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RF

OPTICAL PICKUP

IC701 AN8885SBE1

+B

+B

SERVO AMP
SEMICONDUCTOR LASER 6 LPD
+B

8
RF

9
RFIN

10
CSBRT

11
CEA

OFTR DET.
+B

3 TENV

ENV 19

ENV

Q701 LASER POWER DRIVE
+B

7

LD

+ -

OFTR 17 BDO DET. RF DET. BDO 12 /RFDET 15 FEN 25

OFTR BDO /RFDET

13

LDON
+B

+

+B

PHOTO DETECTOR

4

PDA
+B

-A + +B

Ach VCBA Subtracter
+B

+

FEOUT 24 VCC 3
+B

FE

+B

Bch

E

E 5 PDB
+B +B

D A D

C B C 1 PDE +
+B +B +B

+
+B

VREF 26 GND 14

+B

Ech VCBA

Subtracter
+B
+

+ +
+B
PDOWN TEOUT

2 F F

PDF +F
+B

N.C. 18

Fch
TBAL FBAL TEIN

+
N.C.

27

28

22

16

23

21

LDON

TBAL

TRACKING FOCUS COIL COIL
RF

FBAL

+B
TE

T+

T- F+

F-

47
DSLF

48
PLLF

44 ARF

SYNDROME CALCULATION DSL PHASE COMPARATOR FREQUENCY COMPARATOR

DIGITAL AUDIO INTERFACE

TX 6

DMUTE 16 VCO CIRC DECODER X2 59

-B

IC702 MN662790RSC

SYNCHRONIZING PROTECTION EFM DATA DEMODULATOR INTERPOLATION/ SOFT MUTING/ DIGITAL ATTENUATION X1 58 S/P CONVERTER TIMING GENERATOR/ PITCH CONTROL SMCK 19 RSEL 76 VREF 29

X701

SERVO PROCESSOR/ DIGITAL SIGNAL PROCESSOR/ DIGITAL FILTER/ D/A CONVERTER
BDO /RFDET RFENV FE TE OFT 39 BDO 38 /RF DET 34 RF ENV 32 FE 33 TE 36 OFT 37 TRCRS 35 VDET VREF TBAL FBAL 29 VREF 31 TBAL 30 FBAL SERVO CPU SERVO INPUT PORT
A/D CONVERTER

DIGITAL DE-EMPHASIS SYNCHRONING INTERPOLATION PROTECTION 16K SRAM DIGITAL FILTER
PWM LOGIC

+B +B

CLV SERVO

SUB-CODE DEMODULATOR CRCC CHECK CRCC CHECK

MASH LOGIC

RAM ADDRESS GENERATOR

PEAK DETECTOR/ AUTO CUE

+ -

OUTL 73

CD SIGNAL

PWM LOGIC

+ -

OUTR 75 R CH

SUBC 55 SBCK 56 DVSS1 5 20 CSEL PSEL 78 79 NSEL /CLDCK 62

IC703 AN8739SBE2

41 PLLF2 43 WVEL 42 DSLF2 40 LDON D/A CONVERTER SERVO OUTPUT PORT MICROMPUTER INTERFACE

FOCUS COIL/ TRACKING COIL/ LDON TRAVERSE MOTOR/ SPINDLE MOTOR DRIVER
/RST 1 18 D4+ RESET SIGNAL GEN. FOCUS COIL DRIVE TRACKING COIL DRIVE TRAVERSE MOTOR DRIVE SPINDLE MOTOR DRIVE IN3 26

SENSE

MDATA

FLOCK

TLOCK

BLKCK

SQCK

SUBQ

MCLK

STAT

KICK

/RST

ECM

FOD

MLD

ECS

TRD

TVD

TRV

PC

+B

27 28 22 25 26 21 24 23

10 11 12 18

13 14 15

17

8

7

9 S701(RESET)

17 16 15 12 TRAVERSE MOTOR

D4D3+ D3D1+ D1D2+ D2-

STATUS

MDATA

IN4 25

RESET

BLKCK

ST/DO

SUBQ

MCLK

/RST

MLD

E

M _ M _

IN1 6

11 14

IN2 3 PC2 4

SPINDLE MOTOR

13