Sharp CD-BA180 Service Manual - Page 9
Browse online or download pdf Service Manual for Stereo System Sharp CD-BA180. Sharp CD-BA180 44 pages. Mini component system
Print Page75 76
65
CE
66
CL
67
DI
68
DO
69
INT
70
WRQ
71
RES
72
DEF
52
XOUT
XL1
16.9344MHz
51
XIN
VDD5V
73
5 18 36 44 49 50
CONSTANT
VOLTAGE
Q1
30
+3.3V
23
11
9
1
2
+5V
TO MAIN SECTION
(TO IC401)
1
2
3
5
1
2
4
Q2
45 46 47 48
32 31 30
74
64
40
19
13
IC2
LC78641E
SERVO/SIGNAL
CONTROL
CONT5
33
26
SLD0
25
SPD0
24
FD0
TD0
23
7
14 15 16
17 18 19 20 21 22
IC1
LA9235M
SERVO AMP.
DRIVER
3 4
7 8
Figure 9 BLOCK DIAGRAM (1/3)
TO DISPLAY SECTION
5
7
8
9 10
3
4
6
3
LASER
Q3
+3.3V
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
– 9 –
SW2
SW1
CLAMP
OPEN/
CLOSE
1
2
3
1
2
3
1
2
3
1
2
17 25
41 42
38 39
18
VCC1
IC3
40
VCC4
M63001FP
FOCUS/TRACKING/
24
SPIN/SLED DRIVER
VCC2
23
28
VCC3
4
5
6
7
15 16 26 27
M
M
CD-BA180
SW3
DISC
NUMBER
M3
T/T
M
UP/DOWN
MOTOR
-
5
6
4
5
6
4
4
5
6
35
29
22
21
14
8
SW4
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