Block Diagram - Sharp CD-BA2010H Service Manual

75 76
65
CE
66 CL
67 DI
68
DO
69
INT
70
WRQ
71
RES
72
DEF
52 XOUT
X1
16.9344MHz
51
XIN
VDD5V
73 5 18 36 44 49 50
CONSTANT
Q1
VOLTAGE
+3.3V 30
23
11
9
1 2
+5V
TO MAIN SECTION
(TO IC601)
1 2
3 4 5 1 2
Q2
45 46 47 48 32 31 30
74
64
40
19
13
IC2
LC78641E
SERVO/SIGNAL
CONTROL
CONT5 33
26
SLD0
25
SPD0
24
FD0
TD0
23
7 14 15 16
17 18 19 20 21 22
IC1
LA9235M
SERVO AMP.
7 8
3 4
Figure 21 BLOCK DIAGRAM (1/3)
TO DISPLAY SECTION
5 7 8 9 10
3 4 6
3
LASER
DRIVER
Q3
+3.3V
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
– 21 –
SW2
SW1
OPEN/ CLAMP
CLOSE
1 2
1 2
1 2
1 2 17 25 41 42 38 39
18
VCC1
IC3
40 M63001FP
VCC4
FOCUS/TRACKING/
SPIN/SLED DRIVER
24 VCC2
+5V
23
28
VCC3
FO+
4 5 6 7 15 16 26 27
M
M
CD-BA2010H
SW3
DISC
NUMBER
M3
T/T
M
UP/DOWN
MOTOR
-
3 5 6
4
3 5 6
4
5 6
3 4
35
29
22
21
14
8
SW4
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