Sony Ericsson Block Diagram — Cd Section, CDX-M620/M670, • Signal path, • R-ch :same as L-ch

CDX-M620/M670

4-3. BLOCK DIAGRAM — CD SECTION —

CDL

4

TUNER

RF AMP, LD APC,

DIGITAL SERVO,

ATT

OPTICAL PICK-UP

CD SYSTEM CONTROL

SECTION

SYSTEM CONTROL

ERROR AMP

DIGITAL SIGNAL PROCESSOR

KSS-720A

IC1

IC501

IC5

(Page 35)

IC501 (1/3)

• Signal path

A MUT

19

5

ATT

A

:CD

A

5

OPEN

6

58 CD EJECT OK

CLOSE

7

59 CD OPENREQ

• R-ch : same as L-ch.

C

7

C

RF

RFO

RFAC

EFM

D/A

D/A

LOUT1

79

(Page 36)

BUS CLK

51

19 UNI CLK

16

61

BUS SI

52

17 UNI SI

B

6

B

EQ

DEM

I/F

CONV.

LOUT2

79

R-CH

1

18 UNI SO

54 RFDC

CD ON

BUS ON

61

14

BUS ON

SIRCS INTERFACE

I-V

DISPLAY

RESET

30

6

SYS RST

D

8

D

MD ON

IC801

CONV.

SECTION

BU IN

60

77 BU IN

FOCUS

17

CDM ON

85 RAM BU

18

CD ON

90 RSTX

SIRCS 24

17 D3

G0 9

ERROR

DIGITAL

LOCK

34

46

LOCK

S60

86 HSTX

CLV

XIN XOUT

FE

14

50 FE

(RESET)

IC502

3

4

E

E

11

TRACKING

TE

52 TE

SQSO

SI2

13

6

49

F

10 F

ERROR

SUB

SQCK

7

48

SCK2

1

RESET

2

BU 5V

X801

51 SE

CODE

SCOR

SW901

4MHz

PD

PROCESS

24

64

SCOR

PD

4

(RESET)

LD

LD ON 22

MD2 73

71

MD2

XRST

11

21

CD RST

LD

AMP

HOLD SW 21

DATA 13

67

CD DATA

BATT (H)

LD

BATT

LD

DRIVE

3

AGC CONT 20

XLAT

14

68

CD XLAT

CHECK

Q101

SCLK

17

45

SCLK

Q603

CLOK

15

65

CD CKO

TRACKING/FOCUS COIL DRIVE

SENS

16

57

SENS

SLED/SPINDLE/LOADING MOTOR DRIVE

GFS

22

55

GFS

IC7

FOK

32

54

FOK

BUS INTERFACE

FOCUS

FFDR

XTALI

32

31

XIN

IC601

FOCUS

10

22

42

COIL

FRDR

X2

X1

COIL

BATT (L)

11

DRIVE

21

43

10

3

BATT

16MHz

10MHz

CHECK

XTALO

32

32 XOUT

TRACKING

8

TRACKING

25

40

TFDR

SERVO

COIL

TRDR

COIL

CTL

13

RESET

2

9

DRIVE

24

41

SW4

11

SSTP

M902

SFDR

(LIMIT)

Q602

6

SLED

31

38

SW1

D SW

10

BUS ON

SLED

MOTOR

SRDR

12

1

7

32

39

(DOWN)

CONT

MOTOR

DRIVE

SW3

62

IN SW

8

M901

SPINDLE

(DISC IN)

12

MDP

9

6

3

SPINDLE

MOTOR

18

35

SW2

63

SELF SW

DATA

13

6

5

2

MOTOR

DRIVE

(SELF)

8

4

1

M903

LOADING

CLK

7

5

1

69

LM EJ

11

4

CN601

LOADING

MOTOR

MOTOR

4

DRIVE

2

66

LM LOD

BUS

40

SLED –

CONTROL IN

MUTE 1 34

70

DRV OE

MUTE 2 35

20

LD ON

22

HOLD

23

AGC CONT

53

BUS SO

	SRST
2	BUS CLK
	BUS SI
DISPLAY	BUS ON
	BU CHECK
SECTION	UNI SO
	LINK OFF
(Page 36)
	SIRCS

34 34