Table of Contents
Advertisement
13 Block Diagram
OPTICAL PICK-UP
SEMICONDUCTOR
LASER
PD
Q201
LASER
OPEN
POWER
DRIVE
+B3
LD
14
+B3
PHOTO DETECTOR
F
F
F
A
D
C
A
B
RF
D
C
B
E
E
E
GCTL
RW
VC
C
+B5
14
40
38
SHORT
RESET1
REGU.
PROTECT
FOCUS COIL
FO+
26
FO+
FO-
27
FO-
TRACKING COIL
TR+
29
TR+
TR-
30
TR-
TRV+
32
TRV+
M
TRAVERSE
MOTOR
TRV-
TRV-
33
SP+
35
SP+
M
SPINDLE
MOTOR
SP-
36
SP-
SOFT
RIPPLE
AN41508A-VB
FILTER
START
IC11
POWER SUPPLY /
MOTOR DRIVE
48
1
37
9,16,
28,34
+B4
2,3,5,6,8,
9,11,12,
39,40,42,
43,45,46,
20~24,
36
19
35
27~32
48,49
15
16
34 17
1,25
V
DD
7,13,
C3ABMG000207
38,44
V
O
DD
IC503
DRAM
26,50
V
SS
4,10,41,47
V
O
SS
+B2
44
43
15
42
41
25
2
3
UP
OSC
START/
PVcc/2
CON
VG
MONITOR
OFF
23
FO+
24
FO-
21
TR+
22
TR-
19
TRV+
20
TRV-
17
SPPOL
18
SPOUT
5
SUB UP
VSUB
CONVERTER
6
SSW
V
DD
7
SVcc
ERROR
8
USW
REG.
UP/DOWN
AMP
CONVERTER
10
DSW
CHARGE
47
12
REGB
45
46
13
31
4
11
GND
+B1
+B2
+B2
+B2
X501
(16.9344MHz)
85
86
100
101
98
TIMING
GENERATOR
58
RFV
DD
VREF
+B3
RF
44
VREF
INTERFACE
+B9
E
52
E
+B9
F
53
F
B
54
B
C
55
C
A
A
56
LD
48
LD
PD
47
PD
38
CEA
+B3
57
DCDET
62
CAGC
RF
AMPLIFIER
ARF
63
ARFOUT
60
RFOUT
RF
61
RFIN
41
FEN
42
TEN
40
FEOUT
FI1
43
TEOUT
RI1
FI2
51
VDDLD
+B3
RI2
CLD
50
FI3
45
DUTYADJ
RI3
46
CKMON
SPPOL
MON
33
AD PVcc
SPOUT
36
FEIN
+B9
A/D
CONVERTER
34
TEIN
49
V
DD
DRV
31
AV
3
DD
+B3
+B3
32
AV
3
SS
CHARGE2
90
REGB
+B3
25
MN6627962JB
IC501
SERVO AMP / SERVO PROCESSOR /
DIGITAL SIGNAL PROCESSOR
+B3
DIGITAL FILTER & D/A CONVERTER
RF
+B9
+B3
+B3
97
95
96
15
117
65
67
66
68
69
64
70
30
87
MICRO
COMPUTER
DSL/PLL/VCO
INTERFACE
EFM
SPINDLE
SUBCODE
DEMODULATION/
SERVO
INTERFACE
SYNC
INTERPOLATION/
CIRC ECC/
CDROM ECC
CIRC RAM
INPUT
PORT
SERVO
CPU
BUS CONTROL
UNIT
DRAM
INTERFACE
ADPCM
COMPRESSION
AUDIO
DECODER
FS
SERIAL OUTPUT
CONVERTER
INTERFACE(DAC)
REGULATOR
DIGITAL FILTER
DIGITAL
1bit DAC(MASH)
OUT
OWM LOGIC
ANALOG
LOWPASS
FILTER
AUDIO OUTPUT
OUTPUT PORT
BUFFER
21
23
22
24
25
26
27
28
29
76
77
79
78
+B4
SL-CT582VEE
+B5
16
88 105
NTEST
83
+B3
NRST
104
RESET CD
FLAG0
103
BLKCK
99
BLKCK
1~4,127,128
A0~A10
10~13,17
A0~10
107~116,
D0~D15
118~123
D0~15
NCAS
7
NCAS
NRAS
8
NRAS
NWE
6
NWE
CKE
9
CKE
SDRCK
125
CLK
BA0
19
BA1
18
UDQM
124
UDQM
LDQM
5
LDQM
A11
126
A11
REGON
14
TX
102
20
DV
SS
1
84
DV
2
SS
106
DV
3
SS
LOOUTR
74
LOOUTL
71
AV
DD
1
75
72
AV
SS
1
80
82
81
Rch
SL-CT582V(EE) BLOCK DIAGRAM
Advertisement
Table of Contents
