Block Diagram - Sharp CD-BP2000W Service Manual

CD-BP2000W/210W/2000A/BK2000W/210W
75 76
65
CE
66 CL
67 DI
68
DO
69 INT
70 WRQ
71
RES
72
DEF
52 XOUT
XL1
16.93MHz
51
XIN
VDD5V
73 5 18 36 44 49 50
CONSTANT
Q1
VOLTAGE
30
+3.3V
23
11
9
1
+5V
TO MAIN SECTION
(TO IC601)
1 2
3 4 5 1
Q2
45 46 47 48 32 31 30
IC2
LC78641E
SERVO/SIGNAL
CONTROL
CONT5
SLDO
SPDO
FDO
TDO
7 14 15 16
17 18 19 20 21 22
IC1
LA9235M
SERVO AMP.
2 7 8
3 4
Figure 18 BLOCK DIAGRAM (1/4)
TO DISPLAY SECTION
2 3 4 5 6 7 8 9 10
74
64
40
19
13
3
33
26
25
24
23
LASER
DRIVER
+3.3V
Q3
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
– 18 –
SW1
CLAMP
OPEN/
CLOSE
1 2
1 2
1 2
1 2 17 25 41 42
18
VCC1
IC3
M63001FP
40
VCC4
FOCUS/TRACKING/
SPIN/SLED DRIVER
24
VCC2
+5V
23
28
VCC3
4 5 6 7 15 16 26 27
M
M
SW2 SW3
DISC
NUMBER
M3
T/T
M
UP/DOWN
MOTOR
-
3 5 6
4
3 5 6
4
3 5 6
4
38 39
35
29
22
21
14
8
SW4
PICKUP IN