10
10
D-EJ1000
5-1. BLOCK DIAGRAM – MAIN (1/2) SECTION –
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
IC601
RF AMP,
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
D-RAM CONTROLLER
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
AOUT1
AOUTL,
AOUTR
HPL,
HPR
AOUT2
LRMU
FOK
XRST
RFDC
B
A
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
D0-D3
A0-A10
WDCK
WFCK
XTAO
XTAI
E
F
89
F
92
91
A
B
88
84
RFDC
RFAC
E
LASER DIODE
OPTICAL PICK-UP BLOCK
DAX-25E
A
A
B
RF
E
F
B
RF
E
F
PD
PD
LD
LD
DETECTOR
VCC
X601
16.9MHz
A
B
90
2, 3, 24, 25
9 – 12, 15 – 19, 21, 8
5
4
23
IC602
D-RAM
D0 – D3
A0 – A10
XRAS
DOUT
XWE
XCAS
G
H
I
J
100
99
SFDR
SRDR
96
95
FFDR
FRDR
98
97
17
18
40
41
21
22
34
32
38
36
26
24
TFDR
TRDR
SLED
MOTOR
(FOCUS)
(TRACKING)
FI2
RI2
FI1
RI1
FI4
RI4
FO2
RO2
FO1
RO1
FO4
RO4
IC403 (1/2)
FOCUS/TRACKING COIL DRIVER
SLED MOTOR DRIVER
M
26
24
22
32
65
23
20
21
9
12
16
14
15
18
17
11
PREDRIVER
102
MDS
103
MDP
27
SCOR
104
23
2
24
1
18
19
20
11
13
15
21
74
72
17
C176
FOK
R4M
77
HG XSTB
78
HG GUP
40
HOLD
28
CLOSE
XSOE
WDCK
SDTO
SENS
CLOK
XLA
T
XSOE
XIN
GRSCOR
FOKI
MSDTO
SCOR
MSDTI
MSCK
XLA
T
+
IC405
COMPARATOR
SYNC
8
9
7
XRST
DATA
XLTCH
CLK
PWM
XBRAK
3
FG
APWM
+
+
U1
V1
W1
COM
U
V
W
VG
VG
IC404
SPINDLE MOTOR DRIVER
SPINDLE
MOTOR
FG I/FGSEL
XDRVLT
25
13
SYSM
AMUTE
C
S804
(OPEN/CLOSE DETECT)
SL806
(OPEN)
IC801 (1/3)
SYSTEM CONTROLLER
MSDTO
MSCK
D
F
E
SYNC
2-AXIS
DEVICE
CPU
INTERFACE
61
28
62
4, 3, 6, 5
116 – 113, 17 – 15, 13 – 11, 117
51
56
48
9
2
1
47
LRMU
XRST
HPL
HPR
K
43
44
V
U
W
6
CONTROLLER,
H BRIDGE DRIVER
2
CONTROL
CIRCUIT
VCPU
OPGSW
OPSTB
XRST
HOLD
OFF
VCPU 2V
S801
HOLD
>