Sharp CD-BP1450V Service Manual page 15

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