Block Diagram - Sharp CD-PC672 Service Manual

TO MAIN SECTION
(TO IC601)
+5V
3 2 1 1 2 3 4 5 6
CNP99
2 1
BI1A
2 1
BI1B
31 37 38 39 40
43 XVDD
41 RVDD
+5V 36 LVDD
VDD
23
6 VVDD
LC78622NE
SERVO/SIGNAL
CONTROL
44
XL1
45
2 4 8 9
11
+B1
32
22
Q52
IC1
+5V
64
LA9241M
SERVO AMP.
Q1
62
CNP11
Q51
27 24 25
46
39
38
33
26
IC2
58
53
64
62
51
10 12 20
40 43 44
53
CE
DAT 52
CL 51
54
DRF
SL+ 31
SL–
30
SLD 29
NC 23
SPO 27
FD 16
TO 15
1 2 3 4
PICKUP UNIT
Figure 17 BLOCK DIAGRAM (1/3)
– 17 –
M
TO MAIN
SECTION
9 8 7 6 5 4 3 2 1
10
CNS10
9 8 7 6 5 4 3 2 1
10
CNP10
+B1
+B5
42 41 20 40 24 18 28 39 38 37 36
35
IC3
M63001FP
29
25 FOCUS/
22
20
TRACKING/
21
7
SPIN/SLED
14
2
DRIVER
8
1
6 7 4 5
23 15 16 26 27
M1
SPINDLE
MOTOR
M
M2
SLED
MOTOR
M
PICKUP IN
CD-PC672
+7.3V (B1)
Q81
+4.3V
SW4