Block Diagram - Sharp CD-PC671H Service Manual

TO MAIN SECTION
(TO IC601)
+5V
3 2 1 1 2 3
CNP99
2 1
BI1A
2 1
BI1B
31 37 38 39 40
43 XVDD
41 RVDD
LVDD
+5V 36
23 VDD
6 VVDD
LC78622NE
SERVO/SIGNAL
CONTROL
44
XL1
45
2 4 8
11
+B1
22
Q52
+5V
64
LA9241M
SERVO AMP.
Q1
62
4 5 6
CNP11
Q51
27
24 25
46
39
38
33
26
IC2
58
53
64
62
51
9
10 12 20
32 40 43 44
53
CE
52
DAT
CL 51
54
DRF
IC1
SL+ 31
SL– 30
SLD 29
23
NC
27
SPO
FD 16
TO 15
1 2 3 4
PICKUP UNIT
Figure 19 BLOCK DIAGRAM (1/3)
– 19 –
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
FOCUS/
25
22
20
TRACKING/
21
7
SPIN/SLED
14
2
DRIVER
8
1
6 7 4 5 16 26 27
23 15
M1
SPINDLE
MOTOR
M
M2
SLED
MOTOR
M
CD-PC671H/651H
+7.3V (B1)
Q81
+4.3V
PICKUP IN
SW4