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TROUBLESHOOTING
68
Problem
No sound from the
center speaker.
No sound from the
rear speakers.
No sound from the
subwoofer.
Poor bass
reproduction.
A “humming” sound
can be heard.
The volume level
cannot be increased,
or the sound is
distorted.
The sound effect
cannot be recorded.
A source cannot be
recorded by a digital
recording
component
connected to the
digital output jack of
this unit.
This unit does not
operate properly.
There is noise
interference from
digital or high-
frequency equipment,
or this unit.
Cause
The output level of the center speaker is set to
minimum.
“1A CENTER” on the SET MENU is set to
NON.
One of the Hi-Fi DSP programs (1 to 4) has
been selected (except for 5ch Stereo).
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
program 9.
“1D BASS” on the SET MENU is set to
FRONT when a Dolby Digital or DTS signal
is being played.
“1D BASS” on the SET MENU is set to
SWFR or FRONT when a 2-channel source is
being played.
The source does not contain low bass signals
(90 Hz and below).
The speaker mode settings (front, center, or
rear) on the SET MENU do not match your
speaker configuration.
Incorrect cable connections.
The component connected to the OUT (Rec)
jacks of this unit is turned off.
It is not possible to record the sound effect by
a recording component.
A source component is not connected to the
digital input jacks of this unit.
The internal microcomputer has been frozen
by an external electric shock (such as
lightning or excessive static electricity) or by
a power supply with low voltage.
This unit is too close to the digital or high-
frequency equipment.
Remedy
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 the appropriate position for each speaker
based on the size of the speakers in your
configuration.
Firmly connect the audio plugs. If the problem
persists, the cables may be defective.
Turn on the power to the component.
Connect the source component to the digital
input jacks of this unit.
Disconnect the AC power cord from the outlet
and then plug it in again after about 30 seconds.
Move this unit further away from such
equipment.
Refer
to page
64
60
23 – 24
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64
23 – 24
61
61
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60 – 61
14 – 15
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14 – 15
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111_S100_67-75_EN 02.5.13, 1:36 PM68