Yamaha HTR-5990 Owner's Manual page 113

Problem
The sound suddenly The protection circuitry has been activated
goes off.
because of a short circuit, etc.
The sleep timer has turned the unit off.
The sound is muted.
Only the speaker on
Incorrect cable connections.
one side can be
heard.
Incorrect balance settings in the OSD
menu.
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 from the
The sound field programs are turned off.
effect speakers
You are using a source or program
combination that does not output sound
from all channels.
No sound from the The output level of the center speaker is
center speaker set to minimum.
CENTER SP is set to NONE in
SPEAKER SET.
One of the HiFi DSP programs (except for
7ch Stereo) has been selected.
No sound from the The output level of the surround speakers
surround speakers
is set to minimum.
SUR. L/R SP is set to NONE in
SPEAKER SET.
A monaural or stereo source is being
played with STRAIGHT.
No sound from the Presence speakers are selected.
surround back
SUR. L/R SP is set to NONE in
speakers
SPEAKER SET.
SB L/R SP is set to NONE in SPEAKER
SET.
No sound from the LFE/BASS OUT is set to FRONT when a
subwoofer Dolby Digital or DTS signal is being
played.
LFE/BASS OUT is set to SWFR or Front
when a 2-channel source is being played.
The source does not contain low bass
signals.
Cause
Check that the impedance selector setting is correct.
Check the speaker wires are not touching each other
and then turn this unit back on.
Turn on the power, and play the source again.
Press MUTE to cancel a mute.
Connect the cables properly. If the problem persists,
the cables may be defective.
Adjust the SP LEVEL settings.
Press STRAIGHT (EFFECT) to turn them on.
Try another sound field program.
Raise the level of the center speaker.
Select the appropriate setting for the center speaker.
Try another sound field program.
Raise the output level of the surround speakers.
Select the appropriate setting for the surround left and
right speakers.
Press STRAIGHT (EFFECT) to turn on the sound
fields.
Select SB in PRIORITY.
If the surround left and right speakers are set to
NONE, surround back speakers are automatically set
to NONE. Select the appropriate setting for the
surround left and right speakers.
Select SMLx1, SMLx2, LRGx1 or LRGx2.
Select SWFR or BOTH.
Select BOTH.
TROUBLESHOOTING
Remedy
Refer to
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