Sharp QT-CD161 - Block Diagram

QT-CD161/141
– 11 –
Figure 11 BLOCK DIAGRAM (1/3)
62
51 37
46
56
39
55
38
54
33
53
32
11
8
4
2
~
+5V
FOCUS COIL
TRACKING COIL
PICKUP UNIT
18
28
29
13
3
25
26
5
20
6
21
49
50
52
53
51
54
Q804
+5V
23
6
63
43
64
10
44
12
45
9
14
13
43
16
44
17
18 19
20
15
3240
1
61
58
57
CL, DAT, SELIAL CONTROL
CONSTANT
VOLTAGE
REGULATOR
16
27
31
28
15
30
29
M
M
M702
SLIDE
MOTOR
M701
SPIN
MOTOR
1
2
3
4
+7.4V
(CD)
SECTION
MAIN
TO
VVDD
XIN
XOUT
VDD
XVDD
EFMO EFMIN CLV+ CLV–
V/P HFL
TES TOFF JP– JP+ TGL
RES. CQCK. COIN
SQOUT. RWC. WRQ
LCHO
IC802
LC78622E
SERVO/SIGNAL
CONTROL
16.93MHz
XL801
SLI
SLC
CV+
JP–
DRF
CE
DAT
CL
CLK
DEF
SLD
SLEQ
SPO
FD
TO
SL+ SL–
F E FIN1 FIN2
64
62
+5V
Q801
VCC1
LDD
LASER
DRIVER
SERVO AMP.
LA9240M
IC801
30
1
+7.4V
978
22
24
10
25
11
IC803
LA6541
FOCUS/TRACKING
/SPIN/SLIDE
DRIVER
TO MAIN
SECTION
TO MAIN
SECTION