Block Diagram - Main (1/2) Section - Sony D-EJ2000 Service Manual

D-EJ2000
5-1. Block Diagram – Main Section (1/2) –
DETECTOR
A A
B B
RF RF
E E
F F
VCPU
VCC
OPGSW
OPTICAL PICK-UP BLOCK OPSTB
DAX-25E
LASER DIODE
PD
A
PD LD
LD
B
M901
M
SLED
MOTOR
(FOCUS)
2-AXIS
DEVICE
(TRACKING)
U1
25 +
V1
24 +
W1
23 +
M902
SPINDLE
MOTOR
COM
26
U
30
V
V MOTOR
32
U
DRIVER
W
W
34
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
IC402 (1/3)
FOCUS/TRACKING COIL DRIVER
SLED MOTOR DRIVER
FO1 FI1
46 48
RO1 RI1
44 49
FO3 FI3
38 CONTROLLER, 52
RO3 RI3
H BRIDGE DRIVER
36 53
FO2 FI2
42 50
RO2 RI2
40 51
IC402 (2/3)
SPINDLE MOTOR DRIVER
PWM
28
APWM
27
XBRAK
21
FG
22
CONTROL
CIRCUIT
A WDCK
92
WFCK
B
91
RFDC MDS
88
RFAC
84
XTAO
XTAI
E
89
F RFAC
90
MDP
XSOE
SENS
R4M
XLAT
CLOK
SCOR
SDTO
SFDR
100
SRDR
99
FFDR
96
FRDR
95
TFDR
98
TRDR
97
RFDC
IC403 (1/2)
SWITCH
2 1
SFDR
SRDR
7
FFDR
FRDR
TFDR
TRDR
C176
104
IC401
MDP
COMPARATOR 103
MDS
102
27
11
72 FG I/FGSEL
10 ASW
78 77
12 12
IC601
RF AMP,
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
D-RAM CONTROLLER
DOUT
DIGITAL
62
OUT
D0-D3
SIGNAL
PROCESSOR
BLOCK
A0-A10
MEMORY
CONTROLLER,
BASS BOOST
BLOCK
XRAS
1
XWE
2
XCAS
9
XTAI
47
XTAO
48
AOUT1
51
LPF
AOUT2
56
E
F
B
FOK
A
SERVO
BLOCK
LRMU
61
XRST
28
21 22 20 23 32 24 26 65 25
2 14
17 16 18 15 12 9 13
IC801 (1/3)
SYSTEM CONTROLLER
DOUT
F
IC602
D-RAM
5 XRAS
4 XWE
23 XCAS
X601
16.9344MHz
AOUTL,
AOUTR
G
LRMU
H
XRST
I
SYNC
C
MSCK
D
MSDTO
E