Block Diagram - Main (1/2) Section - Sony D-EJ1000 Service Manual

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