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Q Q
3 7 6 3 1 5 1 5 0
3-2. BLOCK DIAGRAM — CD SECTION —
OPTICAL PICK-UP
KSS-720A
A
C
B
I-V
D
CONV.
E
F
PD
DRIVE
LD
T E
L
1 3 9 4 2 2 9 6 5 1 3
FOCUS
COIL
TRACKING
COIL
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
w w w
.
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
IC1
B
84
D
85
RF
A
EQ
82
C
83
FORCUS
ERROR
E
87
TRACKING
F
ERROR
SERVO
86
CTL
PD
APC
97
LD
A5V
Q1
LD
98
62 63 64 65
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE
IC2
FCS-
FOCUS
15
FD
COIL
26
FCS+
16
DRIVE
TRK+
TRACKING
17
TD
23
COIL
TRK-
18
DRIVE
SL-
M
SLED
13
SD
5
MOTOR
SL+
14
DRIVE
SP+
SPINDLE
M
11
MD
MOTOR
6
SP-
12
DRIVE
LOAD
LD-
LOADING
M
9
1
MOTOR
EJECT
LD+
10
DRIVE
2
A_5V
AU_5V
D_5V
DR_6V
x
a o
y
i
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8
(Page 16)
LOUT
16
D/A
CDL
ROUT
EFM
CONV
12
R-CH
DEMOD
PACK
52
TSTB
56
DSUB CODE
TSCK
PROCESS
55
TSI
54
SI
8
SO
7
SCK
6
I/F
STB
5
AO
4
RST
3
RFOK
2
XTALEN
B
OSC
9
X EN
(Page 16)
23
24
Q
Q
3
7
6
3
X1
16.9344MHz
SW1
(DOWN)
SW2
(SELF)
SW3
(DISC IN)
SW4
(LIMIT)
CD MECHANISM
ON SWITCH
CD+5V
Q905,906
REG
D909
Q910,D910
CD ON
SWITCH
Q921
CD DRIVE
+6V REG
BATT
Q907,D908
u 1 6 3
.
15
15
http://www.xiaoyu163.com
2
4
9
9
8
TUNER
SECTION
A
SYSTEM CONTROL
IC801(1/3)
56
X_SO
57
X_SI
58
X_SCK
63
STB
62
X A0
60
CD_RST
59
RFOK
TUNER
SECTION
1
5
1
5
0
8
9
2
4
2
D_SW
45
SELF_SW
3
IN_SW
64
L_SW
IC902
RESET
36
1
RESET
S901
(RESET)
4
LM _LD
5
LM_ EJ
50
CDM ON
51
XCD_ON
m
c o
CDX-CA400/CA530X/CA580X
2
9
9
9
8
2
9
9
2
U_COM+5V
• Signal path
:CD
• R-ch is omitted due to
same as L-ch.

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