Sharp CD-BA3000 Manuel de service télécharger pdf (Page 13)

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CD-BA3000

Figure 13 BLOCK DIAGRAM (1/3)

CNP12

CNP11

Q2

+3.3V

+5V

CONT5

CONT2

CONT3

CONT4

CONT7

CONT6

SLD0

SPD0

FD0

TD0

+5V

TO DISPLAY SECTION

CLAMP SW

CDINT

WRQ

CE

DO

CLK

DI

CD RES

GND

DRF

CNS4

BI4

CNP4

M2

SLED

MOTOR

M1

SPINDLE

MOTOR

M

M

TRACKING COIL

FOCUS COIL

PICKUP UNIT

TE

FE

RFEV

HFL

VVDD

ADAVDD

VDD

LVDD

RVDD

XVDD

VDD5V

RFEV

FE-

FE

TE-

TE

HFL

+3.3V

Q1

LDD

PD

TIN2

TIN1

FIN2

FIN1

IC3

M63001FP

FOCUS/TRACKING/

SPIN/SLED DRIVER

IC1

LA9235M

SERVO AMP.

TO MAIN SECTION

(TO IC601)

R-CH

L-CH

AGND

DGND

DGND

DIGITAL

OUT

+B6(+5V)

+B5(+5V)

RCHO

RVSS

LVSS

LCHO

IC2

LC78641E

SERVO/SIGNAL

CONTROL

–

+

M

SW1

OPEN/

CLOSE

XL1

16.934MHz

6

5

43

3

2

5

4

1

12

34

7

8

217

89

10

12

4

3

5

TO DIGITAL

OUTPUT SECTION

CNS99

SW2

CLAMP

SW3

DISC

NUMBER

M3

T/T

UP/DOWN

MOTOR

6

12

4

3

56

12

4

3

56

7537

76

45 46

47 48 32 31

30

65

66

67

68

69

70

71

72

CE

CL

DI

DO

INT

WRQ

RES

DRF

52

51

XOUT

XIN

73

5

18

36

44 49 50 7 14 15 16

23

24

25

26

33

3

13

19

40

64

74

17

18 19 20

21

22

30

23

11

9

1

4567

15

16 26 27

2 1725 4142 3839

35

29

22

21

14

8

40

24

23

28

3

21

Q3

LASER

DRIVER

CONSTANT

VOLTAGE

+3.3V

+5V

VCC4

18

VCC1

TO

VCC2

VCC3

FD

SLDO

SPO

LD_M–

LD_M+

LOADING

M–

LOADING

M+

FO+

FO–

TR+

TR–

SL–

SL+

SP+

SP–

SW4

PICKUP IN

CNP5

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 59 60

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