Sony CDX-R3000 - Block Diagram -CD Section

1818
CDX-R3000/RW300
3-2. BLOCK DIAGRAM — CD SECTION —
76
AGCO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC1
78
RFO
93
FEO
96
TEO
77
AGCI
92
FE–
95
TE–
97
TE2
98
TEC
52
FD+
PD1
PD2
E
F
I-V AMP
PD LD
DETECTOR
71
RFI
68
EFM
69
ASY
84
82
85
83
87
86
E
C
D
A
B
F
1
LD
2
PD
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS-1000E)
• Siganal Path
: CD PLAY
LASER DIODE
M
M
M
13
14
VO1–
VO1+
15
16
VO4+
VO4–
17
18
VO3–
VO3+
10
9
VOL+
VOL–
FWD
REV
1
28
OPIN2+
5
53
FD–
OPIN2–
6
54
TD+
OPIN1+
2
55
TD–
OPIN1–
3
56
SD+
OPIN4+
27
57
SD–
OPIN4–
26
58
MD+
OPIN3+
24
59
MD–
OPIN3–
23
11
12
VO2–
VO2+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC2
12
SO
13
SI
11
SCK
6
RFOK
7
INTQ
10
STB
9
A0
8
RST
CD-L
MAIN
SECTION
A
20
LOUT
16
ROUT
R-CH
20
CD_SCK
97
RF_OK
54
OP INTQ
91
CD_STB
55
CD_SELFSW
92
CD_INSW
96
CD_LIMIT
99
CD_A0
98
CD XRST
CD LOAD
93
CD ON/EJECT
94
SYSTEM CONTROL
IC801 (1/3)
18
CD_SI
19
CD_SO
SW2
(SELF)
95
CD_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
30
LMUTE
90
ZERO DET L
29
RMUTE
89
ZERO DET R
PD2
E
F
LD
PD
FCS+
FCS–
TRK+
TRK–
PD1
AUTOMATIC
POWER
CONTROL
Q1
• R-ch is omitted due to same as L-ch.
24
23
X1
16.934MHz
XTAL
XTAL
(Page 19)
jomi