Fisher CA-272 - Page 8

IC
EQUIVALENT
CIRCUIT
&
BLOCK
DIAGRAM
FUNCTION ANALOG SWITCHIC LC 7815H
COM2
A2
82
C2.
O02
TMOuT
TMCTL
Aout
Bout
Cout
Ddout
MUTE
et fe fe
9 A Cc
vss © ep
es) Leal leche wilson
aqme
mee
ped
Ls
als
ole
als
A
|
wurne
28
E
LS
O
c
- a
aL a
L\é\ L\
©)
B1 1
CIRCUIT
E INPUT CONTROLLING CIRCUIT
A \/ VV
mi Ae lle Ses laa! a
© © © eee Re © ©
COM! Al D1 TMIN- AIN BIN CIN DiN RESET MUTEIN CR
TAPE INPUT ANALOG SWITCHIC LC 4066B
sw. D0 SW. C
CONT CONT [FOO
VoD A B IN/OUT OUT/IN OUT/IN IN/OUT
IN/OUT
OUT/IN
OUT/ININ/OUT
CONT
CONT
Vss
a
a
es
ee
ed
B
c
SW.
A
Sw.
B