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78
TROUBLESHOOTING
Problem
The sound suddenly
goes off.
Only the speaker on
one side can be
heard.
No sound from the
effect speakers.
No sound from the
center speaker.
No sound from the
rear speakers.
No sound from the
subwoofer.
Poor bass
reproduction.
Cause
The protection circuit has been activated
because of a short circuit, etc.
The sleep timer has functioned.
The sound is muted.
Incorrect cable connections.
Incorrect setting of “3 L/R BALANCE”
on the SET MENU.
The sound effect is off.
A Dolby Surround, Dolby Digital or
DTS decoding DSP program is being
used with material not encoded with
Dolby Surround, Dolby Digital or DTS.
A 96-kHz sampling digital signal is
being input to this unit.
The output level of the center speaker is
set to minimum.
“1A CENTER SP” on the SET MENU is
set to NONE.
One of the Hi-Fi DSP programs (1 to 6
except for Game and 6ch Stereo) has
been selected.
The source encoded with a Dolby Digital
or DTS signal does not have a center
channel signal.
The output level of the rear speakers is
set to minimum.
A monaural source is being played with
the program 11.
“1E LFE/BASS OUT” on the SET
MENU is set to MAIN when a Dolby
Digital or DTS signal is being played.
“1E LFE/BASS OUT” on the SET
MENU is set to SWFR or MAIN when a
2-channel source is being played.
The source does not contain low bass
signals (90 Hz and below).
“1E LFE/BASS OUT” on the SET
MENU is set to SWFR or BOTH and
your system does not include a
subwoofer.
The output mode for each speaker (main,
center, rear, or rear center) on the SET
MENU does not match your speaker
configuration.
Remedy
Check the IMPEDANCE SELECTOR switch is set
to the appropriate position and then turn this unit
back on.
Check the speaker wires are not touching each other
and then turn this unit back on.
Turn on the power, and play the source again.
Press MUTE or any operation buttons of this unit to
cancel a mute and adjust the volume.
Connect the cables properly. If the problem persists,
the cables may be defective.
Adjust it to the appropriate position.
Press STEREO/EFFECT to turn it on.
Select another DSP program.
Raise the level of the center speaker.
Select the appropriate mode for your center speaker.
Select another DSP program.
Raise the output level of the rear speakers.
Select another DSP program.
Select SWFR or BOTH.
Select BOTH.
Select MAIN.
Select the appropriate output mode for each speaker
based on the size of the speakers in your
configuration.
Refer
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