Troubleshooting
Guide
Before requesting
service
for this
unit,
check
the
chart below for
a
possible cause of the
problem you are experiencing.
Some simple
checks or
a
minor adjustment on your
part may
eliminate
the
problem and restore proper operation.
If you are
in
doubt about
some of
the
check
points,
or if the
remedies indicated in the
chart do
not solve the
problem,
refer to the
directory of
Authorized Service
Centers
(enclosed
with this
unit)
to locate
a convenient service center, or consult
your dealer for
instructions.
Problem
Probable
cause(s)
Suggested
remedy
Problems common
to
all
systems
There is no
sound when the
power is ON and
no bar
appears on the volume
level display.
Volume is
set too
low.
Adjust the volume
level
with
the volume
control on
the
amplifier.
The location of the various
musical instruments
Is not
well defined.
The
(+)
and
(-) connections
to one of
the
speakers are reversed.
Connect
the speaker cord
correctly.
The left and right sounds
are
reversed.
The left
and right connections
to the
speaker
are
reversed.
Connect
the speaker cord
correctly.
Only
one speaker
is
emitting sound.
One
of the wires of the
speaker cord
is
disconnected.
Connect the speaker
cord
correctly.
There
is no
sound when
a
source
is
being played.
The
(+)
and
{-) wires of the
speaker cords
are
shorted.
Switch the
system to the
standby
mode, reconnect
the speaker
cords
so that they
are not shorted.
Then switch on
the
power.
There is a low-frequency
hum
when a
source is
being
played.
A power
cord or
a
fluorescent
light is
located near
a connecting
cord.
Keep electrical
appliances
well away from
the
connecting cords.
The ERROR indicator
appears
on
the display for
about 1 second.
The
wrong operation
has just taken
place.
Perform the
correct operation
of the present
step
again.
While listening
to FM
broadcasts
There is a "rushing"
noise
during a stereo
broadcast
which
Is
not
audible during
a
monaural
broadcast.
Noise is more likely
to
appear on a stereo signal
than on a monaural
signal.
•If
you are using
an indoor
antenna, change
to an
outdoor
antenna.
• If
you are using
a special
outdoor antenna, try
changing
the installation
location, height,
and
orientation.
•Try switching
off the
television or VCR.
• Press
the FM mode
button to
change the reception
from
stereo to monaural
mode.
You hear excessive
noise
during
a stereo broadcast,
and
occasionally the
sound
disappears.
The stereo
indicator
of the
tuner flickers
and does
not
light completely.
The installation
location and orientation
of the
antenna are
unsuitable.
The transmitting
station is
a long distance
away.
The
sound
during a stereo
broadcast
Is highly
distorted.
There is a building or
mountain nearby. [Distortion
is
caused by interference
between the signal
from
the
transmitting station (direct
wave) and the
signal reflected
from the building or
mountain
(reflected wave).]
While
listening
to
LW/MW
broadcasts
You
hear
an unusual
beat
sound.
You are using
the system at the same time
you
are playing
a TV set.
Switch off the
TV set, or
use
the
system farther away
from it.
You
hear
a low-frequency
hum.
The antenna wire is near
the power cord.
Separate the antenna
wire from the power
cord.
Ik
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