Yamaha YHT-3072 Owner's Manual page 92

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No sound is coming from a specific speaker
l The playback source does not contain a signal for the channel.
To check it, use "Signal Information" in the "Option" menu. For details, see the
following:
– "Checking information about the video/audio signals" (p.57)
l The currently selected sound program/decoder does not use the speaker.
To check it, use "Test Tone" in the "Setup" menu. For details, see the following:
– "Outputting test tones" (p.71)
l Audio output of the speaker is disabled.
Perform YPAO or use "Configuration" in the "Setup" menu to change the speaker
settings. For details, see the following:
– "Optimizing the speaker settings automatically (YPAO)" (p.27)
– "Setting the use of a subwoofer" (p.67)
– "Setting the size of the front speakers" (p.67)
– "Setting the use of a center speaker and its size" (p.68)
– "Setting the use of surround speakers and their size" (p.68)
l The volume of the speaker is set too low.
Perform YPAO or use "Level" in the "Setup" menu to adjust the speaker volume.
For details, see the following:
– "Optimizing the speaker settings automatically (YPAO)" (p.27)
– "Adjusting the volume of each speaker" (p.70)
l The speaker cable connecting the unit and the speaker is defective.
Check the unit's SPEAKERS terminals and the speaker's terminals. If there is no
problem with the connection, replace a breaking speaker cable with another
speaker cable.
l The speaker is malfunctioning.
To check it, replace with another speaker. If the problem persists with using
another speaker, the unit may be malfunctioning.
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No sound is coming from the subwoofer
l The playback source does not contain Low Frequency Effect (LFE) or low-
frequency signals.
To check it, set "Extra Bass" in the "Setup" menu to "On", in order to output the
front channel low-frequency components from the subwoofer. For details, see the
following:
– "Setting the use of Extra Bass" (p.69)
l Subwoofer output is disabled.
Perform YPAO or set "Subwoofer" in the "Setup" menu to "Use". For details, see
the following:
– "Optimizing the speaker settings automatically (YPAO)" (p.27)
– "Setting the use of a subwoofer" (p.67)
l The volume of the subwoofer is too low.
Adjust the volume on the subwoofer.
l The subwoofer has been turned off by its auto-standby function.
Disable the auto-standby function of the subwoofer or adjust its sensitivity level.
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No sound from the playback device connected to the
unit with HDMI
l The TV does not support HDCP (High-bandwidth Digital Content Protection).
Refer to the instruction manuals for the TV and check the TV's specifications.
l The number of devices connected to the HDMI OUT jack exceeds the limit.
Disconnect some of the HDMI devices.
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En