Sony WRR-801A, Service Manual

Page: 37 / 62

4-3 WRR-801/801A
WRU-801/801A
IC
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
0
1
X
; LOW LEVEL
; HIGH LEVEL
; DON'T CARE
V
EE
* ; V
DD
_ V
EE
= + 3V to + 12V
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
( + 2V to + 6V)
V
EE
*
OPEN
A
11
OPEN
B
10
OPEN
C
9
V
EE
< GND
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
C-MOS TRIPLE 2-CHANNEL ANALOG MULTIPLEXER/DEMULTIPLEXER
—TOP VIEW—
8
1 2 3
7 6 5
4
GND
V
DD
( + 1.5 to + 7V)
+
_
_
+
C-MOS DUAL OPERATIONAL AMPLIFIER
—TOP VIEW—
V
CC
_ V
EE
< 36V
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
EE
V
CC
QUAD OPERATIONAL AMPLIFIER
—TOP VIEW—
+ _ + _
+ _ + _
TC74HC4053AFS (TOSHIBA)FLAT PACKAGE
TC74HC4053AFS-EL
TC75W51FU-TE12R (TOSHIBA)
UPC4574G2 (NEC)
UPC4574G2-T1