Read Sony CDC-R304 / CDC-X104EE / CDC-X204 / CDC-X304 / CDC-X444 Service Manual online
18
18
CDC-R304/X104EE/X204/X304/X444
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
(KSS1000E)
• 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
35 CD_SCK
38 CD RFOK
32 CD INTQ
41 CD STB
45 CD_SELFSW
44 CD_INSW
49 CD_LIMIT
40 CD_A0
39 CD RST
CD LM LO
46
CD LM EJ
47
SYSTEM CONTROL
IC501 (1/3)
34 CD_SI
33 CD_SO
SW2
(SELF)
48 CD_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
30
LMUTE
43 CD MUTE L
29
RMUTE
42 CD MUTE 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)
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