Block Diagram - Sharp QT-CD161 Service Manual

64 63
XVDD
43
+5V VDD
23
VVDD
6
45 XIN
XOUT
44
62 LDD
+5V 64 VCC1
LASER
Q801
DRIVER
1 2 3 4
PICKUP UNIT
TO
MAIN
SECTION
+7.4V
(CD)
62 51 37 46 39 38 33 32
IC802
LC78622E
SERVO/SIGNAL
CONTROL
9
10 12 13 14 16 17 18 19 20
15
43 40 32
44
DRF
CE
DAT
CL
CLK
DEF
SLD
SLEQ
SPO
FD
TO
30 31
Figure 11 BLOCK DIAGRAM (1/3)
11
8
4
2
53
54
55
56
57
58
61
1
54
53
52
51
50
CONSTANT
49 Q804
VOLTAGE
REGULATOR
29
+5V
28
27
16
15
TO MAIN
SECTION
– 11 –
QT-CD161/141
+7.4V
7 8 9
1 30 22 25 24
IC803
LA6541
FOCUS/TRACKING
/SPIN/SLIDE
3
13
DRIVER
29
28
18
5
25 26 20 21 6 10 11
M M
M701
M702
SPIN
SLIDE
MOTOR
MOTOR
TO MAIN
SECTION