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TROUBLESHOOTING
To determine a problem with your AV Receiver, always check the most obvious possible causes first. If a problem still exists after having
checked the possible causes below, consult your nearest dealer.
Problem Probable Cause Suggestion
Amplifier
When listening to the music in stereo,
Left/Right speakers are reversed.
Incorrect speaker connections. Check and reconnect the speakers to the
correct output on the AVR-320 rear panel.
Low hum or buzzing sound The power cable of a fluorescent light is
installed near this product or the speaker
cables running over other power cables.
Place this product as far as possible from
electric devices which emit electrical
interference.
Sound is only heard from one channel One of the input cables is disconnected or
the BALANCE control is set incorrectly.
Connect the input cables securely
And check the BALANCE control.
Sound cuts off when listening to the music or
no sound even though power is ON.
Speaker impedance is less than prescribed
for this unit.
After turning off the power and then turning it
on again, reduce the volume or change to
the correct 4 ohm speakers.
Low bass response. Speaker polarity (+/-) is reversed. Check all speakers for correct polarity.
Tuner
A hissing noise is heard when listening to
the broadcast in stereo, but not heard when
listening in Mono.
White noise may be heard because the
method used for modulation of FM stereo
broadcasts which is different to that used for
monaural broadcasts.
Try reducing the treble sound by adjusting
the treble controls.
White noise is excessive in both stereo and
monaural broadcasts.
Poor location and/or direction of the antenna
or the transmitter station is too far away.
Set the FM mode to monaural by pressing
the STEREO/MONO button. (Note: that the
broadcast will then be heard in Mono).
Sound is distorted and/or the volume level is
low.
Broadcast signals are receiving interference. If an indoor antenna is being used, change
to an outdoor antenna
Excessive distortion in Stereo mode. Weak signal. Try using an antenna with more elements.
Surround Effects
(Important) The Centre and Rear speakers only operate when the unit is set to a Surround Sound mode and the source material
being played is recorded or broadcast in Dolby Digital, DTS or Dolby Pro Logic surround sound. Stereo broadcasts or recordings
will produce some rear channel effects when played in a surround mode. However, mono sources will not produce sound from the
rear speakers.
No sound from the rear speakers SURROUND ON/OFF button is set to OFF.
Source being played is not recorded or
broadcast in surround sound or stereo. One
or more of the rear speakers is not
connected properly.
Set SURROUND ON/OFF to the desired
surround sound mode. Use a surround or
stereo source. Check all rear speaker cables
for good connections.
No sound from the Centre speaker SURROUND mode is not set to DOLBY
DIGITAL, DTS or DOLBY PRO LOGIC.
Set the SURROUND mode to DOLBY
DIGITAL, DTS or DOLBY PRO LOGIC.
Remote Control Unit
Remote control not working The batteries are exhausted. The remote
control unit is too far from this unit or out of
the effective range
Replace with new batteries. Operate the
Remote Control unit within the effective
range