Block Diagram - Sharp CD-XP300H Service Manual

TO MAIN SECTION
5
1 2 3 4 6 7
CNP7
45 42
61
CE
62 CLK
63
DI
64 DO
65
WRQ
66
RES
67
DRF
XOUT
48
XIN
49
5 38 47 77
18
+3.3V(+B11)
Q2
+3.3V
(+B11)
CONSTANT
VOLTAGE
+5V
(+B7)
TO DISPLAY SECTION
1 2 3 4 5 6
8
Q3
68 25 70 71
IC1
LC78645NE
CD SERVO
41 46 79 80
7 8 9
10
ZD1
3.3V
DRIVER
Q1
Figure 19 BLOCK DIAGRAM (1/3)
7 8 9 10 CNP8
CONT5 26
75
69
SW4
PICKUP
57
IN
56
55
51
50
44
43
40
37
28
19
23
SLDO
SPDO
22
FDO 21
TDO 20
+5V
(+B7)
LASER
+3.3V(+B11)
– 19 –
SW3
SW2
DISC
SW1 CLAMP
NUMBER
OPEN/
CLOSE
M3
M
CD LOADING
MOTOR
+ –
1 2 3 4 5 6 BI4
1 2 3 4 5 6 CNS4
1 2 3 4 5 6 CNP4
41
42
40
VCC4
25
IC2
17
M63001FP
2
FOCUS/TRACKING/
1
SPIN/SLED
18
VCC1
DRIVER
24 VCC2
23
28
VCC3
4 5 6 7
–
M2
M
SLED
+
MOTOR
+
M1
M
SPINDLE
MOTOR
–
CD-XP300H
39 38
35
29
22
21
14
8
15 16 26 27