Sony BVW-55 Maintenance Manual page 842

1
2
3
4
5
A B
SY D0-D7
SY DBUS
3P 2P 1P
1P SY ABUS
1P
L:LTC INT
1P L:SY RDEN
1P L:SY WREN
1P L:LTC CS
IC401(1/3) IC401(2/3)
TC7W14FU TC7W14FU
(TE12R) (TE12R)
1 7 6
1P SY FRAME
GND GUARD
R403 2200
41-91 PB LTC
R404 2200
42-37 LTC SOURCE
R405 4700
41-93 REC LTC
R406 4700
42-35 LTC OUT
R402
0
42-39 GND
IC400(1/9) IC400(2/9)
SN74HCT244APW SN74HCT244APW
-E05 -E05
R400 100
4 16
41-89
EDIT CTL
R401 100 2 18
41-87 TAPE DIRECTION
1P L:SY RESET
X400
13.5MHz
C400
22p
C
SY-272 (4/4) SY-272 (4/4)
IC402
CXD8384Q
43 99
D0
CSVD D0
42 100 D1
CSHD D1
45 1 D2
HDO D2
44 2 D3
HDI D3
48 5 D4
FRAM D4
51 6 D5
FRMI D5
61
7 D6
REF D6
52 8
D7
LSHI D7
50 12 A0
DLYO A0
2 49 13 A1
DLYI A1
55 14 A2
LSHO A2
56 16 A3
VCEO A3
57 17 A4
VCI1 A4
58
18 A5
VCI2 A5
9
CS
59 10
LTCO WR
25 11
LTCI RD
24 75
PBTC INTM
20 76
X1TC INTG
21 77
REC INTL
22 80
OUT INTC
23
81
READ INTR
36 82
DEMI INTX
26 93
CTLI INTE
27
REV
60
CFNG
37 66
K16I NT4F
38 67
K16O PL4F
39 68
CK2I PL8F
69
PM8F
19
41
CK2O X1BE
73 30
RES RSYC
87 31
ALCK LREV
88 32
CK2M DCLK
33
DATA
34
R408
BER
1M
89 47
CK1I IFRM
R407 46
VDO
330
91
CK1O
15
VSS 35
40 DMCK
VSS 92
C401 5V
65 DCCK
22p
VSS
90
VSS
R409
0 5V
64
TEST
70
74
R410
TEST BKUP
,NM
83
TEST
84
TEST
85
TEST
86
TEST
94
TEST
95
TEST
96
TEST
97
71
TEST LRRV
98
TEST
3
5V
VDD 72
C402
XINT
33 C404
16V 0.1 4
:TA-C
VSS
5V
28
VDD
C405
0.1
29
VSS
53
5V
VDD
C403
C406
33
0.1
16V 54
:TA-C
VSS
5V
78
VDD
C407
79
0.1
VSS
4-126 4-126
D E
C19
0.1
C8
5V
0.1
IC9
SN74HCT245APW
RB1
20 10
-E05 100x4
2 GND VCC 18 1
A7
A6 3 17 3
A5 4 16 5
5 7
A4 15
6 14 1
A3
7 13 3
A2
8 12 5
A1
9 11 7
A0
DIR EN
5V
RB2
100x4
1 19
C9
5V
0.1
IC10
SN74HCT245APW
RB3
-E05 20 10 100x4
2 GND VCC 18 1
A15
3 17 3
A14
A13 4 16 5
A12 5 15 7
1
A11 6 14
7 13 3
A10
8 12 5
A9
9 11 7
A8
DIR EN
5V
RB4
1 19
100x4
C10
5V
0.1
IC11
SN74HCT245APW
RB5
20 10
-E05
100x4
R6 1k 2 GND VCC 18 1
3 17 3
A22
4 16 5
A21
A20 5 15 7
A19 6 14 1
A18 7 13 3
8 12 5
A17
9 11 7
A16
DIR EN
5V
RB6
1 19
5V 100x4
5V C11
0.1
IC12
R1 R2
SN74HCT245APW
100k 100k RB7
-E05 20 10
100x4
2 GND VCC 1
R4 1k 18
3 3
17
4 5
R5 1k 16
5 15 7
6 14
13 7 R10 100
3P H:SY JIG WP
12 8 R11 1k
3P H:SY JIG BVD
11 R12 100
9
3P L:SY JIG CD
DIR EN R13 100
5V
1 19
R41 ,NM
IC13 R43 ,NM
C12
SN74HCT245APW 5V
0.1
-E05
R3
100k
5V
20 10
2 GND VCC
D7 18 9
3
D6 17 2
4
D5 16 8
5
D4 15 3
6 14 7
D3
D2 7 13 4
D1 8 12 6
D0 9 11 5
DIR EN
RB9
1 19
47kx8
1P L:SY EXTDATAEN
R7
1P L:SY JIG CS
100
3P L:SY JIG REG
3P L:SY JIG EN
R8
0 R9
10k
F G
5V
VCC 3-2
VCC 3-1
C13
22
16V
:TA-C
GND 3-6
GND 3-5
GND 3-4
GND 3-3
2
SY JIG A7 3-14
4
SY JIG A6 3-13
6
SY JIG A5 3-12
8
SY JIG A4 3-11
2
SY JIG A3 3-10
4
SY JIG A2 3-9
6
SY JIG A1
3-8
8
SY JIG A0 3-7
2
SY JIG A15 3-22
4
SY JIG A14 3-21
6
SY JIG A13 3-20
8
SY JIG A12 3-19
2
SY JIG A11 3-18
4
SY JIG A10 3-17
6
SY JIG A9 3-16
8
SY JIG A8
3-15
2
SY JIG A23 3-44
4
SY JIG A22 3-43
6
SY JIG A21 3-42
8
SY JIG A20 3-41
2
SY JIG A19 3-40
4
SY JIG A18 3-25
6
SY JIG A17 3-24
8
SY JIG A16 3-23
2
SY JIG A25 3-46
4
SY JIG A24 3-45
6
SY JIG OE 3-37
8
SY JIG WE 3-38
SY JIG CS 3-35
SY JIG WP 3-26
SY JIG BVD1 3-50
SY JIG CD1 3-47
SY JIG BVD2 3-48
SY JIG CD2 3-49
9
SY JIG D7 3-34
2
SY JIG D6 3-33
8
SY JIG D5 3-32
3
SY JIG D4 3-31
7
SY JIG D3 3-30
4
SY JIG D2 3-29
6
SY JIG D1 3-28
5
SY JIG D0 3-27
SY JIG NC 3-36
R44
,NM
SY JIG REG 3-39
BVW-55
H