Fisher CA-77 - Page 9

IC
EQUIVALENT
CIRCUIT
&
BLOCK
DIAGRAM
UNCTION ANALOG SWITCH IC LC7815
COM2 A2_ B2 C2. =i? TMout TMCTL Aout BouT CouT DoutT MUTE
MUTING
CONTROL
TIMER
[_mrvremasumecner ee
V
LN
E Y,
i
©
/
K
©
B1
COM1 Al
APE INPUT ANALOG SWITCH IC LC4066B
SW. D SW. C
CONT CONT 1 | ]
VDD
A
B
IN/OUT
OUT/IN
OUT/IN
IN/OUT
IN/OUT OUT/IN OUT/ININ/OUT CONT CONT Vss
JE Ft B Cc
sw. A SW.B