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RF
IC701 AN8837NSBE1
OPTICAL PICKUP SEMICONDUCTOR LASER Q701 LASER POWER DRIVE 7 LD + BDO DET. 6 LPD
+B
8 RF 9 10
+B
11 CEA 3 TENV ENV 19 ENV
SERVO AMP
+B +B
RFIN CSBRT OFTR DET.
OFTR BDO /RFDET FEN
17 12 15 /RFDET 25
OFTR BDO
+B +B
4 PDA A +
+
RF DET.
Ach VCBA Subtracter + FEOUT VCC 24 3 FE
+B
PHOTO DETECTOR
+B
13 LDON B +
Bch
+B
+B
5
+B
Vref + VREF GND 26
PDB
E
E
+B
14
+B
1 D A D C B C 2 PDF F F F + Fch PDE + Ech Subtracter
+B +B
+
+B
VCBA
+B +B
TBAL FBAL TEIN PDOWN
27
28
22
16
23
21
LDON
TBAL
FBAL
RF
TE
+B +B
47
48
4 80 50 60 72
DSLF
PLLF
SSEL
DV DD1
AV DD2
AVDD1
V DD
N.C.
+B
TEOUT
TRACKING COIL T+ T- F+
FOCUS COIL F-
SYNDROME CALCULATION
IC702 MN662746RPK1
44
ARF
DSL
PHASE COMPARATOR VCO
FREQUENCY COMPARATOR
SERVO PROCESSOR/ DIGITAL SIGNAL PROCESSOR/ DIGITAL FILTER/ D/A CONVERTER
BDO /RFDET ENV FE TE OFT 39 38 34 32 33 36 37 35 VREF TBAL 29 31 30
Q702
SYNCHRONIZING PROTECTION
EFM DATA DEMODULATOR
INTERPOLATION /SOFT MUTING /DIGITAL ATTENUATION
BDO /RF DET RF ENV
SERVO INPUT PORT
SYNCHRONIZING INTERPOLATION PROTECTION
16K SRAM
A/D CONVERTER
PWM LOGIC
FE TE OFT TRCRS VDET VREF TBAL FBAL
RAM ADDRESS GENERATOR
PEAK DETECTOR/ AUTO CUE
CLV SERVO
SUB-CODE DEMODULATOR
MASH LOGIC
PWM LOGIC
CRCC CHECK SERVO CPU
IC703 AN8780NSBE2
FBAL
CRCC CHECK MIRCOMPUTER INTERFACE
SENSE
FLOCK
TLOCK
BLKCK
MDATA
KICK
/RST
SQCK
SUBQ
MCLK
STAT
FOCUS COIL/ TRACKING COIL/ TRAVERSE MOTOR/ SPINDLE MOTOR DRIVER
41
SWITCH
PLLF2 WVEL DSLF2 LDON D/A CONVERTER SERVO OUTPUT PORT
43 42 LDON 40
TRD
FOD
TVD
ECS
ECM
/RST 1 17 D4+ RESET SIGNAL GEN. FOCUS COIL DRIVE TRACKING COIL DRIVE TRAVERSE MOTOR DRIVE SPINDLE MOTOR DRIVE
+B
27 28 22 25 26 21 24 23
10 11 12 18 13 14 15
17
8
7
VREF
22
MLD
TRV
PC
+B
16 15 14 13 M702 SPINDLE MOTOR M701 TRAVERSE MOTOR
D4-
IN3 24 S701(RESET) IN4 23 IN1 6
D3+ D3D1+ D1D2+ D2-
/RST
SUBQ
MCLK
STAT
MLD
12 11
RESTSW
BLKCK
ST/DO
MDATA
M _ M _
IN2 3 PC2 4 7 20 21
10 8 19
PGND1 PGND2
PVCC1 PVCC2 VCC
+B
+
+B
+
N.C.
18
+B
+
DIGITAL AUDIO INTERFACE
TX
6
JK603
DMUTE CIRC DECODER X2
16
-B
59
X701 S/P CONVERTER TIMING X1 SMCK 58 19
DIGITAL DE-EMPHASIS GENERATOR /PITCH CONTROL DIGITAL FILTER
RSEL 76 VREF 29 OUTL 73
+B +B
CD SIGNAL
+ -
+ -
OUTR
75 R CH (CD SIGNAL)
SUBC SBCK DVSS1 CSEL PSEL NSEL /CLDCK
55 56 5 20 78 79 62
9
+B
E