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RF
OPTICAL PICKUP
IC701 +B +B
AN8885SBE1
SERVO AMP 8 9 10 11
RF
RFIN
CSBRT
CEA
SEMICONDUCTOR
LASER 6 LPD
+B
3 ENV 19 ENV
OFTR
DET. TENV
+B
Q701
7 LD
LASER +
POWER DRIVE - OFTR 17 OFTR
+B BDO BDO 12 BDO
-
13 LDON + DET.
+B RF /RFDET 15 /RFDET
DET.
+B FEN 25
PHOTO DETECTOR 4 PDA
-A Ach
+B + FEOUT 24 FE
VCBA Subtracter -
+ VCC 3
-
+B Bch +B
+B
E E +B
5 PDB
+B - VREF 26
+ +B
D C +B GND 14
A B
1 PDE +B +B
D C
- Ech Subtracter
+ -
+
+B +
VCBA +B - -
2 PDF +B + N.C. 18
- Fch +B
+F -
F F +
PDOWN
TEOUT
+B
TBAL
FBAL
TEIN
N.C.
27 28 22 16 23 21
+B
LDON
TBAL
FBAL
TRACKING FOCUS
TE
COIL COIL
T+ T- F+ F-
RF
47 48
DSLF
PLLF
TX 6
SYNDROME DIGITAL AUDIO
CALCULATION INTERFACE
44 ARF PHASE FREQUENCY
DSL COMPARATOR COMPARATOR
DMUTE 16
-B
CIRC
VCO DECODER
X2 59
SYNCHRONIZING
IC702 PROTECTION X701
MN662790RSC INTERPOLATION/ X1 58
EFM DATA SOFT MUTING/
SERVO PROCESSOR/ DEMODULATOR DIGITAL S/P
ATTENUATION CONVERTER
DIGITAL SIGNAL
PROCESSOR/ TIMING
SMCK 19
GENERATOR/
DIGITAL FILTER/ PITCH
D/A CONVERTER DIGITAL DE-EMPHASIS
CONTROL
RSEL 76
BDO 39 BDO +B
SERVO SYNCHRONING 16K
/RFDET 38 /RF DET INPUT INTERPOLATION SRAM
PORT PROTECTION VREF 29 +B
DIGITAL FILTER
RFENV 34 RF ENV
CONVERTER
FE 32 FE PEAK
RAM
LOGIC
DETECTOR/ OUTL 73
A/D
PWM
TE 33 TE ADDRESS AUTO CUE + CD SIGNAL
GENERATOR -
MASH LOGIC
OFT 36 OFT
37 TRCRS SUB-CODE
CLV DEMODULATOR
35 VDET SERVO
LOGIC
OUTR 75
PWM
VREF 29 VREF +
CRCC - R CH
TBAL 31 TBAL CHECK
FBAL 30 FBAL SERVO
CPU CRCC SUBC 55
CHECK SBCK 56
DVSS1 5
41 PLLF2 20
IC703 D/A CSEL
SERVO OUTPUT
AN8739SBE2
43 WVEL CONVERTER PORT PSEL 78
42 DSLF2 79
NSEL
FOCUS COIL/ MICROMPUTER
TRACKING COIL/ LDON 40 LDON
INTERFACE /CLDCK 62
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVER
SENSE
MDATA
FLOCK
TLOCK
BLKCK
SQCK
SUBQ
MCLK
/RST 1
STAT
KICK
/RST
ECM
FOD
MLD
TRD
ECS
TVD
TRV
PC
+B
18 RESET
D4+ SIGNAL 27 28 22 25 26 21 24 23 10 11 12 18 13 14 15 17 8 7 9
GEN.
S701(RESET)
17 D4- FOCUS IN3 26
COIL
STATUS
MDATA
RESET
BLKCK
DRIVE
ST/DO
SUBQ
MCLK
/RST
16
MLD
D3+
TRACKING IN4 25
15 D3- COIL E
DRIVE
12 D1+ IN1 6
TRAVERSE
MOTOR M
_ 11 D1-
TRAVERSE
MOTOR
DRIVE
14 D2+ IN2 3
SPINDLE
SPINDLE
MOTOR M
_ 13 D2- MOTOR
DRIVE
PC2 4