Block Diagram - Sharp CD-BA150 Service Manual

TO MAIN SECTION
1
75 76 45 46 47 48
65
CE
CL
66
67 DI
68
DO
69
INT
70
WRQ
SERVO/SIGNAL
71
RES
72
DEF
52
XOUT
XL1
16.9344MHz
51
XIN
VDD5V
5 18 36 44 49 50
73
CONSTANT
VOLTAGR
Q1
30
+3.3V
SERVO AMP.
23
11
9
1 2 3 4
+5V
TO DISPLAY SECTION
(TO IC401)
2 3 5 1 2
4 3 4
Q2
32 31 30
74
64
40
19
13
IC2
3
LC78641E
CONTROL
33
CONT5
26
SLD0
25
SPD0
24
FD0
TD0
23
7 14 15 16
17 18 19 20 21 22
IC1
LA9235M
LASER
DRIVER
Q3
7 8
Figure 15 BLOCK DIAGRAM (1/3)
– 15 –
7
5 6 8 9 10
1
18
VCC1
40 VCC4
24
VCC2
23
28
VCC3
4
+3.3V
M1
M
SPINDLE
MOTOR
M2
M
SLED
MOTOR
CD-BA150
SW2 SW3
SW1
CLAMP DISC
OPEN/
NUMBER
CLOSE
M
UP/DOWN
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
22
M63001FP
FOCUS/TRACKING/
21
SPIN/SLIDE DRIVER
14
8
5 6 7 15 16 26 27
PICKUP IN
M3
T/T
SW4