Block Diagram - Sharp CD-C1W Service Manual

PICKUP IN
SW702A
30
31
FOCUS/TRACKING/
8
9
SPIN/SLIDE DRIVER
10
11
36 35
OPTICAL
PICKUP
IC1
IC2
+5V
VOLTAGE
Q81
REGURATOR
+7.3V (B2)
TO MAIN SECTION
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M702
M
SLED
MOTOR
M701
M
SPINDLE
MOTOR
7 6
25 24 13 12
1
IC3
5
M56748FP
14
22
32
34 29 28 27 26 20 17
+B1
CAM SWITCH
SWB101
SWB102
SWB103
SWB104
TRAY SWITCH
SWB105
SWB106
SWB107
SWB108
Figure 17 BLOCK DIAGRAM (1/3)
4 3 2 1
TO
15
FD
16
SPO
27
SP
23
SLD IC1
29
LA9241M
SL–
30
SL+ SERVO AMP.
31
DRF
54
50 CLK
CL
51
DAT
52
CE
53
~
44 43 41 40 32
~ 9
20 12 10
53
IC2
LC78622K
58
SERVO SIGNAL
61
CONTROL
39 38 37 26 27 28
40
Q51
CONT3
CONT4
CONT5
2
8
IC81
6
+B4
TA7291S
1
MAIN CAM MOTOR
5
DRIVER
9
3 7
– 17 –
CD-C1W,CP-C1W
LASER
DRIVER
62 Q1
+5V
64
56
XIN 45
XL1
16.934MHz
XOUT
44
6
VVDD
VDD 23
LVDD 36 +5V
RVDD
41
XVDD
43
2
24 25
IC82
1 6
CONT2 TA7291S
TRAY MOTOR
9 5
CONT1
DRIVER
3 7
MOB2
4
M
4
MOTOR
3
3
2
2
MOB1
M
MAIN CAM
1
1
MOTOR
+B4
TRAY