Sharp MD-C2 Service Manual page 32

MD-C2
OPTICAL PICUP
SW4
26
21
SOK01
SOLENOID
22
37
36
M 38
39
MK01
8
UP/DOWN
LOADING MOTOR
14
23
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
MK03
M
SLED
MOTOR
MK02
M
SPINDLE
MOTOR
4 5 6 7
27 15 16
20
1
IC3
2
M63001FP
17
FOCUS/TRACKING/SPIN/
25
SLED/LOADING DRIVER
29
35
41 42 28 18 24
+12V
(+B1) +7V
(+B2)
Q51
CNP12
TO MAIN SECTION
(TO MICROCOMPUTER)
Figure 32 WIRING BLOCK DIAGRAM (2/5)
VREF
58
TO
15
FD
16
SPO
27
SLD IC1
29
LA9241M
SL–
30
SL+
31 SERVO AMP.
CL
51
50 CLK
DRF
54
CE
53
DAT
52
~
44 43 41 40
20 19 18 17 16 15 14 13
24
CONT 1
25
CONT 2
26
CONT 3
IC2
CONT 4
27
LC78622NE
SERVO/SIGNAL
53
CONTROL
58
61
34
2 4 8 11 32
31
SW1
OPEN/CLOSE
SW2
MECHA UP
SW3
DISC NUMBER
CNP99
3 2
– 32 –
4
3 2 1
LASER DRIVER
62 Q1
64
32
12 10 9
45
XIN
XL1
16.934MHz
XOUT
44
6
VVDD
VDD
23
LVDD 36 +5V
RVDD
41
XVDD 43
33 38 39 46 51 62 63 64
OPTICAL
PICKUP
IC1,IC2
+5V
VOLTAGE
+5V
Q52
REGULATOR
CNP11 6 5 4
+5V