Block diagram-cd section – Sony Ericsson CDX-M620 User Manual

Page 34

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34

34

CDX-M620/M670

I-V

CONV.

FOCUS

ERROR

DIGITAL

CLV

SUB

CODE

PROCESS

TRACKING

ERROR

LD

DRIVE

Q101

FOCUS

COIL

DRIVE

RF
EQ

EFM

DEM

D/A

I/F

D/A

CONV.

RFO

RFAC

FE

TE

SE

RFDC

FFDR

FRDR

TFDR

SFDR

SRDR

MDP

TRDR

TE

FE

E

D

B

C

A

F

11

10

PD

4

LD

3

7

6

8

13

14

16

LD

AMP

LD ON

HOLD SW

AGC CONT

22

21

20

5

RF AMP, LD APC,

ERROR AMP

IC1

DIGITAL SERVO,

DIGITAL SIGNAL PROCESSOR

IC501

TRACKING/FOCUS COIL DRIVE

SLED/SPINDLE/LOADING MOTOR DRIVE

IC7

10

11

22

21

TRACKING

COIL

DRIVE

8

9

25

24

SLED

MOTOR

DRIVE

6

7

31
32

FOCUS

COIL

TRACKING

COIL

M902
SLED

MOTOR

SPINDLE

MOTOR

DRIVE

12

13

18

M901

SPINDLE

MOTOR

LOADING

MOTOR

DRIVE

5

4

1

2

34

35

M903

LOADING

MOTOR

MUTE 1

MUTE 2

42

43

40

41

38

39

35

52

51

50

61

79

SQSO

6

SQCK

7

SCOR

MD2

24

73

XRST 11
DATA 13

XLAT 14
SCLK 17

CLOK

LOUT2

15

SENS 16

GFS 22
FOK

XTALI

XTALO

32

32

32

LOCK

34

54

SERVO

CTL

X1

10MHz

SW4

(LIMIT)

SW1

(DOWN)

SW3

(DISC IN)

SW2

(SELF)

LM EJ

69

LM LOD

66

SLED –

40

DRV OE

70

LD ON

20

HOLD

22

AGC CONT

23

SSTP

11

FOK

XIN

XOUT

54

GFS

55

SENS

57

CD CKO

65

SCLK

45

CD XLAT

68

CD DATA

67

CD RST

21

MD2

71

SCOR

64

SCK2

48

SI2

49

LOCK

R-CH

79

LOUT1

CD ON
MD ON

46

CD ON

18

CDM ON

17

D SW

10

IN SW

62

SELF SW

63

CD SYSTEM CONTROL

IC5

SYSTEM CONTROL

IC501 (1/3)

BUS CLK 51

A MUT 19

OPEN 6

BUS SI 52

BUS SO

SRST

BUS CLK

BUS SI

BUS ON

BU CHECK

UNI SO

LINK OFF

SIRCS

53

DISPLAY
SECTION

1

4

ATT

TUNER

SECTION

CDL

DISPLAY
SECTION

2

BUS ON 61

RESET 30

BU IN 60

SW901

(RESET)

S60

(RESET)

HSTX

RESET

1

85

X2

16MHz

2

IC502

BU 5V

XIN XOUT

17

3

4

9

SIRCS INTERFACE

IC801

X801

4MHz

BATT (H)

CHECK

Q603

BATT (L)

CHECK

BATT

86

RSTX

90

SIRCS 24

BU IN

RAM BU

77

SYS RST

6

BUS ON

14

UNI SO

18

UNI SI

17

UNI CLK

19

CD EJECT OK

58

CLOSE 7

CD OPENREQ

59

ATT

5

BATT

10

3

RESET

13

2

BUS ON

CONT

12

9

8

11

1

4

6

BUS INTERFACE

IC601

CLK

DATA

5

4

6

2

1

3

8

7

CN601

BUS

CONTROL IN

Q602

A

C

B

D

E

F

PD

LD

OPTICAL PICK-UP

KSS-720A

• Signal path

:CD

31

32

D3

G0

• R-ch : same as L-ch.

4-3. BLOCK DIAGRAM — CD SECTION —

(Page 36)

(Page 35)

(Page 36)

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