Yamaha RX-V661 Owner's Manual page 102

Troubleshooting
Problem
No sound is heard
from the subwoofer.
Dolby Digital or DTS
sources cannot be
played. (Dolby Digital
or DTS indicator in
the front panel
display does not light
up.)
A humming sound is
heard.
The volume level is
low while a record is
being played.
The volume level
cannot be increased,
or the sound is
distorted.
The sound effects
cannot be recorded.
A source cannot be
recorded by a digital
recording component
connected to the
DIGITAL OUTPUT
jack.
A source cannot be
recorded by an
analog component
connected to the
AUDIO OUT (REC)
jacks.
The sound field
parameters and some
other settings of this
unit cannot be
changed.
This unit does not
operate properly.
No sound is heard
from the connected
HDMI component.
98
En
Cause
"LFE/BASS OUT" in "SET MENU" is
set to "FRONT" when a Dolby Digital or
DTS signal is being played.
"LFE/BASS OUT" in "SET MENU" is
set to "SWFR" or "FRONT" when a 2-
channel source is being played.
The source does not contain low-
frequency signals.
The connected component is not set to
output Dolby Digital or DTS digital
signals.
Audio input jack select is set to
"ANALOG".
Incorrect cable connections.
No connection from the turntable to the
GND terminal.
The record is being played on a turntable
with an MC cartridge.
The component connected to the AUDIO
OUT (REC) jacks of this unit is turned
off.
It is not possible to record the sound
effects with a recording component.
The source component is not connected to
the DIGITAL INPUT jacks of this unit.
Some components cannot record Dolby
Digital or DTS sources.
The source component is not connected to
the analog AUDIO IN jacks of this unit.
"MEMORY GUARD" in "SET MENU"
is set to "ON".
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.
The HDMI component does not accept the
multi-channel audio signals.
Remedy
Set "LFE/BASS OUT" to "SWFR" or "BOTH".
Set "LFE/BASS OUT" to "BOTH".
Make an appropriate setting following the operating
instructions for your component.
Set Audio input jack select to "AUTO".
Connect the audio cables firmly. If the problem
persists, the cables may be defective.
Connect the grounding cable of your turntable to the
GND terminal of this unit.
Connect your turntable to this unit through an MC-
head amplifier.
Turn on the power of the component.
Connect the source component to the DIGITAL
INPUT jacks.
Connect the source component to the analog AUDIO
IN jacks.
Set "MEMORY GUARD" to "OFF".
Disconnect the power cable from the AC wall outlet
and then plug it in again after about 30 seconds.
Convert the multi-channel audio signals to the 2-
channel audio signals at the source component such
as a DVD player.
See
page
72
72
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39
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21
21
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19, 21
21
82
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