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 and contact your Onkyo dealer.

Audio

There’s no sound, or it’s very quiet?

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

•Make sure that the inputs and outputs of all compo- nents are connected properly (page 20).

•Make sure that the polarity of the speaker cables is correct, and that the bare wires are in contact with the metal part of each speaker terminal (page 22).

•Make sure that the input source is properly selected (page 51).

•Make sure that the speaker cables are not shorting.

•Check the volume. It can be set to MIN, 1 through 99, or MAX (page 51). The AV receiver is designed for home theater enjoyment. It has a wide volume range, allowing precise adjustment.

•If the MUTING indicator is shown on the display, press the remote controller’s [MUTING] button to unmute the AV receiver (page 52).

•While a pair of headphones is connected to the PHONES jack, no sound is output by the speakers (page 52).

•Check the digital audio output setting on the con- nected device. On some game consoles, such as those that support DVD, the default setting is off.

•With some DVD-Video discs, you need to select an audio output format from a menu.

•If your turntable doesn’t have a built-in phono preamp, 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 phono equalizer.

•Make sure that none of the connecting cables are bent, twisted, or damaged.

•Not all listening modes use all speakers (page 62).

•Specify the speaker distances (page 47) and adjust the individual speaker levels (page 48).

•Make sure that the speaker setup microphone is not still connected.

Only the front speakers produce sound?

•When the Stereo listening mode is selected, only the front speakers and subwoofer produce sound.

•When the Direct listening mode is selected, only the front speakers produce sound.

•Make sure the speakers are configured correctly (page 44).

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 44).

The surround speakers produce no sound?

•When the Stereo or Direct listening mode is selected, the surround speakers produce no sound (page 62).

•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 44).

The center speaker produces no sound?

•When the Mono or Stereo listening mode is selected, the center speaker produces no sound (page 62).

•Make sure the speakers are configured correctly (page 44).

The surround back speakers produce no sound?

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

(page 62).

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

•Make sure the speakers are configured correctly (page 44).

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Onkyo TX-SR603X instruction manual Troubleshooting
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TX-SR603X specifications

The Onkyo TX-SR603X is a versatile and powerful AV receiver that combines innovative technology with user-friendly features to create an immersive home theater experience. This model is designed to meet the demands of modern home entertainment systems while delivering excellent audio and video performance.

One of the standout features of the TX-SR603X is its support for various surround sound formats. With the capability to decode Dolby Digital and DTS, users can enjoy cinema-quality audio from their favorite movies, games, and music. The receiver also includes Dolby Pro Logic II, which enhances stereo soundtracks to provide a more enveloping listening experience.

The TX-SR603X is equipped with multiple inputs and outputs, allowing for seamless integration of various devices. With four HDMI inputs, it supports high-definition video and audio, making it easy to connect Blu-ray players, gaming consoles, and streaming devices. Additionally, the receiver features component video inputs and several analog audio inputs for added flexibility.

In terms of power, the TX-SR603X delivers impressive performance with its robust amplification system. It boasts five discrete amplifiers that output 75 watts per channel, ensuring that even the most demanding audio scenarios can be managed with ease. This power allows for clear and dynamic sound reproduction across a wide range of frequencies, enabling users to experience the full depth of their media.

Another key characteristic of the TX-SR603X is its user-friendly interface, which simplifies the setup process and daily operation. The receiver includes an intuitive on-screen menu that guides users through configuration settings and adjustments, making it easy for anyone to optimize their home theater experience. Additionally, the inclusion of Audyssey MultEQ ensures automatic room calibration, allowing the receiver to adapt its performance to the unique acoustics of the listening environment.

For those who value flexibility in their audio playback, the TX-SR603X supports various audio streaming options, including the ability to access digital music via USB. Users can easily connect their USB devices to play their favorite tracks directly through the receiver.

In summary, the Onkyo TX-SR603X stands out as a feature-rich AV receiver that caters to both audiophiles and casual users alike. With its powerful amplification, support for modern surround sound formats, extensive connectivity, and user-friendly setup, it is an excellent choice for anyone looking to enhance their home entertainment system.
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