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If you have any trouble using the 7.1ch Home Theater System, look for a solution in this section. 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 [VIDEO 1] 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.
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 immediately. Disconnect all speaker cables and input sources, and leave the AV receiver with its power cord disconnected 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.
• If the MUTING indicator is shown on the display, press the remote controller's [MUTING] button to unmute the AV receiver (page 44). • While a pair of headphones is connected to the PHONES jack, no sound is output by the speakers (page 45). • Check the digital audio output settings on the connected 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 doesn't have a phono preamp built-in, you must connect one between it and the AV receiver. If your turntable uses an MC cartridge, you must connect an MC head amp, or an MC transformer and a phono preamp. • Specify the speaker distances and adjust the individual speaker levels (pages 52, 53). • The input signal format is set to PCM or DTS. Set it to Auto (page 56). Only the front speakers produce sound • When the Stereo or Mono listening mode is selected, only the front speakers and subwoofer produce sound. • Make sure the speakers are conﬁgured correctly (page 54). Only the center speaker produces sound • If you use the Pro Logic IIx Movie, Pro Logic IIx Music, or Pro Logic IIx Game listening mode with a mono source, such as an AM radio station or mono TV program, the sound is concentrated in the center speaker. • Make sure the speakers are conﬁgured correctly (page 54). The surround speakers produce no sound • When the Stereo or Mono listening mode is selected, the surround speakers produce no sound (page 48). • 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 (page 54). The center speaker produces no sound • When the Stereo or Mono listening mode is selected, the center speaker produces no sound (page 48). • Make sure the speakers are conﬁgured correctly (page 54). The surround back speakers produce no sound • While speaker set B is on, speaker set A is reduced to 5.1-channel playback and the surround back speakers produce no sound.
There's no sound or it's very quiet • Make sure that the digital input source is selected properly (page 35). Press the [DIGITAL INPUT] button repeatedly. • Make sure the speker set A or B is on (page 5). • Make sure that all audio connecting plugs are pushed in all the way (page 22). • 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 19) • Make sure that the speaker cables are not shorting. • Check the volume. It can be set to MIN, 1 through 79, or MAX (page 36). The AV receiver is designed for home theater enjoyment and has a wide volume range for precise adjustment.