21
TROUBLESHOOTING
To determine any problem with your receiver, always check the most obvious possible causes first. If any problem still
remains after your having checked the items below, consult your nearest dealer.
Problem Probable
Cause
Suggestion
Amplifier
When listening to the music in stereo.
Left/right speakers reversed.
Speakers are connected wrong.
After checking, if needed, reconnect.
Low hum or buzz sound
Power cords or lighting placed near
this product.
Place this product as far as possible
from lighting or power leads
Sound is only heard from one channel One of the input cords is
disconnected. The BALANCE control
is set to one side.
Connect the input leads and
adjust 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 8 ohm
speakers.
Low bass response.
Speaker polarity (+/-) is reversed.
Check all speakers for correct polarity.
Tuner
An unusual hissing noise is heard
when listening to the broadcast in
stereo, but not heard when listening
monaurally.
A slight noise may be heard because
the method used for modulation of
FM stereo broadcasts in different than
that used for monaural broadcasts.
Try reducing the treble sound by
turning the treble controls.
Noise is excessive in both stereo and
monaural broadcasts.
Poor location and/or direction of the
antenna. Transmitted 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 as monaural sound)
Sound is distorted and/or the volume
level becomes low.
Broadcast signals are poor or poor
antenna placement
If an indoor antenna is being used,
change to an outdoor antenna
Excessive distortion in speaker output Poor reception area
Try using an antenna with more
elements.
Surround Effects: (Important) The center and rear speaker only operate with 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 and sound from the rear speakers.
SURROUND ON/OFF button is set to
OFF.
Set the button to the desired surround
mode position
Source being played is not recorded or
broadcast in surround sound or stereo.
Use surround or stereo source
No sound from the rear speakers
Cable not connected securely
Check all rear speaker wires for good
connection
No sound from the center speaker
SURROUND mode button is not set
to DOLBY DIGITAL, DTS or
DOLBY PRO LOGIC II.
Set the button to DOLBY DIGITAL,
DTS or DOLBY PRO LOGIC II.
Remote Control Unit
The batteries are exhausted.
Replace with new batteries.
Remote control not working
The remote control unit is too far from
the receiver or out of the effective
range.
Operate the Remote Control unit
within the effective range
