Appendix
79
Troubleshooting Guide
If a fault occurs, run through the table below before taking your receiver for repair. If the fault persists, attempt to
solve it by switching the receiver off and on again. If this fails to resolve the situation, consult your dealer. Under
no circumstances should you attempt to repair the receiver yourself. This could void the warranty.
Symptom
Possible cause
Remedy
No power
•
The AC input cord is disconnected.
•
Connect cord securely.
•
Poor connection at AC wall outlet or the
outlet is dead or off.
•
Check the outlet using a lamp or
another appliance.
No sound
•
The speaker wires are disconnected.
•
Check the speaker connections.
•
The master volume is adjusted too low.
•
Adjust the master volume.
•
The MUTE button is pressed to “ON“.
•
Press the MUTE button to cancel the
muting effect.
•
Incorrect selection of input source.
•
Select the desired input source
correctly.
•
Incorrect connections between the
components.
•
Make connections correctly.
•
The HDMI AUDIO OUTPUT is set to
“ON”.
•
Set it to AMP. For details, see “HDMI
Audio Output” of “Setting the HDMI
Setup” on page 63.
•
The settings related to audio are set
incorrectly.
•
Set the settings correctly. For details,
see “Setting the Input Setup” on
page 60.
No sound from the
surround speakers
•
Surround mode is switched off (stereo
mode).
•
Select a surround mode.
•
Master volume and surround level are too
low.
•
Adjust master volume and surround
level.
•
Monaural source is used.
•
Select a stereo or surround source.
•
Surround speaker setting is set to “NO”
•
Select the desired surround speaker
setting.
No sound from the
center speaker
•
Dolby Virtual Speaker, stereo mode, etc
is selected.
•
Select the desired surround mode.
•
Center speaker setting is set to “NO”
•
Select the desired center speaker
setting.
•
Master volume and center level are too
low.
•
Adjust master volume and center
level.
No sound from the
surround back (or front
height) speakers
•
The input signal format or the current
surround mode cannot support the 7.1 (or
6.1) surround.
•
Under the proper situations, perform
the 7.1 (or 6.1) surround playback.
For details, see “Enjoying Surround
Sound” on page 29.
•
The surround back channels’ power
amplifier is assigned to “ROOM2”.
•
Assign the power amplifier to the
surround back (or front height)
channels. For details, see “AMP
Assign” of “Setting the System
Setup” on page 56.
•
Master volume and surround back level
are too low.
•
Adjust master volume and surround
back (or front height) level.
•
Surround back speaker is set to “NO”.
•
Select the desired surround back (or
front height) speaker setting.
Summary of Contents for R-977
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