Sony WRR-802A Service Manual page 36

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

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