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BVW-55
Maintenance manual
Sony BVW-55 Maintenance Manual page 725
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:
Maintenance manual
(236 pages)
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Advertisement
BE
R1717
0
R1718
0
NM
+5V
C1731
0.022uF
9
71
51
Y9
YO9
72
50
8
Y8
YO8
7
74
49
Y7
YO7
6
75
48
Y6
YO6
5
76
47
Y5
YO5
4
77
46
Y4
YO4
3
78
45
Y3
YO3
2
79
44
Y2
YO2
80
43
Y1
YO1
1
41
Y0
YO0
40
OE1
+5V
22
4
D0
BID
24
5
D1
CBLK
25
6
ENS1
VBLK
26
7
ENS0
HSYN
27
8
MOD1
VISC
28
9
MOD2
X30
29
IC1708
10
MODS
SW1
S1701
(7/8)
CXD2209Q
30
11
13
14
TIN0
GRSW
31
13
TIN1
NROF
32
14
TIN2
EOFF
35
15
TDCK
DEF
36
16
TSD
MUT1
37
17
TDEN
MUT2
38
18
TCL
DIGT
66
19
SLD
X75
67
20
SDAT
AOFF
68
21
SCK
DT
65
69
DSTB
STP
70
SOUT
IC1715
(4/4)
62
9
TC7W14FU(TE12R)
DY9
61
8
+5V
DY8
60
7
DY7
59
6
DY6
58
5
VCC
DY5
C1741
57
4
0.022uF
GND
DY4
56
3
DY3
55
2
DY2
34
54
1
CLR
DY1
3
53
0
CK
DY0
39
64
INIT
OE2
IC1715
(1/4)
TC7W14FU(TE12R)
1
7
IC1707
(5/5)
TC74VHC32FT(EL)
+5V
IC1709
TC74VHC175FT(EL)
+5V
IC1711
C1734
VCC
TC74VHC163FT(EL)
C1732
0.022uF
0.022uF
GND
16
IC1707
(2/5)
4
Vcc
2
TC74VHC32FT(EL)
IC1707
(3/5)
D1
Q1
TC74VHC32FT(EL)
3
5
Q1
6
9
IC1707
(1/5)
5
7
4
8
9
TC74VHC32FT(EL)
D2
Q2
10
LD
6
3
IC1707
(4/5)
2
Q2
A
3
12
10
4
TC74VHC32FT(EL)
1
D3
Q3
B
11
12
5
Q3
11
C
13
15
13
6
D4
Q4
D
14
Q4
9
2
CK
CK
1
IC1710
(3/3)
CLR
GND
TC74VHC74FT(EL)
7
ENP
8
+5V
10
ENT
1
CLR
VCC
IC1706
(4/4)
C1735
0.022uF
TC7W14FU(TE12R)
GND
+5V
VCC
C1733
+5V
0.022uF
IC1710
(2/3)
IC1710
(1/3)
GND
TC74VHC74FT(EL)
TC74VHC74FT(EL)
10
4
12
9
2
5
PR
PR
D
Q
D
Q
1
7
11
8
3
6
CK
CK
Q
Q
CLR
CLR
IC1706
(1/4)
TC7W14FU(TE12R)
13
1
BVW-55
I
J
S1701
(6/8)
11
12
CENR OFF
+5V
C1737
0.022uF
9
71
51
Y9
YO9
72
50
8
Y8
YO8
7
74
49
Y7
YO7
6
75
48
Y6
YO6
5
76
47
Y5
YO5
4
77
46
Y4
YO4
3
78
45
Y3
YO3
2
79
44
Y2
YO2
80
43
Y1
YO1
1
41
Y0
YO0
40
OE1
+5V
22
4
D0
BID
24
5
D1
CBLK
25
6
ENS1
VBLK
26
7
ENS0
HSYN
27
8
MOD1
VISC
28
9
MOD2
X30
29
IC1712
10
MODS
SW1
S1701
(8/8)
CXD2209Q
30
11
15
16
R ENR ADJ
TIN0
GRSW
31
13
TIN1
NROF
32
14
TIN2
EOFF
35
15
TDCK
DEF
36
16
TSD
MUT1
37
17
TDEN
MUT2
38
18
TCL
DIGT
66
19
SLD
X75
67
20
SDAT
AOFF
68
21
SCK
DT
65
69
DSTB
STP
70
SOUT
62
9
DY9
61
8
DY8
60
7
DY7
59
6
DY6
58
5
DY5
57
4
DY4
56
3
DY3
55
2
DY2
34
54
1
CLR
DY1
3
53
0
CK
DY0
39
64
INIT
OE2
9P
ENR_ON
B9
BH
R1722
0
IC1716
(5/5)
TC74VHC157FT(EL)
+5V
R1720
100k
R1721
VCC
C1742
0
0.022uF
NM
GND
+5V
C1736
0.022uF
IC1716
(1/5)
IC1706
(3/4)
TC74VHC157FT(EL)
16
TC7W14FU(TE12R)
VCC
14
3
5
2
4
QA
A
Y
REGEN_FP1
9P
13
3
QB
IC1706
(2/4)
B
12
1
TC7W14FU(TE12R)
QC
SEL
11
6
2
15
QD
ST
IC1716
(2/5)
TC74VHC157FT(EL)
5
7
A
Y
REGEN_FP2
9P
6
15
B
C0
GND
IC1716
(4/5)
TC74VHC157FT(EL)
8
14
12
A
Y
13
B
K
DM-121 (8/9)
DM-121 (8/9)
S1701
(3/8)
D1704
5
6
Y ENR ADJ
1SS300-TE85L
S1701
(1/8)
2
1
1
2
Y MUTING
3
8P
L-Y_NO_SIG
D1703
1SS300-TE85L
2
1
3
R1738
4.7k
+5V
C1738
0.022uF
9
71
51
Y9
YO9
72
50
8
Y8
YO8
7
74
49
Y7
YO7
6
75
48
Y6
YO6
5
76
47
Y5
YO5
4
77
46
Y4
YO4
3
78
45
Y3
YO3
2
79
44
Y2
YO2
80
43
Y1
YO1
1
41
Y0
YO0
R1730
40
0
OE1
NM
22
4
D0
BID
R1729
0 NM
24
5
D1
CBLK
25
6
ENS1
VBLK
26
7
ENS0
HSYN
+5V
27
8
MOD1
VISC
28
9
MOD2
X30
29
IC1713
10
MODS
SW1
CXD2209Q
Y ENR OFF
30
11
TIN0
GRSW
S1701
(2/8)
31
13
3
4
TIN1
NROF
32
14
TIN2
EOFF
35
15
TDCK
DEF
36
16
TSD
MUT1
37
17
TDEN
MUT2
38
18
TCL
DIGT
66
19
SLD
X75
67
20
SDAT
AOFF
68
21
SCK
DT
65
69
DSTB
STP
BI
70
SOUT
62
DY9
DY9
61
DY8
R1731
DY8
100
60
DY7
DY7
59
DY6
DY6
58
DY5
E1701
DY5
57
DY4
DY4
56
DY3
DY3
55
DY2
DY2
34
54
DY1
CLR
DY1
3
53
DY0
CK
DY0
39
64
INIT
OE2
R1726
100k
R1727
47
D1702
1SS300-TE85L
2
1
IC1716
(3/5)
3
TC74VHC157FT(EL)
11
9
A
Y
10
B
BM
1
2
4
3
R1739
0
NM
+5V
R1740
0
NM
9
34
CIN9
8
32
65
CIN8
BY9
7
31
64
CIN7
BY8
6
30
62
CIN6
BY7
5
29
61
CIN5
BY6
4
28
60
CIN4
BY5
3
27
59
CIN3
BY4
2
26
58
CIN2
BY3
1
25
57
CIN1
BY2
0
24
56
CIN0
BY1
33
55
BJ
IC1714
VDD1
BY0
73
CXD8935BQ
50
DC9
VDD2
RY9
3
49
DC8
CK
RY8
7
48
DC7
LBY
RY7
2
47
DC6
VSS1
RY6
12
46
DC5
VSS2
RY5
C1739
23
45
DC4
0.022uF
VSS3
RY4
42
44
DC3
VSS4
RY3
52
43
DC2
VSS5
RY2
63
41
DC1
VSS6
RY1
40
DC0
RY0
R1725
100k
IC1715
(2/4)
TC7W14FU(TE12R)
6
2
3
5
+5V
IC1715
(3/4)
TC7W14FU(TE12R)
R1737
68k
S1701
(4/8)
7
8
C MUTING
S1701
(5/8)
9
10
COMB
C1740
R1734
10uF
100k
10V
+5V
R1733
1
2.2k
3
2
D1705
1SS300-TE85L
4-49 (b)
4-49 (b)
L
M
VISC_EX
9P
DY_0-9
9P
E1703
BM
5P,9P
L-BID
9P
SCK_2
9P
DTSTB
9P
CBID
9P
E1702
DC_0-9
9P
H-DCLP_OFF
9P
RF DEMODULATOR, TBC
DM-121 (8/9)
BOARD NO. 1-673-526-12
LOT NO. 904-
BVW-55_DM-121_012
N
O
1
2
3
4
5
P
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