Text preview for : blk25p1.pdf part of PANASONIC SA-PM25 S.M.



Back to : PANASONIC SA-PM25.part1.r | Home

IC701
CD OPTICAL PICKUP

+B

+B

AN8885SBE1

SERVO AMP
SEMICONDUCTOR LASER 6 Q701 LASER POWER DRIVE 7 +B LD + +B LPD

8 RF

9 RFIN

10 CRBRT OFTR DET.

11 CEA 3 TENV ENV 19 ENV

OFTR BDO DET. RF DET. ACH BDO

17 12

OFTR BDO

+B +B 4 PDA +B 13 LDON
+ -

A

+B E E 5 D A D C B C +B 1 PDE
+ -

+B PDB

B

BCH

+B

+B E ECH SUBTRACTER +B + CROSS + -

+B

F

F 2 PDF +B
+ -

+B FCH F

+B
TEOUT TEBPF + -

TBAL

FBAL

27

28

22

TEN

16

23

21 +B

LDON

TBAL

BA5948FPE2

BTL DRIVER

VREF
+ -

26 +B

F+

15

D3+ [CH3]

IN3
+ -

28

TE

IC703

FBAL

FOCUS COIL
F16 D3+

LEVEL SHIFT + -

TRACKING COIL
T18 D4+

[CH4] + -

[CH2] TRV13 D2+ -

[CH1] SP11 D+ -

+ -

M702 SPINDLE MOTOR

M

+ -

SP+

12

D1+

LEVEL SHIFT

+ -

M701 TRAVERSE MOTOR

M

+ -

TRV+

14

D2+

LEVEL SHIFT

+ -

+ -

T+

17

D4-

IN4 LEVEL SHIFT

27

IN2

1

IN1

3

MUTE [CH1]

PC1

4

MUTE [CH2]

PC2

2

+ -

VCBA

+ -

+B

+ -

PHOTO DETECTOR

+ -

+B

/RFDET FEN

15 25

/RFDET

VCBA
+ -

SUBTRACTER

FE OUT VCC

24 3

FE

+B

VREF GND

26 +B 14

VDET

18 +B

FOD

TRD

LOADING TVD

ECS ECM

PC

TO MAIN UNIT +B +B

IC702 MN662790RSC

E
66
IOSEL

78
PSEL

79
MSEL

80
SSEL

SERVO PROCESSOR/DIGITAL SIGNAL PROCESSOR DIGITAL FILTER/D/A CONVERTER

66

CLVS CRC

67 BLKCK 13 62 56 55 68 80 +B SQCK SUBQ 14 15 53 48 52 41 DSLF2 47

PWM (R)

BLKCK
CD-TEXT BUFFER

/CLDCK SBCK SUBC DEMPH SSEL
SUBCODE BUFFER

8 TIMES OVERSAMPLING DIGITAL FILTER

DIGITAL DE-EMPHASIS

+ -

OUTR

75

RCH

1 BIT DAC PWM LOGICS

PWM (L)

+ -

OUTL

73 CD SIGNAL TO MAIN UNIT

SQCK SUBQ PCK PLLF EFM PLLF2 DSLF

FLAG
EFM DEMODULATION/ SYNC INTERPOLATION SUBCODE DEMODULATION

65 64 6

IPFLAG DIGITAL AUDIO INTERFACE TX

ECM
16K SRAM

24 25 23 2 3 1 16 42 26 21 29 +B 22 27 28 31 30 12 11

ECM ECS PC

DIGITAL AUDIO INTERFACE

ECS PC LRCK

CIRC ERROR CORRECTION/ DEINTERLEAVE

DSL/PLL VCO

46 44 76 +B 78 MLD MCLK D309 D311 9 7 8 45 +B STAT 17

DRF ARF RSEL PSEL

INTERPOLATION/ SOFT MUTING/ DIGITAL ATTENUATION

SRDATA BCLK DMUTE DSLF2 KICK

DSLF2

MLD TRV MCLK MDATA IREF TRD STAT MICRO COMPUTER INTERFACE SERVO CPU OUTPUT PORT FOD TBAL FBAL TIMING GENERATOR PITCH CONTROL /TLOCK /FLOCK D/A CONVERTER VREF TVD

MDATA D310

TVD TRD FOD TBAL FBAL

79

MSEL VCOF2 VCOF BYTCK VCO

54 49 61

A/D CONVERTER
X2 OUT RFENV

INPUT PORT

SERVO TIMING GENERATOR
/RFDET SENSE WVEL LDON

TRCRS

SMCK

VDET

CSEL

FCLK

X1 IN

BDO

19

63

20

59

58

32

33

34

37

35

39

38

OFT

FE

TE

36

10

43

40

18

X701 (16.9344 MHz)

/RFDET

ENV

/CDRST

BDO

LDON

OFT

FE

TE

/RST