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Sansui TU-666 - Page 23

Sansui TU-666
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PROGRAM
FM
FM
stereo
SYMPTOM
A.
Noisy
PROBABLE
CAUSE
*
Poor
noise
limiter
effect
or
to
low
S/N
ratio
due
to
in-
sufficient
antenna
input
Note:
FM
reception
is
affected
considerably
by
the
condi-
tions
of
transmission
by
stations:
power
and
antenna
efficiency.
As
a
result,
you
may
receive
one
station
quite
well
while
having
difficulty
in
receiving
another
station.
WHAT
TO
DO
Install
the
antenna
(supplied)
for
maximum
signal
strength.
If
this
does
not
prove
effective,
use
an
outdoor
antenna
designed
exclu-
sively
for
FM.
When
you
use
a
TV
antenna
for
both
TV
and
FM
with
the
help
of
a
divider,
make
sure
the
TV
reception
is
not
affected.
Excessive
long
antenna
may
rather
cause
a
noise.
B.
A
series
of
pops
*
Ignition
noise
caused
by
the
starting
of
an
automobile
engine
Install
the
antenna
and
its
lead-in
wire
in
proper
distance
from
the
road
or
raise
the
antenna
input
as
described
above.
.
Distortion
or
no
sound
during
the
reception
*
Drift
of
tuning
resulted
from
the
nature
of
FM
Retune
the
signal
with
the
tuning
knob.
.
Tuning
noise
between
stations
.
Noise
heard
during
FM-MPX
_
reception
while
not
heard
during
FM
mono
reception
This
noise
results
from
the
nature
of
the
FM
reception.
As
the
station
signal
becomes
weak,
the
noise
limiter
effect
is
also
decreased.
The
amplifica-
tion
of
the
limiter,
in
turn,
is
enlarged
and
thus
a
big
noise
is
generated.
*
The
service
area
of
the
FM-MPX
broadcast
is
only
half
as
much
as
that
of
the
FM
mono
broadcast.
Turn
the
MUTING
switch
on.
Install
the
antenna
for
maximum
antenna
input.
Switch
on
the
NOISE
CANCELER.
.
Clearness
of
channel
separation
is
decreas-
ed
during
the
recep-
tion.
*
Excess
heat
Circulation
of
air
is
important
to
the
amplifier.
Make
sure
thit
air
can
flow
underneath.
.
The
stereo
indicator
goes
on
and
off.
*
Interference
The
indicator
is
not
at
fault.
Readjust
VRao1
.
.
The
stereo
indicator
goes
on
and
off
even
though
a
stereo
sta-
tion
is
not
received.
*
Interference
The
indicator
is
not
at
fault.
Readjust
VR.o1.
.
The
BALANCE
cont-
rol
of
the
amplifier
used
is
not
at
the
midpoint
when
equal
sound
comes
from
left
and
right
channels
*
The
BALANCE
control
should
not
be
always
set
to
the
midpoint
Set
the
control
to
the
position
y
here
equal
sound
comes
from
bothchan-
nels
Check
for
unequal
program
loid.ness
SV
*
Design
and
specifications
subject
to
change
without
ntice
for
improvements.
—
22-——

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