Yamaha HTR-5940 AV Owner's Manual page 97

Problem
The sound suddenly The protection circuitry has been activated
goes off. because of a short circuit, etc.
The sleep timer has turned off this unit.
The sound is muted.
Sound is heard from Incorrect cable connections.
the speaker on one
side only.
Incorrect settings in "SPEAKER
LEVEL".
Only the center When playing a monaural source with a
speaker outputs CINEMA DSP program, the source signal
substantial sound. is directed to the center channel, and the
front and surround speakers output effect
sounds.
No sound is heard "CENTER" in "SET MENU" is set to
from the center "NONE".
speaker.
One of the HiFi DSP programs (except for
6ch Stereo) has been selected.
No sound is heard
"SUR. LR" in "SET MENU" is set to
from the surround "NONE".
speakers.
This unit is in the "STRAIGHT" mode
and a monaural source is being played
back.
No sound is heard
"SUR. LR" in "SET MENU" is set to
from the surround "NONE" and "SUR. B" is automatically
back speaker. set to "NONE".
"SUR. B" in "SET MENU" is set to
"NONE".
No sound is heard
"BASS OUT" in "SET MENU" is set to
from the subwoofer. "FRNT" when a Dolby Digital or DTS
signal is being played.
"BASS OUT" in "SET MENU" is set to
"SWFR" or "FRNT" when a 2-channel
source is being played.
The source does not contain low-
frequency bass signals.
Cause
Check that the speaker impedance setting is correct.
Check that the speaker wires are not touching each
other and then turn this unit back on.
Turn on this unit, and play the source again.
Press MUTE or VOLUME +/– on the remote control
to resume audio output.
Connect the cables properly. If the problem persists,
the cables may be defective.
Adjust the "SPEAKER LEVEL" settings.
Set "CENTER" to "SML" or "LRG".
Try another sound field program.
Set "SUR. LR" to "SML" or "LRG".
Press STRAIGHT (EFFECT) on the front panel so
that "STRAIGHT" disappears from the front panel
display.
Set "SUR. LR" and "SUR. B" to "SML" or "LRG".
Set "SUR. B" to "SML" or "LRG".
Set "BASS OUT" to "SWFR" or "BOTH".
Set "BASS OUT" to "BOTH".
TROUBLESHOOTING
Remedy
See
page
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