Block Diagram - Sharp MD-E9000H Service Manual

MD-E9000H
+5V
+B2
60 59 58
CE
61
CLK
62
DI
63
DO
64
WRQ
65
RES
66
67 DRF
68
VDD5
48 XOUT
XIN
49
5 41 38 18
+3.2 V
CONSTANT
Q2
VOLTAGE
TO DISPLAY SECTION
2
1 3 4
39
25 70 71 72
IC1
LC78645NE
CD SERVO
CONT5
SLDO
SPDO
FDO
TDO
47 46 77 7 8 9 10 79 80 11
LASER
DRIVER
+3.2 V Q1
Figure 38 BLOCK DIAGRAM (1/4)
5 6 7
CNP5
75
69
57
56
55
51
50
40
37
28
19
26
23
22
21
20
M2
SLED MOTOR
M
SLED
MOTOR
SPINDLE MOTOR
M
M1
SPINDLE
MOTOR
SW4
PICKUP IN
– 38 –
14
10
IC4
11
13
74VHC08F
INVERTER
4 6
3
1
5 V 3 V
+B2 (5V)
LOADING MOTOR
DRIVER
IC3
TA7291S
5 8 3 7 9
1
Q3
+5 V
2 29 19 27
IC2
5
LA6548D
6
FOCUS/
25
TRACKING/
26
SPIN/ SLED
DRIVER
10
OUT2
11
20
OUT1
21
15 1
CNS1
1
2
3
4
5
6
2
6
–
2 2
M
+
1 1
M904
CD LID
MOTOR
4 12
30