Block Diagram - Sharp CD-BP160W Service Manual

TO MAIN SECTION
1
75 76
65 CE
CL
66
DI
67
DO
68
INT
69
WRQ
70
SERVO/SIGNAL
71 RES
72 DEF
XOUT
52
XIN
51
XL1
VDD5V
16.9344MHz
73 5 18 36 44 49 50
CONSTANT
VOLTAGR
Q1
+3.3V 30
23
SERVO AMP.
11
9
1 2
3 4
+5V
PICKUP UNIT
(TO IC401)
2 3 5 1 2
4
Q2
45 46 47 48 32 31 30
74
64
40
19
13
IC2
3
LC78641E
CONT5
33
CONTROL
SLD0
26
SPD0 25
FD0 24
TD0
23
7 14 15 16
17 18 19 20 21 22
IC1
LA9235M
LASER
DRIVER
7 8
Figure 15 BLOCK DIAGRAM (1/3)
TO DISPLAY SECTION
7
3 4 5 6 8 9 10
+5V
+3.3V
Q3
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
– 15 –
CD-BP160W/180W/1500W/1700W
SW2
CLAMP
SW1
OPEN/
CLOSE
1 2
3
1 2
3
1 2
3
1 2 17 25 41 42 38 39
18 VCC1
IC3
VCC4
40
M63001FP
24 VCC2 FOCUS/TRACKING/
SPIN/SLED DRIVER
23
VCC3
28
4 5 6 7 15 16 26 27
M
M
SW3
DISC
NUMBER
M3
T/T
M
UP/DOWN
MOTOR
-
5 6
4
5 6
4
4 5 6
35
29
22
21
14
8
SW4
PICKUP IN