Block Diagram - Sharp CD-BA160H Service Manual

CD-BA1700H
ONLY
IC99
TOTX178A
OPTICAL FIBER
DATA LINK
3 2 1
1 2
3 BI99
3 2 1 CNS99
3 2 1
CNP5
75 76
65
CE
66 CL
DI
67
68
DO
69
INT
70
WRQ
71
RES
72
DEF
52
XOUT
XL1
16.9344MHz
51 XIN
CD-BA1700H
VDD5V
ONLY
73 5 18 36 44 49
CONSTANT
Q1
VOLTAGE
+3.3V VCC
30
23
11
9
1
+5V
TO MAIN SECTION
(TO IC401)
1 2
3 4 5 1
Q2
45 46 47 48 37 32 31 30
IC2
LC78641E
SERVO/SIGNAL
CONT5
CONTROL
SLDO
SPDO
FDO
TDO
7 14 15 16
50
17 18 19 20 21 22
IC1
LA9235M
SERVO AMP.
2 7 8
3 4
PICKUP UNIT
Figure 21 BLOCK DIAGRAM (1/3)
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
M2
SLED
MOTOR
M1
SPINDLE
MOTOR
– 21 –
CD-BA160H/1700H
SW1
OPEN/
CLOSE
1
CNP12
1
1
1 2 17 25 41 42 38 39
18
VCC1 IC3
M63001FP
40 VCC4
FOCUS/TRACKING/
24
VCC2
+5V
SPIN/SLED DRIVER
23
28 VCC3
4 5 6 7 15 16 26 27
M
M
SW3
DISC
SW2
CLAMP NUMBER
M3
M LOADING
MOTOR
-
2 BI4
3 4 5 6
2 CNS4
3 4 5 6
2 CNP4
3 4 5 6
35
29
22
21
14
8
SW4
PICKUP IN