ONKYO TX-8020B Fiche De Données

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If you have any trouble using the receiver, look for a 
solution in this section. 

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 or B is on (

page 20).

• Make sure that all audio connecting plugs are pushed 

in all the way (

• 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 (

• Make sure that the speaker cables are not shorting.
• Make sure that the inputs and outputs of all 

components are connected properly.

• Make sure that the correct input source is selected 

(

• If the MUTING indicator is shown on the display, 

press the remote controller’s [MUTING] button to 
unmute the receiver (

• 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 speakers. 
(

Noise can be heard
• Using cable ties to bundle audio cables with power 

cords, speaker cables, 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.

The tone controls have no effect
• If the DIRECT is turned on, the tone controls have no 

effect. Press the [TONE] button to turn the function 
off.

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.

The remote controller doesn’t work
• Make sure that the batteries are installed with the 

correct polarity (

• Install new batteries. Don’t mix different types of 

batteries or old and new batteries (

• 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 receiver’s 
remote control sensor (

• Make sure that the receiver is not subjected to direct 

sunshine or inverter-type florescent lights. Relocate if 
necessary (

Can’t control other components
• If it is an Onkyo component, make sure that the 

cable and analog audio cable are connected properly. 
Connecting only an  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 

, point the remote controller at the receiver.

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.

Note that resetting the receiver will delete your 
radio presets and custom settings.