D-E888/E999/EJ825/EJ925
– 15 –
– 16 –
5-1.
BLOCK DIAGRAM – MAIN Section (1/2) –
05
RF AMP,
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
D-RAM CONTROLLER
IC601
DIGITAL
OUT
LPF
SIGNAL
PROCESSOR
BLOCK
MEMORY
CONTROLLER,
BUS BOOST
BLOCK
SERVO
BLOCK
MDS
MDP
SENS
SCOR
SDTO
XTAI
XTAO
RFAC
XSOE
R4M
XLAT
CLOK
DOUT
XRAS
XWE
XCAS
XOE
LOUT
LOUT,
ROUT
HPL,
HPR
ROUT
AMUTE
FOK
XRST
RFDC
B
A
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
D0-D3
A0-A10
WDCK
WFCK
XTAO
XTAI
E
F
59
F
62
61
A
B
58
71
RFDC
RFAC
E
LASER DIODE
OPTICAL PICK-UP BLOCK
DAX-21EG
(Page 19)
(Page 19)
(Page 19)
A
A
B
RF
E
F
B
RF
E
F
PD
PD
LD
LD
DETECTOR
VCC
X601
16.9MHz
A
B
60
2, 3, 24, 25
9
–
12, 15
–
19, 21, 8
5
4
23
22
D-RAM
IC602
DQ1
–
DQ4
A0
–
A10
XRAS
DOUT
XWE
XCAS
XOE
I
J
K
L
46
47
SFDR
SRDR
50
51
FFDR
FRDR
48
49
43
44
41
42
12
13
36
34
40
38
32
30
TFDR
TRDR
M901
(SLED)
(FOCUS)
(TRACKING)
FI2
RI2
FI1
RI1
FI3
FI3
FO2
RO2
FO1
RO1
FO3
RO3
FOCUS/TRACKING COIL DRIVER
SLED MOTOR DRIVER
IC401 (1/2)
M
78
28
26
30
35
24
25
23
3
26
11
44
43
10
12
25
MODE
CONTROL
ROTATION
DETECTOR
BEMF
SEPARATOR
PREDRIVER
FEEDBACK
PATTERN
GENERATOR
OR
PHASE/PWM
DECODER
44
MDS
43
MDP
17
SCOR
42
4
1
3
2
23
24
25
14
16
18
20
45
27
22
C176
FOK
R4M
DRVRST
42
XHGON
39
HOLD
21
WPOPEN
XSOE
WDCK
SDTD
SENS
CLOK
XLA
T
XSOE
XIN
GRSCOR
FOKI
MSDTD
SCOR
MSDTI
MSCK
XLA
T
+
BUFFER
IC403
SYNC
8
9
7
RST
DATA
LTCH
CLK
PWM
POL
FG
+
+
U1
V1
W1
COM
U
V
W
VG
VG
SPINDLE MOTOR DRIVER
IC402
M902
(SPINDLE)
FG
DRVLT
C
HOLD
OFF
VCPU 2V
S801
(OPEN/CLOSE DETECT)
TAP802
(OPEN)
VCC1 2V
SYSTEM CONTROLLER
IC801 (1/3)
41
SDTO
SCK
E
D
F
G
SYNC
RST
2-AXIS
DEVICE
CPU
INTERFACE
S804
HOLD
13
21
85
116, 115, 118, 117
106
–
109, 7
–
5, 3
–
1, 111
97
104
94
93
113
114
119
120
AMUTE
XRST
(Page 17)
(Page 17)
(Page 17)
(Page 17)
(Page 19)
(Page 19)
(Page 19)
(Page 19)
HPL
HPR
M
38
39
(Page 17)
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
V
U
W
6
CONTROLLER,
H BRIDGE DRIVER
BUFFER
IC603
SERVO
I/F
ATSK
29
79
OPTICAL
PICK-UP
POWER ON
SWITCH
Q411
