Sony CD Walkman D-EJ2000, Руководство по обслуживанию

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12 12
D-EJ2000
5-1. Block Diagram – Main Section (1/2) –
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
1 2
7
IC601
RF AMP,
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
D-RAM CONTROLLER
DIGITAL
OUT
LPF
SIGNAL
PROCESSOR
BLOCK
MEMORY
CONTROLLER,
BASS BOOST
BLOCK
SERVO
BLOCK
MDS
MDP
SENS
SCOR
SDTO
XTAI
XTAO
RFAC
XSOE
R4M
XLAT
CLOK
DOUT
XRAS
XWE
XCAS
AOUT1
AOUTL,
AOUTR
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
16.9344MHz
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
F
G
H
I
100
99
SFDR
SRDR
96
95
FFDR
FRDR
98
97
48
49
52
53
50
51
46
44
38
36
42
40
TFDR
TRDR
M901
SLED
MOTOR
(FOCUS)
(TRACKING)
FI1
RI1
FI3
RI3
FI2
RI2
FO1
RO1
FO3
RO3
FO2
RO2
IC402 (1/3)
FOCUS/TRACKING COIL DRIVER
SLED MOTOR DRIVER
M
26 24 22 32 65 23 20 21
9 12 16 14 15 18 17 11
MOTOR
DRIVER
102
MDS
103
MDP
27
SCOR
104
27
21
28
24
25
26
30
32
34
72
23
C176
FOK R4M
77
HG XSTB
78
HG GUP
XSOE WDCK SDTO SENS CLOK XLA
T
XSOE
XIN
GRSCOR
FOK
MSDTO
SCOR
MSDTI
MSCK
XLA
T
+
IC401
COMPARATOR
IC403 (1/2)
SWITCH
PWM
XBRAK
22
FG
APWM
+
+
U1
V1
W1
COM
U
V
W
IC402 (2/3)
SPINDLE MOTOR DRIVER
M902
SPINDLE
MOTOR
FG I/FGSEL
10 ASW
25
13
SYSM
AMUTE
IC801 (1/3)
SYSTEM CONTROLLER
MSDTO
MSCK
C
E
D
SYNC
2-AXIS
DEVICE
61
28
62
4, 3, 6, 5
116 – 113, 17 – 15, 13 – 11, 117
51
56
48
9
2
1
47
LRMU
XRST
V
U
W
CONTROLLER,
H BRIDGE DRIVER
2
CONTROL
CIRCUIT
VCPU
OPGSW
OPSTB