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.

Power

Can’t turn on the AV receiver?

•Make sure that the power cord is properly plugged into the wall outlet.

•Unplug the power cord from the wall outlet, wait five 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 one hour. After that, reconnect the power cord, and then set the volume to maximum. If the AV receiver stays on, set the volume to minimum, discon- nect the power cord, and reconnect your speakers and input sources properly. If the AV receiver turns off when you set the volume to maximum, disconnect the power cord, and contact your Onkyo dealer.

Audio

There’s no sound or it’s very quiet?

•Make sure that the digital input source is selected properly (page 31). Press the [DIGITAL INPUT] but- ton repeatedly.

•Make sure that all audio connecting plugs are pushed in all the way (page 20).

•Make sure that the polarity of the speaker cables is correct, and that the bare wires are in contact with metal part of each speaker terminal (page 17)

•Make sure that the speaker cables are not shorting.

•Check the volume. It can be set to MIN, 1 through 79, or MAX (page 34). 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 40).

•While a pair of headphones is connected to the PHONES jack, no sound is output by the speakers (page 41).

•Check the digital audio output setting 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 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 con- nect an MC head amp, or an MC transformer and a phono preamp.

•Specify the speaker distances and adjust the individual speaker levels (pages 50, 51).

•The input signal format is set to PCM or DTS. Set it to Auto (page 51).

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 32).

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.

•Make sure the speakers are configured correctly (page 32).

The surround speakers produce no sound?

•When the Stereo or Mono listening mode is selected, the surround speakers produce no sound (page 42).

•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 32).

The center speaker produces no sound?

•When the Stereo or Mono listening mode is selected, the center speaker produces no sound (page 42).

•Make sure the speakers are configured correctly (page 32).

The surround back speakers produce no sound?

•The surround back speakers are not used with all lis- tening modes. Select another listening mode

(page 42).

•Not much sound may be produced by the surround back speakers with some sources.

•Make sure the speakers are configured correctly (page 32).

•When speaker set B is turned on, speaker set A is reduced to 5.1-channel playback, and the surround back speakers produce no sound.

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Onkyo TX-SR8350, TX-SR503E instruction manual Troubleshooting
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TX-SR503E, TX-SR503, TX-SR8350 specifications

The Onkyo TX-SR8350, TX-SR503, and TX-SR503E represent a trio of high-performance A/V receivers that cater to audiophiles and home theater enthusiasts alike. Each model offers unique features and characteristics, ensuring an immersive audio and visual experience.

Starting with the Onkyo TX-SR8350, it's known for its robust power output, delivering 100 watts per channel to ensure dynamic sound across all frequencies. This model includes an advanced Dolby Pro Logic II decoder, enabling listeners to enjoy rich, multi-dimensional audio from stereo recordings. Additionally, the TX-SR8350 supports both DTS and Dolby Digital 5.1 formats, providing detailed sound staging for movie enthusiasts. Its comprehensive connectivity options, including multiple HDMI inputs and component video inputs, make it a versatile choice for modern home entertainment systems. The receiver's integration with Onkyo's proprietary technology enhances video quality, ensuring that high-definition sources are presented with clarity and precision.

The TX-SR503 offers a slightly more compact solution while still preserving many of the features that make Onkyo receivers stand out. With a power output of 75 watts per channel, this model supports a range of surround sound formats, including Dolby Digital and DTS, making it perfect for small to medium-sized rooms. The receiver is equipped with Audyssey 2EQ automatic room calibration technology, which optimizes speaker placement and performance for an enhanced auditory experience tailored to the listener’s space. The TX-SR503’s user-friendly interface and intuitive setup process appeal to both seasoned audio enthusiasts and those just beginning their home theater journey.

The TX-SR503E, while similar to the TX-SR503, is designed for European markets and includes additional features that cater specifically to that audience. It meets the rigorous European safety and performance standards while maintaining the core functionalities and sound quality of its counterpart. Features like stereo pre-outs make it easier for users to integrate additional amplification or powered speakers, enhancing overall audio fidelity.

Together, the Onkyo TX-SR8350, TX-SR503, and TX-SR503E showcase a commitment to quality sound performance, diverse connectivity options, and user-friendly technology. Whether you are building a full home theater system or just want an upgrade from standard audio equipment, these receivers are equipped to deliver outstanding listening experiences tailored to various preferences and environments. With Onkyo’s reputation for high fidelity and reliability, these models stand out as excellent choices for music and movie lovers.
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