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