Sharp CD-BA1700H Service Manual download pdf (Page 15)

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CD-BP160W/180W/1500W/1700W

Figure 15 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

CONSTANT

VOLTAGR

+5V

Q1

Q3

LASER

DRIVER

LDD

PD

VCC3

VCC2

VCC4

VCC1

TIN2

TIN1

FIN2

FIN1

IC3

M63001FP

FOCUS/TRACKING/

SPIN/SLED DRIVER

IC1

LA9235M

SERVO AMP.

TO MAIN SECTION

(TO IC401)

R-CH

L-CH

AGND

DGND

+5V(+B3)

RCHO

RVSS

LVSS

LCHO

IC2

LC78641E

SERVO/SIGNAL

CONTROL

-

+

M

SW1

OPEN/

CLOSE

XL1

16.9344MHz

6

5

43

3

2

5

4

1

12

34

7

8

217

89

10

12

4

3

5

SW2

CLAMP

SW3

DISC

NUMBER

M3

T/T

UP/DOWN

MOTOR

6

12

4

3

56

12

4

3

56

75

76

45 46

47 48 32 31

30

65

66

67

68

69

70

71

72

CE

CL

DI

DO

INT

WRQ

RES

DEF

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

18

24

23

28

SW4

PICKUP IN

+3.3V

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 59 60

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