Onkyo TX-8020 - Troubleshooting Common Issues; Power and Audio Problems; Reception and Remote Issues

Troubleshooting
If
you have any trouble using the receiver, look for a
solution in this section.
If
you
can't
resolve the issue yourself, try resetting
the receiver before contacting your Onkyo dealer.
To
reset the receiver to its factory defaults,
turn
it
on
and,
while holding down
the
[TUNING
MODE] button, press the
[~ON/STANDBY]
button.
()
ONISTAIJDBY
Note that resetting the receiver will delete your
radio presets and custom settings.
Can't
turn
on
the
receiver
• Make sure that the power cord
is
plugged into the
electric outlet properly.
•
Unplug the power cord from the electric outlet, wait
5 seconds or more, then plug it in again.
There's
no
sound
or
it's very
quiet
•
Make sure the speaker set A
orB
is on (
~
page
20).
•
Make sure that all audio connecting plugs are pushed
in all the way (
~
page 15-18).
•
Make sure
that the polarity
of
the speaker cables is
correct, and that the bare wire is in contact with the
metal part
of
each speaker terminal (
~
page
11
).
•
Make sure
that the speaker cables are not shorting.
•
Make sure that the inputs and outputs
of
a
ll
components are connected properly.
•
Make sure that the correct input source is selected
c~
page
20).
•
If
the MUTING indicator is shown on the display,
press the remote controller's [MUTING] button
to
unmute the receiver (
~
pa
ge
20).
•
If
your turntable uses an MC cartridge, you must
connect an MC head amp, or an MC transformer and
a phono preamp.
•
While a pair
of
headphones is connected to the
PHONES
jack, no sound is output from the speaker
s.
c~
page
20).
Noise can be heard
• Using
cable ties to bundle audio cables with power
cords, speaker
ca
bles, and so on may degrade the
audio performance; do not bundle audio cables
together with power cords or speaker cables.
•
An audio cable may be picking up interference. Try
repositioning your cables.
En-32
The tone controls have
no
effect
•
If
the DIRECT is turned on, the tone controls have no
effect.
Press
the [TONE] button to tum the function
off.
Tuner
Reception
is
noisy, stereo
FM
reception suffers
from hiss,
or
the
FM
STEREO
indicator
doesn't
appear
•
Relocate your antenna.
•
Move the receiver away from your TV or computer.
•
Listen to the station in mono (
~
page 24
).
•
When listening to an AM station, operating the remote
controller may cause noise.
• Passing
cars and airplanes can cause interference.
•
Concrete walls weaken radio signals.
•
If
nothing improves the reception, install an outdoor
antenna.
Remote
Controller
The remote controller
doesn't
work
•
Make
sure that the batteries are installed with the
correct polarity (
~
page 6).
• Install new batteries. Don't mix different types
of
batteries
or
old and new batteries (
~
page 6).
•
Make sure that the remote controller is not too far
away from the receiver, and that there's no obstruction
between the remote controller and the rece
iv
er's
remote control sensor (
~
page 6).
•
Make sure that the receiver is not subjected to direct
sunshine or inverter-type florescent lights. Relocate
if
necessary (
~
page 6).
Can't control other components
•
If
it is an Onkyo component, make sure that the
R
I
cable and analog audio cable are connected properly.
Connecting only an
R
I cable won't
work(~
page 17).
•
With some components, certain buttons
may not work
as expected, and some may not work at all.
•
To control an Onkyo component that's connected via
R
I,
point the remote controller at the receiver.