Page 1
OPTICAL PICKUP
+B2
SEMICONDUCTOR
LASER
PHOTODETECTOR
EE
D
C
A
B
D
C
F F
Q701
LASER
POWER
DRIVE
+B2
AN8885SBE1V
IC701
SERVOAMP
LPD
6
TJ701
89
RF RF IN CSBRT CEA
18
DEFLVL
+B2
10
OFTR
RFEQ1
7
LD
RFEQ2
PDA
4
AMP GCA BCA
NRF
DET.
SUBTRA-
CTOR
BDO
+B2
11
3TENV
ENV
OFTR
BDO
/RFDET
FEN
FE OUT
19
17
12
15
25
24
RFENV
OFT
BDO
/RFDET
FE
VREF
PDB
5
PDE
1
PDF
2
BAND
GAP
LDON
13
16
LDON
AMP GCA BCA
AMP GCA
AMP GCA BCA
PDOWN
21
EQSW
BCA
GCTL
20 27
FCLK
TBAL
TBAL
TEN
22
SUBTRA-
CTOR
TE OUT
23
TE
VREF
Vcc
VCC
FBAL
28
GND
3
14
+B2
FBAL
VREF
VREF
26
VREF
FOCUS COIL
TRACKING COIL
M701
TRAVERSE
MOTOR
M702
SPINDLE
MOTOR
F+
F-
T+
T-
M
M
22
D4-
17
D4+
18
D3-
15
D3+
14
D1+
12
D1-
11
D2+
14
D2-
13
9
PGND1
20
PGND2
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
TRAVERSE
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
RESET
SIGNAL
GENERATOR
/RST
VREF
IN4
IN3
IN1
IN2
PC2
PVcc1
PVcc2
25
26
6
3
4
8
+B1
21
AN8739SBE2
FOCUS COIL / TRACKING
COIL / TRAVERSE MOTOR /
SPINDLE MOTOR DRIVE
IC703
FOD
TRD
TVD
ECS
ECM
PC
1
Page 2
70
+B2
66
67
13
BLKCK
62
56
55
68
+B2
SQCK
SUBQ
80
14
15
53
48
52
41
DSLF2
47
46
44
+B2
76
78
MLD
MCLK MCLK
MDATA
+B2
STAT
9
7
8
45
17
79
54
49
61
IOSEL
CLVS
CRC
BLKCK
/CLDCK
SBCK
SUBC
DEMPH
SSEL
SQCK
SUBQ
PCK
PLLF
EFM
PLLF2
DSLF
DRF
ARF
RSEL
PSEL
MLD
MDATA
IREF
STAT
MSEL
VCOF2
VCOF
BYTCK
BUFFER
SUBCODE
DSL / PLL VCO
DSL / PLL VCO
MICRO COMPUTER
VCO
69
BUFFER
CD-TEXT
EFM DEMODULATION/
SYNC INTERPOLATION
SUBCODE DEMODULATION
INTERFACE
TIMING
GENERATOR
PITCH
CONTROL
RESY
MN662790RSCAQ-P
SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR
DIGITALFILTER/ D/A CONVERTER
IC702
+B2
72
450 60
DVDD1
DIGITAL DEEMPHASIS
16k
SRAM
CIRC ERROR
CORRECTION/
DEINTERLEAVE
AVDD2
VDD
AVDD1
DIGITAL FILTER
8 TIMES OVERSAMPLING/
DIGITAL AUDIO
INTERFACE
DIGITAL AUDIO
INTERFACE
INTERPORATION/
SOFT MUTING/
ATTENUATION
SERVOCPU
77 71
VCC5V
DIGITAL
5745157
DVss1
AVss1
/TEST
PWM
1 BIT DAC
PWM LOGIC
PWM
Vss
AVss2
(R)
(L)
D/A
CONVERTER
OUTPUT
PORT
75
OUTR
OUTL
FLAG
IPFLAG
TX
ECM ECM
ECS ECS
PC
LRCK
SRDATA
BCLK
DMUTE
DSLF2 DSLF2
KICK
TRV
VREF VREF
TVD TVD
TRD TRD
FOD FOD
TBAL TBAL
FBAL FBAL
/TLOCK
/FLOCK
Rch
73
65
64
6
24
25
23
2
3
1
16
42
26
21
29
22
27
28
31
30
12
11
PC
A/D
CONVERTER
CSEL
FCLK
FCLK
20
X2 OUT
59 58
X701
(16.9344MHZ)
X1 IN
FE
32 33 34
FE
TE
TE
SMCK
19
63
RFENV
RFENV
INPUT PORT
TRCRS
VDET
37 35 39
BDO
BDO
SERVOTIMING
GENERATOR
OFT
/RFDET
38 36
/RFDET
OFT
WVEL
SENSE
10 43 40
LDONLDON
/RST
18
/RST
Page 3
+B4
+B1
+B2
+B3
Q4,5
D10,12~14
REGULATOR
D7
UPC29M33HB
IC2
REGULATOR
X401
(8MHz)
Q401
RESET
Q2,3
REGULATOR
+B3
+B3
A.GNDD.GNDCT.GND
JK401
SYNC1
CD REQ
2
CT.GND
3
4
CS
5
+B(10V)
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 NC
D.GND
SCLK
DATA
NC
ToSOUND
PROCESSOR
(SH-EH570)/
V.GND
CASSETTE
DECK(RS-DV250)
NC
BLOCK DIAGRAM
NC
NC
NC
NC
CD Rch OUT
A.GND
CD Lch OUT
NC
D402
Q402
INTER-
FACE
Q403,
404
INTER-
+10V
FACE
Rch
/RST
MCLK
MDATA
MLD
TC74HCT7007A
IC452
CONVERTER
(3.3V To 5V)
SUBQ
BLKCK
STAT
S701
(REST
SW)
SQCK
16
28
27
29
1
11
13
SERVORST
MCLK
MDATA
MLD
+B3
14
Vcc
Y3A3
Y0A0
Y4A4
Y5A5
GND
7
13
+B3
19
TEST
26
89
2
10
12
XIN
MSEL
5
20
SUBQ
XOUT
7
18
BLKCK
STAT
1430
RESET
REST
SW
SQCK
6
41
(S601~603,611~616)
SYSTEM CONTROL
KEY1
40
KEY SWITCH
8
1
2
VCC
VREF
C2BBFD000256
KEY2
CD REQ
IC451
VSS
21 315
TA7291S
IC790
MOTOR DRIVE
LOADING
MOTOR
9
BCS
CNVSS
M
10
4
SYNC
AVSS
38
S790
(OPEN DET.)
3
7
SW3
+B4
B CLK
5
2,4,6,8
42
S791
(CLOSE DET.)
11
12
DATA I
DATA O
CCW
CW
SW4
33
34 22
1
9
LED ORG
25
LED
DRIVE
LED GRN
Q801,
()
802
D606
Note:
: CD SIGNAL LINE
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