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5-2. BLOCK DIAGRAM — CD SECTION —
DETECTOR
A
A
B
B
RF
RF
E
E
F
F
VCC
OPTICAL PICK-UP
BLOCK (DAX-21E)
LASER DIODE
PD
A
(Page 15)
PD
LD
LD
B
(Page 15)
U1
24
+
V1
23
+
W1
22
+
COM
25
U
14
V
M902
V
SPINDLE
16
PREDRIVER
U
MOTOR
W
W
18
VG
VG
C
20
(Page 16)
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
04
FOCUS/TRACKING COIL DRIVER
SLED MOTOR DRIVER
IC401 (2/2)
M901
S+
FO2
FI2
31
M
SLED MOTOR
S-
RO2
RI2
29
F+
FO1
FI1
35
CONTROLLER,
FOCUS
F-
RO1
RI1
PREDRIVER
33
COIL
T+
FO3
FI3
27
TRACKING
T-
RO3
FI3
25
COIL
SPINDLE MOTOR DRIVER
IC402
SYNC
PWM
ROTATION
MODE
POL
DETECTOR
CONTROL
FG
BEMF
SEPARATOR
FEEDBACK
PATTERN
RST
GENERATOR
DATA
OR
LTCH
CPU
INTERFACE
CLK
PHASE/PWM
OEB
DECODER
– 11 –
A
62
B
61
RFDC
58
RFAC
71
E
59
F
60
SFDR
39
46
SRDR
40
47
FFDR
37
50
FRDR
38
51
TFDR
16
48
TRDR
17
49
(Page 15)
D
BUFFER
IC403
2
C176
1
42
3
4
MDP
+
3
43
4
MDS
44
1
(Page 15)
RST
E
6
7
8
9
12
SDTO
F
(Page 15)
27
FG
45
DRVLT
41
XSPDOE
42
OPTICAL
PICK-UP
POWER ON
SWITCH
Q411
RF AMP,
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
D-RAM CONTROLLER
IC601
WDCK
DIGITAL
WFCK
OUT
MDS
XTAO
XTAI
RFAC
SIGNAL
PROCESSOR
BLOCK
MEMORY
CONTROLLER,
BUS BOOST
BLOCK
MDP
XSOE
SENS
R4M
XLAT
CLOK
SCOR
SDTO
2
LPF
FOK
RFDC
FFDR
E
FRDR
SERVO
F
TFDR
BLOCK
B
TRDR
A
SFDR
SRDR
17
23
26
25
24
30
28
83
78
SCK
G
(Page 15)
25
12
11
10
43
44
35
26
SYSTEM CONTROLLER
IC801 (2/3)
39
21
VCPU +2V
S804
(HOLD)
ON
S801
(OPEN)
OFF
VCC +2V
D415
RSTB
H
(Page 15)
– 12 –
D-E01/EJ01
DOUT
85
1
D0-D3
4
4
2
A0-A10
11
11
3
XRAS
113
4
XWE
114
5
XCAS
119
6
XOE
7
120
XTAI
93
X601
16.9MHz
XTAO
94
LOUT1
1
97
8
LOUT2
104
9
(Page
13)
AMUTE
13
10
XRST
21
11
35
3
78 79 31
32 30 34 33
12
13
14
15
16
17
18
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