Diagrams; Block Diagram -Cd Section - Sony CDX-R3350 Service Manual

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3-1. BLOCK DIAGRAM — CD SECTION —
DETECTOR
PD2
PD2
96 FPI2
PD1
PD1
94 FNI2
97 FPI1
95 FNI1
E
E
99 TNI
F
F
98 TPI
LASER DIODE
AUTOMATIC
LD
POWER
91 LDO
CONTROL
Q1
PD LD
MON OUT
OPTICAL
PICK-UP BLOCK
(KSS1000E)
FOCUS/TRACKING COIL DRIVE,
T E
L 1 3 9 4 2 2 9 6 5 1 3
SLED/SPINDLE/LOADING
2-AXIS DEVICE
FCS+
16 VO4–
FCS–
15
VO4+
(FOCUS)
(TRACKING)
TRK+
18 VO3–
TRK–
17
VO3+
14 VO1+
M902 M
(SLED)
13 VO1–
12
VO2+
M901
M
(SPINDLE)
11 VO2–
10
VOL+
M903
M
(LOADING)
9 VOL–
w w w
CDX-R3350/R3350C
SECTION 3

DIAGRAMS

79 RFI
RFO 87 85 AGCI RFEQO 77
86 RFDCI 78 RFRPI
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
RFRP 3 1 RFZI
TEI 6 7 TEZI
MDI 92
MOTOR DRIVE
IC1
9 F0O
OPIN4– 26
OPOUT4 25
OPIN3– 23 10 TRO
46 IO0(/HSO)
OPOUT3 22
12 FMO
OPOUT1 4
OPIN2 7 13 DMO
47 IO1(/UHSO)
MUTE 21
FWD 1
REV 28
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LO 30
RO 27 R-CH
MUTE 56 37 DEC XMUTE
REQ 53 30 DEC INT
43 27 DEC SSTBY
STBY
18 15 CD ZDET
ZDET
42
/RST 14 CD XRST
/CCE 41 13 CD XCCE
BUCK 40 12 CD BUCK
BUS3 39 11 CD BUS3
38 10 CD BUS2
BUS2
37 8 CD BUS1
BUS1
BUS0 36 7 CD BUS0
SBSY 14 52 CD SBSY
CD
SYSTEM CONTROL
IC3
Q Q
3 7 6 3
XI 23 81 X1
X2 X1
16.934MHz 12MHz
24 80 X0
XO
SW1 46 MEC_DSW
(DOWN)
SW2
53 MEC_SELFSW
(SELF)
SW3
45 MEC_INSW
(DISC IN)
SW4 42 MEC_LIMIT
(LIMIT)
43 MEC LOAD
44 MEC EJECT
u 1 6 3
.
13 13
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9 9 8
• R-ch is omitted due to same as L-ch.
• Signal Path
: CD PLAY
CD-L
UNISI 56 UNI SI
RXD 25
UNISO 57 UNI SO
TXD 26
UNICKI 58 UNI CLK
BUS ON 50 BUS ON
BU IN 51 B/U CHECK
RSTX 75 SYS RST
A ATT 60 ATT
LINK OFF 59 LINK ON/OFF
SYSTEM CONTROL
IC501 (1/3)
CDM ON
MECON 63 99
CDON 64 98 CD ON
ZMUTE 66 93 CD MUTE R
EJECT OK 61 89 EJECT OK SW
1 5 1 5 0 8 9 2 4
MECON CHK 67 MECHA+6V
CDON CHK 68
SERVO+3.3V
+1.5V REG
IC6
+1.5V ON/OFF
+1.5V SWITCH 5 VOUT VDD 1
Q2,3
CE 3
+1.5V
1.5V ON 1
m
c o
CDX-R3350/R3350C
2
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MAIN
A
SECTION
(Page 14)
MAIN
B
SECTION
(Page 14)
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U COM+3.3V