Yamaha RX-V665 Owner's Manual page 56

Troubleshooting
Problem
No sound is heard
from the surround
speakers.
No sound is heard
from the subwoofer.
No sound is heard
from the surround
back speakers.
The audio input
sources cannot be
played in the desired
digital audio signal
format.
Noise/hum noise is
heard.
"Memory Guard!" is
displayed and the
setting cannot be
changed.
54
En
Cause
This unit is in the "STRAIGHT" mode
and a monaural source is being played
back.
Sound may not be output from certain
channels depending on input sources or
sound field programs.
"LFE/Bass Out" of "A)Config" in
"Speaker Setup" of the setup menu
(Speaker Setup→2 Manual
Setup→A)Config) is set to "Front" when
a Dolby Digital or DTS signal is being
played.
"LFE/Bass Out" of "A)Config" in
"Speaker Setup" of the setup menu
(Speaker Setup→2 Manual
Setup→A)Config) is set to "SWFR" or
"Front" when a 2-channel source is being
played.
The source does not contain low
frequency signals.
"Extended Surround" in the OPTION
menu is set to "Off," or an input signal
does not contain a surround back flag with
"Extended Surround" set to "Auto."
The connected component is not set to
output the desired digital audio signals.
Incorrect cable connection.
No connection from the turntable to the
GND terminal.
A DTS-CD is being played back.
"Memory Guard" in "Setup Menu" is set
to "On."
Remedy
Press MSTRAIGHT or the kSTRAIGHT on the
remote control to turn off the "STRAIGHT" mode.
Try another sound field program.
Set "LFE/Bass Out" to "SWFR" or "Both."
Set "LFE/Bass Out" to "Both."
Set "Extended Surround" other than "Off" or "Auto."
Set the playback component properly referring to its
operating instructions.
Connect the audio cables properly. If the problem
persists, the cables may be defective.
Connect the grounding cable of the turntable to the
GND terminal of this unit.
1) When only noise is output
If a DTS bitstream signal is not properly input to this
unit, only noise is output. Connect the playback
component to this unit by digital connection and play
back the DTS-CD. If the condition is not improved,
the problem may results from the playback
component. Consult the manufacturer of the playback
component.
2) When noise is output during playback or skip
operation
Before playing back the DTS-CD, display the option
menu after selecting the input source and set
"Decoder Mode" to "DTS."
Set "Memory Guard" to "Off."
See
page
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43
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15, 34
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