Panasonic SL-SX450EB, Service Manual

12 Block Diagram

24

26

1

TBAL

25

28

4

29

16

LDON

NRF

DET.

8

11

+B4

2

OFTR

12

SUBT

RFENV

NRFDET

3

+B4

22

23

FE

15

13

BDO

14

10

19

9

3TENV

+B4

3TOUT

OFTR

BDO

NRFDET

FE IN

FE

Vcc

VREF

FBAL

TBAL

27

F

F

E

E

GCTL

PDE

PDF

PDB

LD

PD

ARF

DCDET

OFT

-

CONT

CEA

C

A

D

D

B

C

LDON

FO-

27

28

FO+

H-BRIDGE1

PRE

DRIVER1

FO+

FO-

TR+

TR-

FBAL

VREF

VREF

TRAVERSE

MOTOR

M

SPINDLE

MOTOR

SEMICONDUCTOR

LASER

PHOTO DETECTOR

FOCUS COIL

TRACKING COIL

TR-

29

30

TR+

H-BRIDGE2

PRE

DRIVER2

RI1

FI1

TRV-

32

33

TRV+

H-BRIDGE3

PRE

DRIVER3

TRV+

TRV-

14

PVcc1

+B2

4

A

Vcc

PVcc/2

MONITOR

25

MON

MON

AMP

GCA

BCA

AMP

GCA

BCA

SUBT

AMP

GCA

BCA

AMP

GCA

BCA

20

21

TE

TE IN

TE

EQSW

17

GND

BAND

GAP

18

PDO

WN

PDOWN

PMCK

15

GND

9,16,

26,36,

47

CLK

LASER

POWER

DRIVE

Q201

LOGIC2

LOGIC3

LOGIC1

M

SP-

34

35

SP+

H-BRIDGE4

PRE

DRIVER4

SP+

SP-

LOGIC4

23

24

21

22

FI2

RI2

19

20

17

18

FI3

RI3

SPPOL

SPOUT

FO+

FO-

TR+

TR-

TRV+

TRV-

SPPOL

SPOUT

37

SHORT

PROTECT

SOFT

SPR

T

38

OSC

START/

OFF

41

POWER

OFF/

ST

AR

T

UP

CON

1

48

VMI

CIN

VNIC

VG

2

3

+B2

RIPPLE

FILTER

45

CRIP

SUB UP

CONVERTER

5

VSUB

UP/DOWN

CONVERTER

6

SSW

7

SVcc

+B3

8

10

USW

DSW

REG.

ERROR

AMP

13

PVcc2

+B1

46

CHARGE

12

REGB

REGB

43

44

EO

EI

SOFT

START

OPEN

VG

LG

C0DBFFB00004

IC11

POWER SUPPLY /

MOTOR DRIVE

V

DD

GND

31

PDA

X2

RESET1

39

RESET1

+B5

RESET1

RESET2

RESET2

40

PVcc

+B2

11

OFTR

RF AMP

5

6

AGC

RFEQ

BDO

RFOUT

RFIN

7

CAGC

+B4

32

SHARP=H

VREF

31

PVcc

+B2

REGU-
LATOR

CHARGE2

+B4

C0CBAAB00043

IC13

+B4

30

PDC

VC

RF

OPTICAL PICK-UP

AN22003A-NF

IC101

SERVO AMP

SWITCH

-ING

Q101

+B8

+B4

+B6

+B2

MN6627935CM

IC501

SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR

DIGITAL FILTER & D/A CONVERTER

52

ARF

DSL/PLL VCO

72

74

MLD

MCLK

MCLK

MLD

51

IREF

53

DSLF

56

PLLFO

55

PLLF

EFM
DEMODULATION/
SYNC
INTERPOLATION/
CIRC ECC/
CDROM ECC

73

MDATA

MDATA

75

STAT

STAT

MICRO

COMPUTER

INTERFACE

49

INPUT

PORT

47

48

BDO

NRFDET

OFTR

BDO

NRFDET

OFT

A/D

CONVERTER

43

45

FE

TE

RFENV

FE

TE

RFENV

42

OUTPUT

PORT

36

TIMING

GENERATOR

SMCK

77

X2

84

85

X1

DRAM INTERFACE

A0~10

8~13,

19~22,

25

1~4,

88~97,
99,100

LOOUTL

LOOUTR

58

60

DIGITAL OUT

79

FLAGO

28

DV

DD

1

61

LOV

DD

+B3 +B5

DV

DD

2

87

82

NTEST

C3ABMG000207

IC503

DRAM

X501

(16.9344MHz)

A0~10

16

DQ0~15

20~24,

27~32

15

17

18

16

NCAS

NCS

NRAS

NWE

NCAS

34

CKE

NWE

17

15

NRAS

V

SS

Q

4,10,
41,47

SERVO

CPU

SPPOL

30

SPPOL

TRM

TRP

35

RI2

SPOUT

29

SPOUT

TBAL

FBAL

FOP

FOM

40

41

37

38

TR

VM

TR

VP

LDON

32

31

46

FI1

FBAL

TBAL

RI1

FI3

RI3

LDON

D0~15

2,3,5,6,8,

9,11,12,

39,40,42,
43,45,46,

48,49

50

AV

DD

+B3

AD PVcc

44

FI2

NRST

81

IO

V

DD

2

IO

V

DD

1

86

39

+B3

78

DV

DD

3

67

CIRC RAM

DRC
DIGITAL FILTER
1bit DAC
PWM LOGIC

ANALOG
LOW PASS
FILTER

BUS CONTROL
UNIT (BCU)

57

83

A

Vss

DVss3

24

DVss1

34

REGON

SUBCODE

INTERFACE

SERIAL OUTPUT
INTERFACE

HPOUTL

66

HPOUTR

63

HPCNT

62

MP3
DECODER

FS
CONVERTER

HPCNT

69

MUTELD/

SRDATAIN

70

CKBM/

LRCKIN

71

LDOFF/
BCLKIN

76

BLOCK

BLKCK

PMCK

BLVS/

BCLK

80

SMCK

6

SDRCK

35

CLK

27

BA0

19

BA

26

BA1

5

UDQM

36

UDQM

14

LDQM

14

LDQM

+B7

7,13,
38,44

V

DD

Q

V

SS

26,50

HPV

DD

+B3

64

54

PWMSEL

59

LOVss

65

HPVss

68

DVss2

DR

V

DD

2

DR

V

DD

1

98

23

+B7

NRST

+B7

1,25

V

DD

IPFLAG2/SRDATA

33

SL-SX450(EG,EB,EE,GC,GN) BLOCK DIAGRAM

GCTL

MON

PMCK

REGULATOR

C0CBAAC00159

IC651

SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN

23