Onkyo TX-SR304 instruction manual Troubleshooting

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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, 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.

VIDEO 1/VCR

STANDBY/ON

Note that resetting the AV receiver will delete your radio presets and custom settings.

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?

•Press the SPEAKERS [A] or [B] button to turn on the indicator for the speakers that you want to output sound.

•Make sure that the digital input source is selected properly (page 33). Press the [DIGITAL INPUT] but- ton repeatedly.

•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 wires are in contact with metal part of each speaker terminal (pages 18, 19)

•Make sure that the speaker cables are not shorting.

•Check the volume. The AV receiver is designed for home theater enjoyment and has a wide volume range for precise adjustment (page 36).

•If the MUTING indicator is shown on the display, press the remote controller’s [MUTING] button to unmute the AV receiver (page 43).

•While a pair of headphones is connected to the PHONES jack, no sound is output by the speakers (page 42).

•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 52, 53).

•The input signal format is set to PCM or DTS. Set it to Auto (page 53).

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 34).

Only the center speaker produces sound?

•If you use the Pro Logic II Movie or Pro Logic II 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 34).

The surround speakers produce no sound?

•When the Stereo or Mono listening mode is selected, the surround speakers produce no sound (page 45).

•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 34).

The center speaker produces no sound?

•When the Stereo or Mono listening mode is selected, the center speaker produces no sound (page 45).

•Make sure the speakers are configured correctly (page 34).

The subwoofer produces no sound?

•The subwoofer outputs no sound while only speaker set B is on. Turn on speaker set A.

•When you play source material that contains no infor- mation in the LFE channel, the subwoofer produces no sound.

•Make sure the speakers are configured correctly (page 34).

•If the multichannel DVD input is selected and speaker set B is on, speaker set A is reduced to 2-channel play- back, so the subwoofer outputs no sound.

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Contents TX-SR8440 Avis Important Safety InstructionsPower PrecautionsFCC Information for User Precautions Supplied AccessoriesContents FeaturesFront Panel Front & Rear PanelsDisplay Front & Rear PanelsK L M Rear PanelInstalling the Batteries Before Using the AV receiverUsing the Remote Controller How to Use the Remote Controller Remote ControllerReceiver Mode Remote Controller DVD Mode To select your CD player as the input source, press CD ModeMD or CD recorder MD, & CDR ModeCDR Playlist / buttons HDD ModeTo select your HDD component as the input source, press Album +/- buttonReverse Play button Tape ModePlay button Stop buttonSpeaker Set B Sub Room Enjoying Home TheaterSpeaker Sets a and B Speaker Set a Main RoomAttaching the Speaker Labels Connecting Your SpeakersSpeaker Connection Precautions Speaker ConfigurationSpeaker Set B Speaker Set a Connecting Your SpeakersConnecting Speaker Connecting a Powered SubwooferOther Models Connecting AntennaConnecting the AM Loop Antenna Connecting the Indoor FM AntennaUsing a TV/FM Antenna Splitter Connecting AntennaConnecting an Outdoor FM Antenna Connecting an Outdoor AM AntennaAV Connection Color Coding Connecting Your ComponentsAbout AV Connections Optical Digital JacksVideo Connection Formats Connecting Your ComponentsConnecting Both Audio & Video Which Connections Should I Use?Video Connection DVD Player to AV Receiver to TV Connecting a DVD PlayerMultichannel Audio Connection Audio ConnectionMultichannel Connection DVD player TV, projector Connecting a VCRConnecting a VCR for Playback Video Connection VCR to AV Receiver to TVConnecting a VCR for Recording Connecting a Camcorder, Games Console, or Other DeviceVideo Connection Satellite, cable, set-top box, etc Phono preamp Connecting a CD Player or TurntableCD Player or Turntable with Built-in Phono Preamp CD player Turntable MM with Built-in phono preampConnecting a Cassette, CDR, MiniDisc, or DAT Recorder Connecting an HDD-compatible Component Audio OnlyCassette recorder CDR, etc Remote Control Connecting Onkyo ComponentsConnecting the Power Cord Auto Power On/StandbyHave you connected a component to a digital audio input? Turning OnTurning On the AV Receiver Smooth Operation in a Few Easy StepsAssigning Digital Inputs to Input Sources First Time SetupChanging the Input Display First Time Setup Left and Right Buttons to Select Small, Large, or None Press the Setup buttonTesting the speakers Use the Down Button toStart playback on the source component Select a suitable listening mode and enjoyPlaying Your AV Components Basic AV Receiver OperationPlaying Your AV Components Using the Multichannel InputDisplaying Source Information Listening to the Radio Using the TunerTuning into Radio Stations AM Frequency Step Setup Not North America and EuropeSelecting Preset Stations Using the TunerPresetting Radio Stations Deleting PresetsWhat is RDS? Using RDS European models onlyProgram Types Used in Europe PTY Finding Stations by Type PTY Displaying Radio Text RTListening to Traffic News TP Common Functions Using HeadphonesSetting the Display Brightness Adjusting the Bass & TrebleMuting the AV Receiver Using the Sleep TimerPress the remote controller’s Muting button Common FunctionsMultichannel DVD Input Adjusting Speaker LevelsHeadphones Speaker Set BSelecting on the AV receiver Using the Listening ModesSelecting with the Remote Controller Selecting Listening ModesDTS Using the Listening ModesAbout the Listening Modes Onkyo Original DSP ModesDTS Using the Audio Adjust Functions Adjusting the Listening ModesInput Channel Settings PL II Music Mode Settings Adjusting the Listening ModesUsing the Late Night Function Dolby Digital only Using the CinemaFILTERRecording the Input Source RecordingRecording from Different AV Sources Double Bass Advanced SetupAdvanced Speaker Settings Crossover FrequencySpeaker Distance Advanced SetupSpeaker Levels Digital Input Signal Formats Correcting Sound and Picture Sync Press the Receiver Remote Mode buttonInput Selector Troubleshooting Troubleshooting Functions don’t work? Sound changes when I connect my head- phones?Can’t record? How do I change the language of a multiplex source?Tuner Section SpecificationsAmplifier Section Video SectionMemo Onkyo China Limited Onkyo U.S.A. CorporationOnkyo Europe Electronics GmbH Onkyo Europe UK Office

TX-SR304 specifications

The Onkyo TX-SR304 is a versatile and robust home theater receiver that caters to audiophiles and casual listeners alike. Launched with features that resonate with contemporary demands, it integrates a blend of technologies that enhance audio and video performance, making it a solid choice for home entertainment systems.

At its core, the TX-SR304 boasts 5.1-channel audio output, providing a rich surround sound experience that immerses users in their favorite movies, music, and games. With a power output of 75 watts per channel, it delivers dynamic sound that fills rooms, ensuring clarity and detail across various frequencies. This receiver is designed with discrete output stages, allowing for superior sound quality and reduced distortion, which enhances the listening experience.

One of the standout features of the Onkyo TX-SR304 is its user-friendly interface and setup process. Equipped with an intuitive on-screen display, it simplifies navigation, making it easy for users to adjust settings and configure their audio setup. The inclusion of multiple HDMI inputs allows seamless connection to high-definition devices, such as Blu-ray players, gaming consoles, and streaming devices, providing flexibility for modern entertainment setups.

The TX-SR304 supports various audio formats, including Dolby Digital and DTS, ensuring compatibility with a wide range of media. Additionally, it features a built-in FM tuner, allowing users to enjoy their favorite radio stations without the need for additional devices. The receiver's Music Optimizer feature enhances compressed audio files, improving their playback quality, making it an appealing option for those who frequently stream music.

Connectivity options are extensive, featuring legacy connections such as RCA inputs and outputs, as well as component and composite video inputs. This versatility ensures the TX-SR304 can integrate smoothly with older and newer audio-visual components.

Overall, the Onkyo TX-SR304 stands out as a comprehensive home theater solution. With its blend of power, connectivity, and audio enhancement features, it caters to a diverse audience while maintaining the high-quality performance Onkyo is known for. Whether upgrading an existing system or creating a new home theater setup, this receiver is designed to meet a variety of entertainment needs.
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