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Troubleshooting
To determine any problem with your receiver, always check the most
obvious possible causes fi rst. If any problem still remains after you have
checked the items below, consult your local RadioShack Store.
Problem Probable Cause Remedy
Amplifi er
When listening to the
music, the left and right
speakers sound reversed.
Speakers are connected
wrong.
After checking, if needed,
reconnect.
Low hum or buzzer
sound.
Power line or fl uorescent
light is installed near this
receiver.
Place this product as far
away as possible from
electric devices which
cause interference.
You can only hear sound
from one channel.
One of the input cords is
disconnected.
Connect the input cords
securely.
Sound cuts off , or you
don’t hear any sound
even though power is on.
Speaker impedance is
less than prescribed for
this unit.
Turn the receiver off and
then on again, reduce
the volume or change to
6-Ohm speakers.
No sound. Muting is on.
Adjust the volume or
press MUTE.
Low bass response.
Speaker polarity (+ and -)
is reversed.
Check all speakers for
correct polarity.
Sound is low.
The receiver is heating
up due to ventilation
problem.
Use the receiver with well
ventilated condition.