Block Diagram - Sharp CD-BK1600V Service Manual

Video cd mini system
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CD-BK1600V/1800V/190V
2127 3545
DQ15
DQ12
DQ11
DQ8
A8
A4
A3
A0
RAS
WE
20
DQ7
6
1
DQ4
DQ3
DQ0
JK671
CNPV3
VIDO OUT
6
M3
T/T
UP/DOWN
BI4
CNS4
CNP4
MOTOR
-
6
6
6
SW3
M
DISC
5
5
5
NUMBER
4
4
4
SW2
CLAMP
3
3
3
2
2
2
1
1
1
SW1
OPEN/
CLOSE
CNP12
12
MBUSY
11
SBUSY
GND
10
CLAMP SW
9
CD RES
8
CLK
7
DI
6
DO
5
CE
4
DRF
3
WRQ
2
CDINT
1
CNP11
5
+5V(+B3)
4
DGND
L-CH
3
AGND
2
1
R-CH
All manuals and user guides at all-guides.com
XV2
27MHz
14
13
10
7
5
2
MD8
73
39
MD11
70
36
68
MD12
34
92
MD15
65
84
31
ICV2
62
MD0
83
26
76
D61012GC
MD4
58
75
22
56
MD5
MPEG DECODER
63
19
MD7
51
54
44
16
53
MCAS
14
52
MWE
36
49
25
13
MRAS
10
48
MA0
23
7
45
MA3
17
5
42
MA4
15
2
MA8
38
1
38
35 32 33 9597 98 99
1
59
33
26
56
55
54
35
57
40
30
CONT2
CONT3
31
CONT4
32
RCHO
48
IC2
RFEV
47
RVSS
LC78641E
SERVO/SIGNAL
46
LVSS
CONTROL
45
LCHO
53
76
CONT7
75
CONT6
65 66 67 68 69 70 71 72
16.9344MHz
Figure 16 BLOCK DIAGRAM (1/4)
XV1
4.19MHz
40
57
HD0
64
HD7
ICV1
MPEG CONTROLLER
IX0352AW
15
44
QV2
QV3
+B3
35
29 22 21 14
39
38
42
M63001FP
FOCUS/TRACKING/
41
SPIN/SLED DRIVER
25
17
2
1
18
25
24
23
19
TE
16
22
FE
15
21
FE-
RFEV
14
FE
20
HFL
7
TE-
19
3
TE
18
50
XVDD
17
HFL
RVDD
49
44
LVDD
+3.3V
36
VDD
ADAVDD
18
VVDD
5
+5V
73
52
51
Q1
CONSTANT
XL1
VOLTAGR
– 16 –
41
50
45
42
33
25
17
16
14
9
7
20
18
19
22
PICKUP IN
8
27
26
16
IC3
15
7
6
5
4
40
24 23 28
M
M1
SPINDLE
MOTOR
+3.3V
TRACKING COIL
LASER
FOCUS COIL
Q3
DRIVER
8
LDD
7
PD
IC1
LA9235M
4
TIN2
SERVO AMP.
3
TIN1
FIN2
2
FIN1
1
30
23
11
9
+5V
PICKUP UNIT
+3.3V
SW4
M
M2
SLED
MOTOR

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