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Troubleshooting
Symptom Possible cause Remedy
Power
The AV Receiver shuts
down immediately after
being turned on?
The amp protection system has been acti-
vated.
Contact your Onkyo dealer.
Audio
There’s no sound coming
from the speakers?
The AV Receiver is muted and the MUTING
indicator is on.
Unmute the AV Receiver (page 39).
The AV Receiver is not connected properly.
Make sure that all audio connecting plugs are
pushed in all the way. And make sure that the
inputs and outputs of all components are con-
nected properly (page 20).
If your turntable doesn’t have a built-in
phono preamp, you must connect one
between your turntable and the AV Receiver.
If your turntable uses an MC cartridge, you
must use a compatible phono preamp.
The speaker cables are not connected
properly.
Make sure that the polarity of the speaker
cables is correct and that the bare wires are in
contact with metal part of each speaker ter-
minal (page 17).
The wrong input source is selected. Select the correct input source (page 34).
A pair of headphones are connected. Disconnect the headphones (page 39).
The input signal format is set to PCM or
DTS.
Set the input signal format to Auto (page 47).
The volume is set at minimum. Turn up the volume (page 34).
The speakers are configured incorrectly.
Specify which speakers are connected
(page 32), the speaker distances (page 48)
and adjust the individual speaker levels
(page 49).
The source component is not outputting dig-
ital audio.
Check the digital audio output setting on the
connected device. On some games consoles,
such as those that support DVD, the default
setting is off.
A compatible digital audio format is not
selected on the source component.
With some DVD-Video discs, you need to
select an audio output format from a menu.
The center speaker is not
working or is very quiet?
The Stereo, Direct, Pure Audio, or Orchestra
listening mode is selected.
The center speaker is not used with these
modes (page 42).
The level of the center speaker is set at
minimum.
Check the volume of the center speaker
(page 49).
The Center setting is set to None in the
Speaker Configuration.
Check the Center setting in the Speaker Con-
figuration (page 32).
Only the center speaker is
working?
You’re listening to a mono sound source
(e.g., TV or AM broadcast) and the PL II/PL
IIx Movie or PL II/PL IIx Music listening
mode is selected, so the sound is concen-
trated in the center speaker.
Select another listening mode (page 42).
The surround speakers are
not working?
Selected listening mode doesn’t use surround
speakers.
When the Stereo, Direct, or Pure Audio lis-
tening mode is selected, the surround speak-
ers produce no sound (page 42).
Surround speaker output depends on the
source material, and some material may not
use the surround speakers much.
The level of the surround speaker is set at
minimum.
Check the volume of the surround speaker
(page 49).
The Surround setting is set to None in the
Speaker Configuration.
Check the Surround setting in the Speaker
Configuration (page 32).