Block Diagram - Sharp CD-BA300 Service Manual

TO MAIN SECTION
1 2 3 4 5
61
CE
62
CLK
63
DI
64
DO
65
WRQ
66
RES
XOUT
48
XIN
49
5 7 47
18
+3.3V
Q2
CONSTANT
VOLTAGE
+5V
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TO DISPLAY SECTION
1 2 3 4 5 6 7 8 9
6
Q3
42 43 44 45 25 70 71
75
69
57
56
55
51
50
40
IC1
37
LC78645E
28
CD SERVO
19
CONT5 26
SLDO 23
SPDO 22
FD0 21
TD0 20
41 46 7 8 9 79 80
10
LASER
DRIVER
Q1 +3.3V
Figure 17 BLOCK DIAGRAM (1/3)
– 17 –
SW3
SW2
DISC
SW1 CLAMP
NUMBER
OPEN/
M3
CLOSE
T/T UP DOWN
M
LOADING
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
1 2 17 25 41 42
IC2
18
VCC1
M63001FP
40
VCC4
+5V
FOCUS/TRACKING/
24
VCC2
SPIN/SLED
23
DRIVER
82
VCC3
4 5 6 7
15
M1
M
SPINDLE
MOTOR
M2
M
SLED
MOTOR
CD-BA300
39 83
35
29
22
21
14
8
16 26 27
SW1
PICK UP
IN