Cd Block Diagrams - Sharp CD-DK890N Service Manual

CD-DK890N

[2] CD Block Diagrams

TO MAIN SECTION
1 2 3 4 5
75
43 CE
CL
44
DI
45
DO
46
RESB
47
INTB0
48
49 INTB1
38 DVDD 1.8
66 DVDD 1.8
XOUT
72
73 XIN
21 36 41
+3.3V
CONSTANT
VOLTAGE
TO DISPLAY SECTION
6 7 1 2 3 4 5 6
78 51
IC1
LC78690E
CD SERVO
68 74 76 5 6 7 8 13
LASER
DRIVER
Q1
+3.3V
Figure 4-3: CD BLOCK DIAGRAM
7 8 9 10 11 12 13 14 1 2
52
77
71
67
57
56
55
54
53
42
40
37
26
20
PUIN 32
SLDO 24
SPDO
25
FDO
22
TDO 23
14 19 18
9
+7.5V
27
28
24
21
4 – 3
M M
- -
3 4 5 6 7 8 9 10 11
11 13 15 17 31 32 33 34
22
23
FWD5
19
REV5 20
IC2
LA6261
30
FOCUS/TRACKING/
7
SPIN/SLIDE
PVCC1
DRIVER
26
SVCC
PVCC2
REG IN 8
VCONT6
REG OUT 10
VCONT5
1 2 35 36 3 4
5 6
NM1
M
SPINDLE
MOTOR
PICKUP
NM2
M
SLED
MOTOR
Q2
+3.3V
Q3
NSW 1
IN