Troubleshooting - Teac AG20D User Manual

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
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
Probable Cause
Incorrect speaker connections.
The power cable of a fluorescent
light is installed near this product or
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
20
Suggestion
Check and reconnect the speakers
to the correct output on the
AVR-618 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 6
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