ONKYO TX-SR804 Manual De Instruções

91

If you have any trouble using the AV receiver, look for a 
solution in this section. If you can’t resolve the issue 
yourself, contact your Onkyo dealer.

Can’t turn on the AV receiver
• Make sure that the power cord is plugged into the wall 

outlet properly.

• Unplug the power cord from the wall outlet, wait 5 

seconds or more, then plug it in again.

The AV receiver turns off as soon as it’s turned 
on
• The amp protection circuit has been activated. 

Remove the power cord from the wall outlet immedi-
ately. Disconnect all speaker cables and input sources, 
and leave the AV receiver with its power cord discon-
nected for 1 hour. After that, reconnect the power cord 
and set the volume to maximum. If the AV receiver 
stays on, set the volume to minimum, disconnect the 
power cord, and reconnect your speakers and input 
sources. If the AV receiver turns off when you set the 
volume to maximum, disconnect the power cord, and 
contact your Onkyo dealer.

There’s no sound or it’s very quiet
• Make sure that the digital input source is selected 

• Make sure that all audio connecting plugs are pushed 

in all the way (page 24).

• Make sure that the polarity of the speaker cables is 

correct, and that the bare wire is in contact with metal 
part of each speaker terminal (page 21)

• Make sure that the speaker cables are not shorting.
• Check the volume (page 48). The AV receiver is 

designed for home theater enjoyment and has a wide 
volume range for precise adjustment.

• If the MUTING indicator is shown on the display, 

press the remote controller’s [MUTING] button to 
unmute the AV receiver (page 58).

• While a pair of headphones is connected to the 

PHONES jack, no sound is output by the speakers 
(page 59).

• Check the digital audio output settings on the con-

nected device. On some games consoles, such as those 
that can play DVDs, the default setting is off.

• With some DVD-Video discs, you need to select an 

audio format from a menu.

• If your turntable uses an MC cartridge, you must con-

nect an MC head amp, or an MC transformer 
(page 35).

• Check the speaker settings (pages 70–75).
• The input signal format is set to PCM or DTS. Set it to 

• If there’s no sound from a DVD player connected to an 

HDMI IN, check the DVD player’s output settings, 
and be sure to select a supported audio format.

Only the front speakers produce sound
• When the Stereo listening mode is selected, only the 

front speakers and subwoofer produce sound.

• In the Mono listening mode, only the front speakers 

output sound when the Output Sp setting is set to Front 
(page 68).

• Make sure the speakers are configured correctly 

Only the center speaker produces sound
• If you use the Pro Logic IIx Movie or Pro Logic IIx 

Music listening mode with a mono source, such as an 
AM radio station or mono TV program, the sound is 
concentrated in the center speaker.

• In the Mono listening mode, only the center speaker 

outputs sound when the Output Sp setting is set to 
Center (page 68).

• Make sure the speakers are configured correctly 

The surround speakers produce no sound
• When the Stereo or Mono listening mode is selected, 

the surround speakers produce no sound.

• Depending on the source and current listening mode, 

not much sound may be produced by the surround 
speakers. Try selecting another listening mode.

• Make sure the speakers are configured correctly 

The center speaker produces no sound
• When the Stereo listening mode is selected, the center 

speaker produces no sound.

• In the Mono listening mode, only the front speakers 

output sound when the Output Sp setting is set to Front 
(page 68).

• Make sure the speakers are configured correctly 

The surround back speakers produce no sound
• The surround back speakers are not used with all lis-

tening modes. Select another listening mode 
(page 60).

• Not much sound may be produced by the surround 

back speakers with some sources.

• Make sure the speakers are configured correctly 

• When the ZONE 2 SPEAKERS terminals are used, 

playback in the main room is reduced to 5.1-channels, 
and the surround back speakers produce no sound 
(page 82).