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Sony BVU-950 - Page 87

Sony BVU-950
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BVU-950/920
Answer
Key
Page
6.
33).
34).
35).
36).
37).
38).
39).
40).
What
is
the
frequency
of
capstan
FG?
454.23
What
is
the
function
of
the
circuit
of
IC-503;
504
and
Q-505
of
the
SV-88
board?
Detects
the
polarity
of
the
capstan
motor
drive
and
always
keeps
it
positive.
This
is
important
for
the
operation
of
the
BSL
motor.
When
recording
audio
in
Dolby
mode
what
is
recorded
on
tape
other
than
audio
signals
and
what
is
its
frequency?
Dolby
pilot
tone
of
15hz
How
can
the
answer
of
Question
#35
be
detected
without
being
confused
with
other
signals?
it
is
a
15hz
signal
in
phase
with
CTL.
What
components
are
responsible
for
detecting
the
answer
of
Question
#35.
IC's
4,5,6,
and
7
of
the
AU-85
board.
How
do
you
control
the
character
inserter
of
IC-1
on
the
MD-44
From
the
dial
menu.
What
are
the
circuits
located
around
TP-1,
TP-2
and
TP-3
of
the
MD-44
board
and
why
are
they
necessary?
Delay
circuits
to
obtain
OH,
1H
and
2H
delayed
video
signals
for
the
vertical
correlator.
What
would
a
possible
symptom
be
if
the
circuit
of
Question
#39
was
defective
or
misaligned?
Vector
“donuts”
and
ringing

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