 CLAMP

SW4 DISC

PHOTO

5V

13

DISC/CLAMP

143 1 9 8 7 6 52 4

CNP4

10 113 1 9 8 7 6 52 4

53

M

M2

MAIN CAM

MOTOR

+

M

M

M

42

DGND

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 88 89

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