Yamaha RX-V663 User Manual

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111
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Troubleshooting
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DITIONAL 
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Only the center 
speaker outputs 
substantial sound.
When playing a monaural source with a 
sound field program, the source signal is 
directed to the center channel, and the front 
and surround speakers output effect 
sounds.
No sound is heard 
from the center 
speaker.
“CENTER SP” in “SET MENU” is set to 
“NONE”.
Set “CENTER SP” to “SMALL” or “LARGE”.
One of the sound field programs (except 
for “7ch Stereo”) has been selected.
Try another sound field program.
No sound is heard 
from the presence 
speakers.
The sound field programs are turned off.
Press OSTRAIGHT to turn them on.
You are using a source or program 
combination that does not output sound 
from all channels.
Try another sound field program.
“EXTRA SP ASSIGN” is set to a setting 
other than “PRESENCE”.
Set “EXTRA SP ASSIGN” to “PRESENCE”.
No sound is heard 
from the surround 
speakers.
“SUR. L/R SP” in “SET MENU” is set to 
“NONE”.
Set “SUR. L/R SP” to “SML” or “LRG”.
This unit is in the “STRAIGHT” mode and 
a monaural source is being played back.
Press OSTRAIGHT on the front panel so that 
“STRAIGHT” disappears from the front panel display.
No sound is heard 
from the surround 
back speakers.
“SUR. L/R SP” in “SET MENU” is set to 
“NONE” and “SUR.B L/R SP” is 
automatically set to “NONE”.
Set “SUR. L/R SP” and “SUR.B L/R SP” to a setting 
other than “NONE”.
“SUR.B L/R SP” in “SET MENU” is set to 
“NONE”.
Set “SUR.B L/R SP” to a setting other than “NONE”.
Zone 2 speaker 
settings are not 
available in “SET 
MENU”.
“EXTRA SP ASSIGN” is set to a setting 
other than “ZONE2”.
Set “EXTRA SP ASSIGN” to “ZONE2”.
FRONT B speakers 
cannot be activated.
“EXTRA SP ASSIGN” is set to a setting 
other than “FRONT B”.
Set “EXTRA SP ASSIGN” to “FRONT B”.
No sound from the 
center, surround or 
surround back 
speakers when the 
FRONT B speakers are 
activated.
“EXTRA SP ASSIGN” is set to 
“ZONE B”.
Set “EXTRA SP ASSIGN” to “FRONT B”.
Presence speaker 
settings are not 
available in “SET 
MENU”.
“EXTRA SP ASSIGN” is set to a setting 
other than “PRESENCE”.
Set “EXTRA SP ASSIGN” to “PRESENCE”.
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.
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.
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