Block Diagram - Sharp CD-BA250 Service Manual

TO MAIN SECTION
1 2 3
61
CE
62 CLK
63
DI
64 DO
65
WRQ
66
RES
XOUT
48
XIN
49
5 7
18
+3.3V
Q2
CONSTANT
VOLTAGE
+5V
TO DISPLAY SECTION
1 2 3 4 5
4 5 6
Q3
42 43 44 45 25
IC1
LC78645E
CD SERVO
41 46
47 7 8 9 79
10
Figure 17 BLOCK DIAGRAM (1/3)
6 7 8 9
70 71
75
69
57
56
55
51
50
40
37
28
19
CONT5
26
SLDO 23
SPDO 22
FD0 21
TD0 20
80
LASER
DRIVER
Q1 +3.3V
– 17 –
CD-BA250/CD-BA2600
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
17 25
1 2
IC2
18
VCC1
M63001FP
40
VCC4
+5V
FOCUS/TRACKING/
24
VCC2
SPIN/SLED
23
DRIVER
82
VCC3
4 5 6 7
M1
M
SPINDLE
MOTOR
M2
M
SLED
MOTOR
41 39 83
42
35
29
22
21
14
8
15 16 26 27
SW1
PICK UP
IN