Block Diagram - Sharp CD-BA3100 Service Manual

NSW1
PICKUP
NM2
IN
SLED
MOTOR
M
M
27 26 16 15
8
14
IC2
M63001FP
21
FOCUSE/TRACKING/
SPIN/SLED DRIVER
29
35
36 37 38 39
42 41
CNP5
4 3 2 1
3 2 1
4
M
M
CAM
MOB1
MOB2
SWITCH
CAM
TRAY
MOTOR
MOTOR
NM1
SPINDLE
MOTOR
7 6 5 4
VCC3
28
+5V
VCC2 24
VCC4 40
VCC1 18
TM+ 23
TM– 22
25 1 7 2 1
CNP6
4 3 2
1
8 6
7
4 3 2 1
8 7 6
4 3 2
1
8 7 6
Figure 23 BLOCK DIAGRAM (1/3)
LASER
DRIVER
Q1
+3.3V
80 79 10 9
TD0
20
FD0
21
22 SPDO
SLDO
23
27 PU IN
19
28
37
LC78645E
CD SERVO
40
50
51
55
56
57
69
75
71 70
25 26
5 4 3 2 1
12 11 10
5 4 3 2 1
5 4 3 2 1
TRAY
SWITCH
– 23 –
+3.3V
8 7 46 41 77 47 38 18 5
XIN
49
XOUT 48
IC1
RES 66
WRQ 65
DO
64
DI
63
CLK 62
CE
61
45 44 43 42
CNP7
9 6 5 4 3 2 1
8 7
TO DISPLAY SECTION
CD-BA3100
PICK UP UNIT
+5V
CONSTANT
VOLTAGE
Q2
XL1
33.8688MHz
4
6 5 3 2 1
TO MAIN SECTION