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Troubleshooting
Symptom Possible cause Remedy
Amp
Can’t turn on the HT-R510?
The power cord is not connected.
Connect the power cord to a suitable wall outlet
(page 24).
External interference is affecting the HT-R510’s
digital circuitry.
Turn off the HT-R510, wait five seconds, then try
turning it on again. If that fails, disconnect the power
cord from the wall outlet, wait five seconds, reconnect
it, then try turning it on again.
The HT-R510 shuts down
immediately after being
turned on?
The amp protection system has been activated. Contact your Onkyo dealer.
The buttons on the
HT-R510 and remote con-
troller don’t work?
Power supply voltage fluctuations and other
anomalies, such as static electricity, can inter-
fere with normal operation.
Turn off the HT-R510, wait five seconds, then try
turning it on again. If that fails, disconnect the power
cord from the wall outlet, wait five seconds, reconnect
it, then try turning it on again.
There’s no sound coming
from the speakers?
The HT-R510 is muted. Unmute the HT-R510 (page 32).
The HT-R510 is not connected properly.
Check your connections.
If your turntable doesn’t have a built-in phono
preamp, you must connect one between your turnta-
ble and the HT-R510.
If your turntable uses an MC cartridge, you must use
a compatible phono preamp.
The speaker cables are not connected properly. Check the speaker connections (page 21).
The wrong input source is selected. Select the correct input source (page 28).
A pair of headphones are connected. Disconnect the headphones (page 33).
The input signal format is set to PCM or DTS. Set the input signal format to Auto (page 29).
The volume is set at minimum. Turn up the volume (page 28).
The speakers are configured incorrectly. Check the speaker configuration (page 25).
Some speakers are not used with certain listen-
ing modes.
See page 34 for information on listening modes.
A connecting cable may be damaged.
Check your connecting cables for signs of damage and
replace as necessary.
Only the front speakers are
working?
The Stereo listening mode is selected.
In Stereo listening mode, only the front speakers and
subwoofer are used (page 34).
The center speaker is not
working or is very quiet?
The center speaker is not connected properly.Check the center speaker connections (page 21).
The Stereo, Direct, or Orchestra listening mode
is selected.
The center speaker is not used with these modes
(page 34).
The volume of the center speaker is set at mini-
mum.
Check the volume of the center speaker (page 27).
The currently selected speaker configuration
doesn’t use the center speaker.
Check the speaker configuration (page 25).
Only the center speaker is
working?
Yo u’re listening to a mono sound source (e.g.,
TV or AM broadcast) and the PL II MOVIE or
PL II MUSIC listening mode is selected, so the
sound is concentrated in the center speaker.
Select another listening mode (page 34).
The surround speakers are
not working?
The surround speakers are not used with certain
listening modes.
See page 34 for information on listening modes.
Surround speaker output depends on the
source material. Some material may not use the
surround speakers much.
The volume of the surround speakers is set at
minimum.
Check the volume of the surround speakers (page 27).
The currently selected speaker configuration
doesn’t use the surround speakers.
Check the speaker configuration (page 25).