Troubleshooting - Eltax AVR-320 Instruction Manual

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
Amplifier
When listening to the music in stereo,
Left/Right speakers are reversed.
Low hum or buzzing sound
Sound is only heard from one channel
Sound cuts off when listening to the music or
no sound even though power is ON.
Low bass response.
Tuner
A hissing noise is heard when listening to
the broadcast in stereo, but not heard when
listening in Mono.
White noise is excessive in both stereo and
monaural broadcasts.
Sound is distorted and/or the volume level is
low.
Excessive distortion in Stereo mode.
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
No sound from the Centre speaker
Remote Control Unit
Remote control not working

TROUBLESHOOTING

Probable Cause
Incorrect speaker connections.
The power cable of a fluorescent light is
installed near this product or the speaker
cables running over other power cables.
One of the input cables is disconnected or
the BALANCE control is set incorrectly.
Speaker impedance is less than prescribed
for this unit.
Speaker polarity (+/-) is reversed.
White noise may be heard because the
method used for modulation of FM stereo
broadcasts which is different to that used for
monaural broadcasts.
Poor location and/or direction of the antenna
or the transmitter station is too far away.
Broadcast signals are receiving interference.
Weak signal.
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.
SURROUND mode is not set to DOLBY
DIGITAL, DTS or DOLBY PRO LOGIC.
The batteries are exhausted. The remote
control unit is too far from this unit or out of
the effective range
22
Suggestion
Check and reconnect the speakers to the
correct output on the AVR-320 rear panel.
Place this product as far as possible from
electric devices which emit electrical
interference.
Connect the input cables securely
And check the BALANCE control.
After turning off the power and then turning it
on again, reduce the volume or change to
the correct 4 ohm speakers.
Check all speakers for correct polarity.
Try reducing the treble sound by adjusting
the treble controls.
Set the FM mode to monaural by pressing
the STEREO/MONO button. (Note: that the
broadcast will then be heard in Mono).
If an indoor antenna is being used, change
to an outdoor antenna
Try using an antenna with more elements.
Set SURROUND ON/OFF to the desired
surround sound mode. Use a surround or
stereo source. Check all rear speaker cables
for good connections.
Set the SURROUND mode to DOLBY
DIGITAL, DTS or DOLBY PRO LOGIC.
Replace with new batteries. Operate the
Remote Control unit within the effective
range