Sony BVW-55 Maintenance Manual page 754

1
2
3
4
5
A B
KY-446 (2/2)
5V-3 5V-2
L100
4.7µ
1-1 REG +5V
C105
1-2 REG +5V
33
16V
:TA-C
1-14 GND
1-15 GND -2
100-1 GND
100-2 TXD
100-3 RXD
5V-2
100-4 RES
100-5 VIN
100-6 VPP
100-7 MD
100-8 CONT
5V-2
-2 TP101 TP103
IC101(4/9)
R108 TC74VHC541FT
100
14 6
1-6 KY TX
4 16
1-5 KY RX
R109
IC101(2/9)
100
8V TC74VHC541FT
1-12 REG +8V
C136
0.1
1-13 AUDIO GND
5V-2 5V-2
R110 R111
IC101(3/9)
100k 100k
TC74VHC541FT
R113 100
15
1-3 KEY RX
R114 100
3
1-4 KEY TX
7
1-7 PB VD
R288 100
5-1 TEST
5-2 GND
-2
5V-2
5V-2 R117 5V-2
4.7k
C110
0.1 SL100
,NM 5V-2
E100
-2
5 7 8 6
R119
100k
-2
1
IC103
MB3793
3 2 4
C112
0.22
35V
:TA-C
-2
C113 C114
0.1 0.1
RV100 RV101 RV102
5k 5k
VIDEO LEVEL CHROMA PH. CHROMA LEVEL
R122 R123
100k 100k
9 6 3 9 6 3
R289 R290
A A A A A
100 100
C C 2 C C 2 C
B B B B B
7 8 4 5 1 7 8 4 5 1 7
-2 -2
R129 C102 R130 C108
1k 0.1 1k 0.1
IC113(1/4)
1/2 VR SEL
TC74HC4053AFT
1
13
15
2
1
1/2 AU REC CH1
12
2
1/2 AU REC CH2 10 11
3
1/2 AU REC CH3
4
1/2
AU REC CH4
D106 D108
IC100(1/4) IC100(2/4)
SB01-05CP D107 SB01-05CP D109
SB01-05CP SB01-05CP NJM3403AM NJM3403AM
D102
SB01-05CP
3 5
1/2 AVCC 1
2 6
1/2 AU PB CH4
R136
100
1/2 AU PB CH3
1/2 AU PB CH2
1/2
AU PB CH1
R142 C109
100k 0.1
C100 C103 C106 C107
0.1 0.1 0.1 0.1
4-60
C D
KY-446 (2/2)
5V-2
D100
DAN202U
R100
12k
IC104 5V-2 5V-2
TC4W66FU
R104 R105 8 R102 R103
100k 100k 100 100 5V-2
1 2
R106 1
R107
100k 100k
5 6 5
6
4 3 7 4
-2
7
3
8
2
9
5V-2
RB103
100kx8
R112
100k
5
IC101(5/9)
TC74VHC541FT
17
IC101(1/9)
TC74VHC541FT
13
≠≠ ≠ WR
5V-2
RD ≠≠ ≠
5V-2
C111 RB101
R116 0.1 33kx4
12k
1 2
-2
5
1 3 4
4
2 5 6
7 8
3
-2 5V-2
7 8
IC102
TC7SH08FU
5 6
3 4
1 2
RB102
33kx4 5V-2 R120
,NM
-2
D101
SB01-05CP
R121
RV103
12k
5k 5k
5V-2
SET UP
C120
1
-2 35V -2 C121
:TA-C 0.1
R124 R125
100k 100k
9 6 3 9 6 3 R126
12k
R291 R292 5V-2 -2
A A A
100 100 R127
C 2 C C 2
12k
B B B
R128
8 4 5 1 7 8 4 5 1
33k
-2 -2
R133
33k
R131 R132 C118
1k C116 1k 0.1
0.1
IC113(2/4) IC114(1/4) IC114(2/4)
TC74HC4053AFT TC74HC4053AFT TC74HC4053AFT
1
13
14 15 14
2
12
10 11
IC100(4/4)
NJM3403AM
8V
IC100(3/4)
C101
NJM3403AM 0.1
D103 D104 D105
SB01-05CP SB01-05CP SB01-05CP
12 10
4
7 14 8
13 9
R137 R138 R139
100 100 11 100
R143 C115 R144 C117 R145 C119
100k 0.1 100k 0.1 100k 0.1
4-60
E
5V-2
IC107
5V-2 C123
0.1 R115 LC35256DM-10
0 -TLM
C122 R101 C126 28
10 0 0.1
16V -2 -2
:TA-C
10 VCC
A0
A0
9
A1
A1
A2 8
A2
7
A3
9 56 A19 A3
PB7 A19 6
A4
8 55 A4
A18
PB6 A18 A5 5
7 54 A5
A17
PB5 A17 4
A6
6 53
PB4 A16 A6
PB4 A16 3
A7
5 36 A7
PB3 A0
PB3 A0 25
A8
PB2 4 37 A1 A8
PB2 A1 24
A9
3 38 A9
PB1 A2
PB1 A2 A10 21
2 39 A10
PB0 A3
PB0 A3 23
A11
40 A4 A11
A4 2
A12
41 A12
A5
17 A5 A13 26
SCK1 42 A13
A6
15 A6 1
A14
RXD1 43 A7 A14
13 A7
TXD1 45
A8
12 IC105 A8 20
TXD0 46 CE
HD64F3048F16 A9
A9 GND
47
A10
14 A10 14
RXD0 48
A11
16 A11
-2
SCK0 49 A12
A12
50
A13
A13
51
A14
A14
52 A15
A15
63 27
D8
RES D8
28 D9
61 D9
Ø 29
D10
72 D10
LWR 30
D11
71 D11
HWR 31
D12
70 D12
RD 32
D13
69 D13
AS 33 D14
60 D14
P62 34
D15
59 D15
P61
58
P60
18
SUBDATA
91 P40
CS0 19
SUBCK
90 P41
CS1 20 SUBRS
89 P42
RB105
IRQ2 21
SUBCS 100kx8
88 P43
IRQ1 23
P44
87 P44
IR0 24
P45
P45
25
SCL 5V-2
P46
PLAYER 26 SDA
P47
1
RB104
33kx8
93
PA0
PA0
94
PA1
10 PA1
VPP 95 PA2
PA2
96
PA3
PA3
97 PA4
PA4
98
PA5
75 PA5
MD2 99
PA6
74 PA6
MD1 100 PA7
73 PA7
MD0
64
NMI
78
AN0
AN0
79
AN1
AN1
80 AN2
62 AN2
STBI 81
AN3
AN3
82 AN4
AN4
83
AN5
AN5
84
AN6
AN6
RB106
85 AN7
100kx8
AN7
IC106(1/3)
TC74VHC139FT
R134
0
2
A15
1A0
3
1A1
-2
1
CS0
R140
0
14
A12
2A0
13
A13
2A1
X100 R146
16M 0
15
C124 C125 -2
CS1
22p 22p
R180
R148 0
-2 330 -2
IC106(2/3)
TC74VHC139FT
F G
C127
0.1
11
D8
D0
12
D9
D1
13 D10
D2
15
D11
D3
16
D12
D4
17 D13
D5
18
D14
D6
19
D15
D7
22
RD ≠≠ ≠
OE
27 WR ≠≠ ≠
WE
1
-2
IC108
X24164SIT1
5V-2
C128
0.1
1 8
A0 VCC
-2
2 7
A1 CE
3 6
SCL
A2 SCL
4 5 SDA
VSS SDA
-2 -2
1 1
-2
RB107 RB108
100kx8 100kx4
4 R135 0
Y0A
5
Y1A
6
Y2A
7
Y3A
R141 0
12
Y0B
11
Y1B
10
R147 0
Y2B
9
Y3B
BVW-55
H