Cv17 0.01 - Sharp CD-BP1450V Service Manual

Video cd mini system
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+B
+B
+B
NJM2267M
OPERATION AMP.
+B
CV11
0.22
99
98 97 96 9594 93 9291 90 8988 8786 85 84 83 82 81 80 79 78 77
100
1
VDD
2
HD7
3
HD6
4
HD5
5
HD4
6
GND
7
HD3
8
HD2
9
HD1
CV6
10
HD0
XV2
27P(CH)
11
27MHz
GND
12
GND
XV2
13
X1
14
X2
CV7
15
VDD
27P(CH)
16
CKSEL
17
VDD
18
GND
19
HCS
20
HRD
21
HWR
22
HA
23
HSELX
+B
24
HSELA
25
VDD
CV9
0.22
26
27
28
CV10
47/6.3
+B
7
VIDEO SIGNAL
RV64
47
RV95
CV39
6.8K
1000/6.3
ICV4
4
5
VIDEO
3
6
CV40
22/6.3
2
7
1
8
CV17
0.01
CV18
1000/6.3
CV15
RV61
4.7/25
100K
RV60
100
99
CDI
100
GND
ICV2
D61012GC
MPEG DECODER
27
RESET
26
GND
29
34
36
40
41
42
43
30
31
32
33
35
37
38
39
+B
8
Figure 15 SCHEMATIC DIAGRAM (2/11)
CD VIDEO PWB-B(1/2)
RV62
150
RV63
150
CV41
4.7/25
+B
RV96
33K
+B
+B
76
75
VDD
74
GND
73
MD8
72
MD9
71
MD10
GND
76
70
MD11
77
VCLK
69
GND
68
MD12
67
MD13
66
MD14
65
MD15
64
GND
CV21
63
VDD
0.22
62
MD0
61
MD1
MD2
60
MD3
59
MD4
58
GND
57
+B
MD5
56
55
MD6
54
MD7
49
MRAS
53
MCAS
GND
50
52
MWE
51
VDD
CV20
44
45
46
47
48
49
50
0.22
9
10
– 15 –
CD-BP1450V
VIDEO OUT PWB-A4
JK902
VIDEO OUT
1
1
2
2
D919
DS1SS133
D918
CHASSIS
DS1SS133
CV24
0.22
1
40
VDD
VSS
2
39
DQ0
DQ15
3
38
DQ1
DQ14
4
37
DQ2
DQ13
5
36
DQ3
DQ12
6
35
VSS
VDD
7
34
DQ4
DQ11
8
33
DQ5
DQ10
9
32
DQ6
DQ9
31
10
DQ7
DQ8
11
30
12
29
LCAS
13
28
WE
UCAS
14
27
RAS
OE
15
26
A8
16
25
A0
A7
A1
24
17
A6
18
A2
23
A5
L63
19
A3
22
A4
0.82
20
21
VDD
VSS
CV23
CV25
47/6.3
0.22
11
GND
12

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