Sansui 2000X - General Troubleshooting Chart

GENERAL
TROUBLESHOOTING
CHART
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If the amplifier is otherwise operating satisfactorily, the
more common causes of trouble may generally be at-
tributed to the following:
1. Incorrect connections or loose terminal contacts. Check
the speakers, record player, tape recorder, antenna and
line cord.
2. Improper operation. Before operating any audio com-
C
ponent,
be
sure
to
read
the
manufacturer’s
instructions.
3.
Improper
location
of
audio
components.
The
proper
positioning
of
components,
such
as
speakers
and
turn-
table,
is
vital
to
stereo.
4. Defective audio components.
The following are some other common causes of mal-
function and what to do about them:
7
PROGRAM
SYMPTOM
PROBABLE
CAUSE
WHAT
TO
DO
AM,FM
or
MPX|
A.
Constant
or
intermit-
|
*
Discharge
or
oscillation
*
Attach
a
noise
limiter
to
the
electri-
reception
tent
noise
heard
at
caused
by
electrical
appli-
cal
appliance
causing
the
noise,
or
times
or
in
a
certain
ances,
such.
as
fluorescent
attach
it
to
the
amplifier’s
power
area
lamp,
TV
set,
D.C.
motor,
source
.
rectifier
or
oscillator
*
Install
an
outdoor
antenna
and
C
)
*
Natural
phenomena,
such
as
ground
the
amplifier
to
raise
the
we
atmospherics,
statics
or
signal-to-noise
ratio.
a
a
thunderbolts
*
Reverse
the
power
cord
plug-
*
Insufficient
antenna
input
receptacle
connections
due
to
ferroconcrete
wall!
x
If
.
:
:
the
noise
occurs
at
a
certain
or
done
distance
from
the
frequency,
attach
a
wave
trap
to
the
ANT.
input
i
F
Me)
ee
*
Keep
the
set
at
a
proper
distance
pp
from
other
electrical
appliances
B.
The
needle
of
the}
*
Receiver
is
located
in
a|
*
Place
the
set
to
receive
maximum
\
tuning
meter
does
not
weak
signal
area
signal
strength
move
sharply
C.
The
zero
point
of
the
|
*
Regional
difference
in
field
|
*
The
unit
is
not
at
fault
meter
diverges
much
intensity.
AM
reception
A.
Noise
heard
at
a|
*
Due
to
the
nature
of
AM]
*
Install
the
antenna
for
maximum
particular
time
of
a
broadcasts
antenna
efficiency.
See
‘“ANTEN-
day,
in
a
certain
area
NA”’
in
the
operating
instructions
or
over
part
of
dial
*
In
some
cases,
the
noise
can
be
eliminated
by
grounding
the
ampli-
fg
fier
or
reversing
.the
power
cord
ML
plug-receptacle
connections
B.
High-frequency
noise
*
Adjacent-channel
interfer-
|
*
Although
such
noise
cannot
be
ence
or
beat
interference
eliminated
by
the
amplifier,
it
is
ie
Ty
-eatctad.
Cloke:
to.
audio
advisable
to
adjust
the
TREBLE
postenn
control
from
midpoint
to
left
and
y
switch
on
the
HIGH
FILTER
*
Keep
the
TV
set
at
a
proper
distance
4
from
the
audio
system
FM
reception
A.
Noisy
*
Poor
noise
limiter
effect
or
|
*
Install
the
antenna
(supplied)
for
too
low
SN
ratio
due
to
maximum
signal
strength
&
insuficrenbantentaaput
*
If
this
does
not
prove
effective,
use
an
outdoor
antenna
designed
Note:
FM
reception
is
affected
considerably
by
exclusively
for
FM.
When
you
use
transmission
conditions
of
stations:
power
and
a
TV
antenna
for
both
TV
and
FM
antenna
efficiency.
Asa
result,
you
may
receive
with
a
splitter,
make
sure
TV
recep-
one
station
quite
well
while
receiving
another
tion
is
not
affected
station
poorly
*
An
excessively
long
antenna
may
f
cause
noise
(
:
oe
a
SS
eee |