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A
B
C
RX-V471/HTR-4064
OPERATION 2/2
1
2
3
4
D4 VIDEO
5
6
7
OPERATION (8)
J model
8
9
10
98
D
E
F
IC461
IC461
IC461
Page 101
D4
to VIDEO (1)_CB301
IC461: TC74HC4053AF
Analog multiplexer/demultiplexer
INHIBIT
VCC
6
16
INPUT STATES
A
11
"ON" CHANNEL (S)
LEVEL
BINARY TO 1-OF-8
INHIBIT
C
B
A
B
10
CONVERTER
DECODER WITH INHIBIT
0
0
0
0
0X, 0Y, 0Z
C
9
0
0
0
1
1X, 0Y, 0Z
8
GND
0
0
1
0
0X, 1Y, 0Z
VEE
7
0
0
1
1
1X, 1Y, 0Z
12
SW
0X
14
X-COM
0
1
0
0
0X, 0Y, 1Z
13
SW
1X
0
1
0
1
1X, 0Y, 1Z
2
SW
0Y
0
1
1
0
0X, 1Y, 1Z
Y-COM
15
0
1
1
1
1X, 1Y, 1Z
1Y
1
SW
1
X
X
X
NONE
0Z
5
SW
Z-COM
4
3
SW
G
H
I
JK481
IC481
IC481
J
K
L
VOLTAGE
SELECTOR
W4501A
W4502A
W4503A
CB492
CB493
W4504A
OPERATION (10)
R, S models
Page 103
to VIDEO (3)_CB374
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced
●
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
with parts having specifications equal to those originally installed.
パーツリストに記載されている部品を使用してください。
★ Schematic diagram is subject to change without notice.
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
M
N
to POWER
TRANSFORMER
W4501B
W4502B
W4503B
W4504B
W4505B
W4505A
OPERATION (11)
R, S models
D2
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