Sony WRR-801A Service Manual page 37

TC74HC4053AFS (TOSHIBA)FLAT PACKAGE
TC74HC4053AFS-EL
C-MOS TRIPLE 2-CHANNEL ANALOG MULTIPLEXER/DEMULTIPLEXER
—TOP VIEW—
12 X0
V
DD
Y1 1 16
I/O
13 X1
(+2V to +6V)
OPEN
11 A
Y0 2 15 Y
I/O I/O
2
Y0
Z1 3 14 X
I/O I/O
1 Y1
OPEN
10 B
Z 4 13 X1
I/O I/O
5 Z0
Z0 5 12 X0
I/O I/O
3
Z1
OPEN
9 C
EN 6 11 A
IN IN
7 10 B
V * IN
EE
8 GND 9 C
IN
V *; V _ V = +3V to +12V
EE DD EE
V < GND
EE
CONTROL INPUTS
SELECT ON CHANNEL
EN
C B A
0 0 0 0 Z0 Y0 X0
0 0 0 1 Z0 Y0 X1
0 0 1 0 Z0 Y1 X0
0 0 1 1 Z0 Y1 X1
0 1 0 0 Z1 Y0 X0
0 1 0 1 Z1 Y0 X1
0 1 1 0 Z1 Y1 X0
0 ; LOW LEVEL
0 1 1 1 Z1 Y1 X1
1 ; HIGH LEVEL
1 X X X
OPEN
X ; DON'T CARE
TC75W51FU-TE12R (TOSHIBA)
C-MOS DUAL OPERATIONAL AMPLIFIER
—TOP VIEW—
8 7 6 5
V
DD
(+1.5 to +7V)
_
+
+
_
GND
1 2 3 4
UPC4574G2 (NEC)
UPC4574G2-T1
QUAD OPERATIONAL AMPLIFIER
—TOP VIEW—
1 14
2 13
_ + + _
3 12
4 V V 11
CC EE
5 10
_ + + _
6 9
7 8
V _ V < 36V
CC EE
WRR-801/801A
WRU-801/801A
X 14
Y 15
4
Z
EN V
EE
6 7
IC
4-3