Block Diagram -Cd Section - Sony CDX-R3000 Service Manual

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