Sony BVW-55 Maintenance Manual page 840

1
2
3
4
5
A B
SY-272 (3/4)
4P 2P 1P SY DBUS
1P SY ABUS
1P L:SY WREN
1P L:SY RDEN
2P L:SY PIO RESET
1P SY 8MHZ
1P SY DBCLK
1P
L:SY RESET
5V 5V
C302
C303
0.1
0.1
41 40 91 90
R303
VDD GND VDD GND
100
34
RST
35
SYS CK
36
C CK
D0 64
CD0
D1 63
CD1
62
D2
CD2
D3 61 IC302
CD3
CXD8804Q
D4 60
CD4
59
D5
CD5
D6 58
CD6
57
D7
CD7
51
A0
CA0
A1 50
CA1
49
A2
CA2
A3 48
CA3
A4 47
CA4
46
A5
CA5
A6 45
CA6
A7 44
CA7
43
A8
CA8
A9 42
CA9
39
A10
CA10
38
A11
CA11
A12 37
CA12
55
1P L:SIF1 CS R CS
56
1P L:SIF1 CONT CS C CS
54
C OE
53
C WE
52
1P SIF1 WAIT WAIT
89
0
RA0
1 88
RA1
2 87
RA2
86
3
RA3
4 85
IC300 RA4
84
LC3564BM-70 5
-TLM RA5
83
6
RA6
0 21 7 82
A0 RA7
23 81
1 8
A1 RA8
2 24 9 80
A2 RA9
RB300
3 25 10 79
47kx8
A3 RA10
2 78
4 5V 11
A4 RA11
3
5 12 77
A5 1 RA12
4 11 5
6 5 76
A6 D0 RD0
5
12 6 6 75
7
A7 D1 RD1
8 6 13 4 4 74
A8 D2 RD2
15 7 73
9 7 7
A9 D3
RD3
8 16 3 3 72
10
A10 D4 RD4
11 9 17 8 8 71
A11 D5 RD5
5V
10 18 2 2 70
12
A12 D6 RD6
26 19 9 9 69
CE2 D7 RD7
20
28 68
VDD CE1 R CE
22 67
OE R OE
C300
0.1 14 27 65
GND WE R WE
C301
22
16V
:TA-C
IC301(7/9) IC301(6/9)
SN74HCT244APW SN74HCT244APW
R300 -E05 -E05
100
15 5
42-30 CHAR VD
13 7
42-28 CHAR HD
R301
100
IC303(2/4)
R302 SN74HC86APW-E05
100
11 9
42-24 CHAR CK(X)
1
IC301(8/9) 3
42-26 CHAR CK(G) 2
SN74HCT244APW
-E05
5V
14
4
IC303(4/4)
5
SN74HC86APW-E05
4-124
C
SY-272 (3/4)
5V
R319
100k
IC307(3/9)
R318 R320
SN74HC244APW
100k 100k
12
SCK
13
SCMD
11
SRES
10
SRDY
14
STRB
9
SWE
5V
2 4 6 8
RB302
47kx4
1 3 5 7
23
MCS0
22
MCS1
21
MCS2
20
MCS3
19
MCS4
18
MCS5
17
MCS6
16
MCS7
5V MB90061-111
38
VCC
C305
22 C307
16V 0.1
19
:TA-C
VSS
7 R307 100
PO0 L:R/P ON 42-6
6 R308 100
5V
PO1 L:PB HEAD ON 42-3
R309 100
5
PO2 H:VIDEO EE 42-38 9
4 AVCC
C306
PO3
22 C308
3
16V 0.1
PO4 L:SY JIG EN 4P 2
:TA-C
2 AVSS
PO5 L:SY JIG REG 4P
1
PO6 37
5V 5V
RESET
100
R332
PO7
100k
R333
100k
33
R310 R335
CS
100k 100k
R334
99 100k
PI0 34
SIN
98
PI1 L:SY JIG CD 4P
97
PI2 H:SY JIG WP 4P 35
96 SCLK
PI3 H:SY JIG BVD 4P
95
PI4
R327
94
100k
PI5
R336 0
93
PI6
92
PI7
R340
0
29 27
HD EXHSYN
30
VD
28
HVCLK
25
HSNC
26 36
VSNC EXVSYN
27
VSLN
31 28
SPI HSYNC
32 29
SPO VSYNC
5V
23
CB
33 17
TEST XD
15 30
XS
GND
24
GND
66
GND
8
INT
5V
525
X300
4
14.3MIR
L:625 1
3P 60/50 IN OUT
GND
R311
47k
2
IC305
TC7SH04FU
5V
625
R304 5V
,NM
X301
4
R305
,NM
17.7 MIR
5
2 4 1
IN OUT
3
GND
C304
0.1 C311
2
0.1
R306
0
6
7
4-124
D E
IC307(4/9) IC307(5/9) IC307(6/9)
SN74HC244APW SN74HC244APW SN74HC244APW
-E05 -E05 -E05 -E05 RB301
22x4
6 14 1 2
SIF1 CK
8 12 3 4
SIF1 CMD
3 17 5 6
SIF1 RES
5 15 7 8
SIF1 RDY
SIF1 KY2
SIF1 OPCS
IC306
10
VIN1
1
VIN2
IC310(1/5)
3 SN74HC08APW-E05
5V
VIN3
6
CLVL
4 R316
BLVL
150
7
PLVL
1
12 R317
CRLH 3 11
,NM
11 2
CRLL
4
6 13
5
15
CTL1
16
5V
CTL2 RB304
47kx4 IC308(2/5)
8 SN74HC32APW
VOM1 IC309(1/3)
-E05
IC308(1/5)
5 SN74HC174APW
VOM2
7 5 3 1 SN74HC32APW -E05 IC310(2/5)
-E05 SN74HC08APW-E05
IC308(3/5)
SN74HC32APW
-E05
IC303(1/4)
8 6 4 2
SN74HC86APW-E05
20 13
PORT1 11 13
4 5
21 12 D1 Q1 11
PORT2 12
22
PORT3
5V
1
3
3 2
2 D2 Q2
R314 R315
47k 47k
14 IC303(3/4)
VOC
SN74HC86APW-E05
13 4
VOB 6 9
6 7
D3 Q3 8
24 5
R 10
25
G
9
26
B
32
BUSY
31
EX4FSC
18
EX
C309
0.1
3
C310
0.1
GND GUARD
3
F G
42-9
42-17
42-19
42-11
42-13
42-15
R322
100
10
D4 Q4 CHAR SIG D OUT(X) 41-74
R323
100
12
D5 Q5 CHAR FRAME D OUT(X) 41-76
IC309(2/3)
SN74HC174APW
-E05
IC310(3/5)
SN74HC08APW-E05
R324
12
100
11
13 CHAR SIG A OUT(X) 41-70
CHAR SIG A OUT(G) 41-72
IC310(4/5)
SN74HC08APW-E05
R325
10
100
8
9 CHAR FRAME A OUT(X) 41-80
CHAR FRAME A OUT(G) 41-78
BVW-55
H