FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVER
AN8739SBE2
IC703
SERVO PROCESSOR/
DIGITAL SIGNAL
PROCESSOR/
DIGITAL FILTER/
D/A CONVERTER
IC702
MN662790RSC
SERVO AMP
IC701
AN8885SBE1
CD SIGNAL
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
PLLF
DSLF
FOCUS
COIL
TRACKING
COIL
_
M
SPINDLE
MOTOR
14
13
SPINDLE
MOTOR
DRIVE
D2+
D2-
PC2
4
3
IN2
TRAVERSE
MOTOR
_
M
11
15
12
18
17
16
25
TRACKING
COIL
DRIVE
TRAVERSE
MOTOR
DRIVE
D3-
D1+
D1-
6
IN1
IN4
D4+
D4-
FOCUS
COIL
DRIVE
D3+
26
IN3
/RST
SQCK
SUBQ
MLD
MCLK
MDA
T
A
ST
A
T
SERVO OUTPUT
PORT
FREQUENCY
COMPARATOR
OFT
36
OFT
A/D
CONVER
TER
LDON
FBAL
TBAL
VREF
RESET
SIGNAL
GEN.
/RST
1
22
TVD
27
FOD
TRD
28
DSLF2
LDON
WVEL
40
42
43
D/A
CONVERTER
SENSE
FLOCK
24
ECM
25
KICK
ECS
21
26
TR
V
23
PC
10 11
PLLF2
FBAL
TBAL
41
30
31
VREF
VDET
TRCRS
29
35
37
SERVO
CPU
CLV
SERVO
RFENV
/RFDET
TE
FE
BDO
T+
T-
F-
F+
SERVO
INPUT
PORT
TE
RF ENV
FE
33
32
34
BDO
/RF DET
39
38
RAM
ADDRESS
GENERATOR
SYNCHRONING
INTERPOLATION
PROTECTION
SYNCHRONIZING
PROTECTION
ARF
44
DSL
EFM DATA
DEMODULATOR
VCO
PHASE
COMPARATOR
MASH LOGIC
/RST
BLKCK
SQCK
SUBQ
TLOCK
14
18
13
12
15
MCLK
MDA
T
A
MLD
8
7
9
ST
A
T
17
MICROMPUTER
INTERFACE
CRCC
CHECK
SUB-CODE
DEMODULATOR
5
62
/CLDCK
79
NSEL
20
78
PSEL
CSEL
DVSS1
56
55
SBCK
SUBC
75
+
-
OUTR
DIGITAL DE-EMPHASIS
PEAK
DETECTOR/
AUTO CUE
16K
SRAM
DIGITAL FILTER
PWM
LOGIC
TIMING
GENERATOR/
PITCH
CONTROL
INTERPOLATION/
SOFT MUTING/
DIGITAL
ATTENUATION
CIRC
DECODER
S/P
CONVERTER
VREF
29
73
-
+
OUTL
+B
RSEL
76
19
SMCK
+B
59
X2
X1
58
X701
16
DMUTE
-B
ENV
3
TENV
OFTR
DET.
Subtracter
RF
LDON
F
F
D
A
C
B
2
47
48
TBAL
FBAL
F
+
+
-
27
TBAL
FBAL
28
VCBA
Ech
Fch
E
D
E
C
PHOTO DETECTOR
PDB
PDE
1
LDON
13
PDA
4
Q701
LASER
POWER DRIVE
LD
7
+
-
Bch
VCBA
B
+
-
+B
+
-
Ach
A
-
-
+
SYNDROME
CALCULATION
TE
DIGITAL AUDIO
INTERFACE
TEIN
22
23
TEOUT
PDOWN
16
+B
+
-
-
+
-
N.C.
21
+
-
+
N.C.
TX
6
18
12
15
17
14
Subtracter
+B
-
+
VREF
GND
+
-
VCC
FEOUT
RF
DET.
/RFDET
FEN
BDO
DET.
BDO
OFTR
26
FE
3
24
/RFDET
25
BDO
OFTR
OPTICAL PICKUP
SEMICONDUCTOR
LASER
LPD
6
+B
19
+B
RFIN
8
RF
10
9
CSBR
T
+B
CEA
11
ENV
RF
5
CRCC
CHECK
PWM
LOGIC
+B
+B
+B
RCH
JK321
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