Bedienungsanleitung Onkyo TX-NR905 (Seite 131 von 136) (Englisch)

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Troubleshooting

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 back in again.

The AV receiver turns off as soon as it’s turned

• 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 is assigned to the input

selector (page 58).

• Make sure that the correct audio input is selected

(page 78).

• Make sure that all audio connecting plugs are pushed

in all the way (page 33).

• 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 25).

• Make sure that the speaker cables are not shorting.

• Check the volume (page 68). The AV receiver is

designed for home theater enjoyment and has a wide

volume range for precise adjustment.

• If the MUTING indicator is ﬂashing on the display,

press the remote controller’s [MUTING] button to

unmute the AV receiver (page 76).

• While a pair of headphones is connected to the

PHONES jack, no sound is output by the main room

speakers (page 77).

• Check the digital audio output settings on the source

component. On some game 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 or with the AUDIO button

on your DVD player’s remote controller.

• If your turntable uses an MC cartridge, you must use

an MC head amp or MC transformer (page 46).

• Check the speaker settings (pages 94–101).

• If the digital signal format is set to PCM or DTS, set it

to Auto (page 78).

• 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 compatible 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 if the Output Speaker setting is set to L/R

(page 91).

• Check the Speaker Conﬁguration (page 94).

Only the center speaker produces sound

• If you use the Dolby Pro Logic IIx Movie or Dolby

Pro Logic IIx Music listening mode with a mono

source, such as an AM radio station or mono TV pro-

gram, the sound will be concentrated in the center

speaker.

• In the Mono listening mode, only the front speakers

output sound if the Output Speaker setting is set to C

(page 91).

• Check the Speaker Conﬁguration (page 94).

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 the current listening

mode, not much sound may be produced by the sur-

round speakers. Try another listening mode (page 79).

• Check the Speaker Conﬁguration (page 94).

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 if the Output Speaker setting is set to L/R

(page 91).

• Check the Speaker Conﬁguration (page 94).

The surround back speakers produce no sound

• The surround back speakers are not used with all lis-

tening modes. Try another listening mode (page 79).

• Not much sound may be produced by the surround

back speakers with some sources.

Power

Audio

If you can’t resolve the issue yourself, try resetting

the AV receiver before contacting your Onkyo dealer.

To reset the AV receiver to its factory defaults,

turn it on and, while holding down the [VCR/DVR]

button, press the [STANDBY/ON] button. “Clear”

will appear on the display and the AV receiver will

enter Standby mode.

Note that resetting the AV receiver will delete your

radio presets and custom settings.

STANDBY/ON

VCR/DVR

TX-NR905_En.book Page 131 Monday, June 18, 2007 12:55 PM

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