Sony WRR-802A, Руководство по обслуживанию, Страница: 36 / 64

4-6
WRR-802A (U)
IC
1
2
GND 3
5 V
DD
4
A A
Y =
2 4
Y
A
0
1
Y
1
0
0 : LOW LEVEL
1 : HIGH LEVEL
Y =
A
C-MOS INVERTER
—TOP VIEW—
0
0
0
0
0
0
0
0
1
CONTROL INPUTS
12
13
2
1
5
3
X0
X1
Y0
Y1
Z0
Z1
6
EN
X
Y
Z
14
15
4
7
V
EE
C
0
0
0
0
1
1
1
1
x
B
0
0
1
1
0
0
1
1
x
Y1
I/O
Y0
I/O
Z1
I/O
Z
I/O
Z0
I/O
EN
IN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Y
I/O
X
I/O
X1
I/O
X0
I/O
A
IN
B
IN
C
IN
GND
V
DD
V
EE
OPEN
A
11
OPEN
B
10
OPEN
C
9
A
0
1
0
1
0
1
0
1
x
SELECT
EN
ON CHANNEL
Z0
Z0
Z0
Z0
Z1
Z1
Z1
Z1
Y0
Y0
Y1
Y1
Y0
Y0
Y1
Y1
X0
X1
X0
X1
X0
X1
X0
X1
OPEN
0
1
x
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
C-MOS TRIPLE 2-CHANNEL ANALOG MULTIPLEXER/DEMULTIPLEXER
—TOP VIEW—
TC4S69F (TOSHIBA)
TC4S69F(TE85R)
TC74HC4053AFT(EL) (TOSHIBA)
UPC4574G2-E2 (NEC)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
EE
V
CC
QUAD OPERATIONAL AMPLIFIER
—TOP VIEW—
+ _ + _
+ _ + _