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2. Several
seconds
after power
switch
is turned
on
Base-emitter
voltage of Q722 rises
to 0.6V.
Q723
Q726
Q722 ON-¢>Q725 ON-~Q719
OFF-—~input
muting OFF
Q723
Q726
Q722 OFF-peQ725 OFF—»Q719
ON
(momentarily)—»input
muting ON
(momentarily)
B+ (40V)O
O
Q7i4
—{)
R732
bio
R745
i)
O
©
R73I
0707
whee
aL
a
"@
R734
ue
\K_/
0715
B-(-40V)
O
B-(-40V)
O B+ (40V)
{4
R79
Q723
fs A
—i5V
11
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