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CD-BA1700H
ONLY
IC99
TOTX178A
OPTICAL FIBER
TO MAIN SECTION
DATA LINK
3
2
1
1
2
3
BI99
3
2
1
CNS99
1
3
2
1
CNP5
75 76
45 46 47 48
65
CE
66
CL
67
DI
68
DO
69
INT
70
WRQ
SERVO/SIGNAL
71
RES
72
DEF
52
XOUT
XL1
16.9344MHz
51
XIN
CD-BA1700H
VDD5V
ONLY
73
5 18 36 44 49
CONSTANT
Q1
VOLTAGE
+3.3V
VCC
30
23
SERVO AMP.
11
9
1 2
+5V
PICKUP UNIT
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TO DISPLAY SECTION
(TO IC401)
2
3
5
1
2
4
3
Q2
37
32 31 30
74
64
40
19
13
IC2
3
LC78641E
CONT5
33
CONTROL
26
SLDO
25
SPDO
24
FDO
TDO
23
7 14 15 16
50
17 18 19 20 21 22
IC1
LA9235M
LASER
DRIVER
Q3
7 8
3 4
Figure 21 BLOCK DIAGRAM (1/3)
7
4
5
6
8
9 10
CNP12
1
18
VCC1
40
VCC4
24
VCC2
+5V
23
28
VCC3
+3.3V
M2
M
SLED
MOTOR
M1
M
SPINDLE
MOTOR
– 21 –
CD-BA160H/1700H
SW3
SW1
SW2
DISC
OPEN/
NUMBER
CLOSE
CLAMP
M
LOADING
MOTOR
-
1
2
3
5
6
4
1
2
3
5
6
4
1
2
3
4
5
6
2 17 25
41 42 38 39
35
29
IC3
M63001FP
22
FOCUS/TRACKING/
21
SPIN/SLED DRIVER
14
8
4
5 6
7
15 16 26 27
SW4
PICKUP IN
M3
BI4
CNS4
CNP4
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