Block Diagram - Sharp CD-BA3000 Service Manual

TO DIGITAL
OUTPUT SECTION
TO MAIN SECTION
CNS99
1 2 1
3
37 75 76
65 CE
CL
66
DI
67
DO
68
INT
69
WRQ
70
RES
71
72 DRF
XOUT
52
XL1
XIN
51
16.934MHz
VDD5V
73 5 18 36 44 49 50
CONSTANT
Q1
VOLTAGE
+3.3V
30
23
11
9
1 2
+5V
(TO IC601)
2 1
3 4 5
Q2
45 46 47 48 32 31 30
IC2
LC78641E
SERVO/SIGNAL
CONT5
CONTROL
SLD0
SPD0
FD0
TD0
7 14 15 16
17 18 19 20 21 22
IC1
LA9235M
SERVO AMP.
7 8
3 4
Figure 13 BLOCK DIAGRAM (1/3)
TO DISPLAY SECTION
2 7
3 4 5 6 8 9 10
74
64
40
19
13
3
33
26
25
24
23
LASER +5V
DRIVER
Q3
+3.3V
M1
M
SPINDLE
MOTOR
M2
SLED
M
MOTOR
– 13 –
SW1
SW2
OPEN/
CLAMP
CLOSE
1 2
3
1 2
3
1 2
3
1 2 17 25 41 42 38 39
VCC1
18
IC3
VCC4
40
M63001FP
FOCUS/TRACKING/
VCC2
24
SPIN/SLED DRIVER
23
VCC3
28
FO+
4 5 6 7 15 16 26 27
CD-BA3000
M3
SW3
T/T
DISC
UP/DOWN
NUMBER
MOTOR
M
–
5 6
4 BI4
4 5 6 CNS4
5 6
4 CNP4
35
29
22
21
14
8
SW4
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