Read Sony CDX-R3350 / CDX-R3350C Service Manual online
13
13
CDX-R3350/R3350C
CDX-R3350/R3350C
3-1. BLOCK DIAGRAM — CD SECTION —
79
RFO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
87
RFEQO
3
RFRP
6
TEI
85
RFI
86
RFRPI
1 RFZI
7 TEZI
9 F0O
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
77
AGCI
78
RFDCI
94
96
95
97
99
98
TNI
FPI1
FNI1
FPI2
FNI2
TPI
91 LDO
92
MDI
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Signal Path
: CD PLAY
LASER DIODE
M
M
M
18
17
VO3–
VO3+
14
13
VO1+
VO1–
12
11 VO2–
VO2+
10
9
VOL+
VOL–
FWD
REV
1
28
OPIN4– 26
OPOUT4 25
10 TRO
OPIN3– 23
46 IO0(/HSO)
OPOUT3 22
12 FMO
OPOUT1 4
13 DMO
OPIN2 7
47 IO1(/UHSO)
MUTE 21
16
15
VO4–
VO4+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
56
MUTE
53
REQ
43
STBY
18
ZDET
42
/RST
41
/CCE
40
BUCK
39
BUS3
CD-L
MAIN
SECTION
A
30
LO
27
RO
R-CH
27 DEC SSTBY
15 CD ZDET
15 CD ZDET
14 CD XRST
13 CD XCCE
53 MEC_SELFSW
45 MEC_INSW
42 MEC_LIMIT
12 CD BUCK
11 CD BUS3
38
BUS2
10 CD BUS2
37
BUS1
8
CD BUS1
36
BUS0
7
CD BUS0
14
SBSY
52 CD SBSY
81 X1
80 X0
MEC LOAD
43
MEC EJECT
44
CD
SYSTEM CONTROL
IC3
+1.5V REG
IC6
SYSTEM CONTROL
IC501 (1/3)
37 DEC XMUTE
30 DEC INT
SW2
(SELF)
46 MEC_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
56
UNISI
25
RXD
57
UNISO
58
UNICKI
50
BUS ON
51
BU IN
75
RSTX
67
MECON CHK
1
1.5V ON
63
MECON
64
CDON
66
ZMUTE
60
A ATT
26
TXD
PD1
E
F
LD
MON OUT
FCS+
FCS–
TRK+
TRK–
PD2
AUTOMATIC
POWER
CONTROL
Q1
+1.5V ON/OFF
SWITCH
Q2,3
• R-ch is omitted due to same as L-ch.
24
23
X2
16.934MHz
X1
12MHz
XI
XO
MAIN
SECTION
B
UNI SI
UNI SO
ATT
59
LINK OFF
LINK ON/OFF
UNI CLK
BUS ON
B/U CHECK
SYS RST
CD ON
VOUT
98
CDM ON
99
CD MUTE R
MECHA+6V
93
61
EJECT OK
EJECT OK SW
89
68
CDON CHK
1
5
VDD
3
CE
SERVO+3.3V
+1.5V
+1.5V
U COM+3.3V
(Page 14)
SECTION 3
DIAGRAMS
(Page 14)
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