Yamaha RX-V661 User Manual
Page 102
98
En
Troubleshooting
Problem
Cause
Remedy
See
page
No sound is heard
from the subwoofer.
“LFE/BASS OUT” in “SET MENU” is
set to “FRONT” when a Dolby Digital or
DTS signal is being played.
Set “LFE/BASS OUT” to “SWFR” or “BOTH”.
“LFE/BASS OUT” in “SET MENU” is
set to “SWFR” or “FRONT” when a 2-
channel source is being played.
Set “LFE/BASS OUT” to “BOTH”.
The source does not contain low-
frequency signals.
Dolby Digital or DTS
sources cannot be
played. (Dolby Digital
or DTS indicator in
the front panel
display does not light
up.)
The connected component is not set to
output Dolby Digital or DTS digital
signals.
Make an appropriate setting following the operating
instructions for your component.
—
Audio input jack select is set to
“ANALOG”.
Set Audio input jack select to “AUTO”.
A humming sound is
heard.
Incorrect cable connections.
Connect the audio cables firmly. If the problem
persists, the cables may be defective.
—
No connection from the turntable to the
GND terminal.
Connect the grounding cable of your turntable to the
GND terminal of this unit.
The volume level is
low while a record is
being played.
The record is being played on a turntable
with an MC cartridge.
Connect your turntable to this unit through an MC-
head amplifier.
The volume level
cannot be increased,
or the sound is
distorted.
The component connected to the AUDIO
OUT (REC) jacks of this unit is turned
off.
Turn on the power of the component.
—
The sound effects
cannot be recorded.
It is not possible to record the sound
effects with a recording component.
A source cannot be
recorded by a digital
recording component
connected to the
DIGITAL OUTPUT
jack.
The source component is not connected to
the DIGITAL INPUT jacks of this unit.
Connect the source component to the DIGITAL
INPUT jacks.
Some components cannot record Dolby
Digital or DTS sources.
A source cannot be
recorded by an
analog component
connected to the
AUDIO OUT (REC)
jacks.
The source component is not connected to
the analog AUDIO IN jacks of this unit.
Connect the source component to the analog AUDIO
IN jacks.
The sound field
parameters and some
other settings of this
unit cannot be
changed.
“MEMORY GUARD” in “SET MENU”
is set to “ON”.
Set “MEMORY GUARD” to “OFF”.
This unit does not
operate properly.
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.
Disconnect the power cable from the AC wall outlet
and then plug it in again after about 30 seconds.
—
No sound is heard
from the connected
HDMI component.
The HDMI component does not accept the
multi-channel audio signals.
Convert the multi-channel audio signals to the 2-
channel audio signals at the source component such
as a DVD player.
—