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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 PEAK DETECTOR/ AUTO CUE SUB-CODE DEMODULATOR CRCC CHECK CRCC CHECK MASH LOGIC
+B +B
RAM ADDRESS GENERATOR CLV SERVO
+ -
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
SUBQ
SQCK
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