Service manual

ManualsBrandsSharp ManualsDocking StationQT-CD121H

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9

QT-CD121

– 8 –

Figure 8 BLOCK DIAGRAM (1/2)

62

51

37

46

56

39

55

38

54

33

53

32

11

8

42

21

25

20

38

34

35

36

2

31

~

+5V

FOCUS COIL

TRACKING COIL

PICKUP UNIT

3

10

19 23 25

1

2

17

11

18

12

49

50 52 5351

54

Q804

+5V

23

6

63

43

64

10

44

12

45

9

14

13

43

16

44

17

18

19

20

15

32

40

1

61 58

57

CL, DAT, SELIAL CONTROL

CONSTANT

VOLTAGE

REGULATOR

16

27

31

28

15

30

29

M

M

MOTOR

SLIDE

MOTOR

SPIN

1

2

3

4

9

~~ 1714

XIN

XOUT

K1

CD

OPERATION

KEY

SW771~SW774

RC IN

LID

SW761

OPEN/CLOSE

SENSOR

REMOTE

RX771

~~

57

24

27

28

31

60 41 44 30 33 22 23

37

CD LCD

LCD701

PICKUP IN

PU-IN SW

19

13

14

SL+

SL–

+7.4V

(CD)

1

2

3

4

5

6

GND (A)

R-CH

L-CH

GND (D)

POWER GND

+7.4V (D)

SECTION

MAIN

TO

VVDD

XIN

XOUT

VDD

XVDD

EFMO

EFMIN

CLV+

CLV–

V/P

HFL

TES

TOFF

JP–

JP+

TGL

RES. CQCK. COIN

SQOUT. RWC. WRQ

LCHO

LC78622E

IC802

SERVO/SIGNAL

CONTROL

16.93MHz

XL801

SLI

SLC

CV+

JP–

DRF

CE

DAT

CL

CLK

THLD/DEF

SLD

SLEO

SPO

FD

TO

SL+

SL–

F

E

FIN1

FIN2

64 62

+5V

Q805

VCC1

LDO

LASER

DRIVER

SERVO AMP.

LA9240M

IC801

22

2

+7.4V

7

5

6

8

28

26

13

27

IC804

BA5914FP

FOCUS/TRACKING

/SPIN/SLIDE

DRIVER

M701

M702

SW702

RES

SL–

DRF

WRQ

RESET

VLC3

VDD

+5V

(D)

4MHz

X701

IC701

IX0105AW

SYSTEM

MICROCOMPUTER

COM0

SEG1

SEG4

COM3

CD LID