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15
15
CDX-S22/S22S
CDX-S22/S22S
83
RFO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
89
RFEQO
3
RFRP
6
TEI
88
RFI
RFRPI
2
RFZI
7
TEZI
9
F0O
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
81
AGCI
82
94
96
95
97
98
TNI
FPI1
FNI1
FPI2
FNI2
TPI
VRO
91
LDO
92
MDI
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Signal Path
: CD
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
OPIN4+
27
OPOUT4
25
10
TRO
OPIN3–
23
OPIN3+
24
OPOUT3
22
12
FMO
OPOUT1
4
13
DMO
OPOUT2
7
MUTE
21
BIAS
20
16
15
VO4–
VO4+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
51
PIO3
48
PIO0
36
MSTBY
58
ZDET
37
/RST
43
/CCE
42
BUCK(CLK)
41
BUS3(SI)
CD-L
MAIN
SECTION
A
30
LO
27
RO
R-CH
27
DEC_SSTBY
15
CD_ZDET
14
CD_XRST
13
CD_XCCE
53
MEC_SELFSW
45
MEC_INSW
42
MEC_LIMIT
12
CD_BUCK
11
CD_BUS3
40
BUS2(SO)
10
CD_BUS2
39
BUS1
8
CD_BUS1
38
BUS0
7
CD_BUS0
81
X1
80
X0
MEC LOAD
43
DRVON
6
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
CDON_1500MV
1.5V_ON
63
MECON
64
CDON
66
ZMUTE
60
A_ATT
26
TXD
PD1
E
F
VC
VC
VC
LOAD
EJECT
LD
MON OUT
FCS+
FCS–
TRK+
TRK–
PD2
AUTOMATIC
POWER
CONTROL
Q21
+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
A ATT
UNI CLK
BUS ON
B/U CHECK
SYS RST
61
EJECT_OK
EJECT_OK_SW
89
CD_ON
VOUT
98
CDM_ON
99
Z-MUTE
MECHA+6V
93
68
CDON_CHK
1
5
VDD
3
CE
SERVO+3.3V
+1.5V
+1.5V
BU+3.3V
84
100
3-1.
BLOCK DIAGRAM — CD SECTION —
(Page 16)
(Page 16)
SECTION 3
DIAGRAMS