Troubleshooting guide

If a problem occurs while you are using the remote controller, first try to operate the controls on the front panel of the TX-DS797 to make sure that it is not due to a malfunction (or worn out batteries) in the remote controller.

POWER

Power shuts off immediately after power on.

•Amplifier protection circuitry has been activated.

➞Remove the power cord from outlet immediately. Contact your Onkyo service center.

No power.

•Power cord is disconnected.

➞Connect power cord.

•External noise in the affecting the internal microcomputer.

➞Turn the power button off and then on again or remove the power cord from the outlet and then plug it in again.

•Internal fuse is blown.

➞Contact your Onkyo Service Center.

Power turns on but no sound.

•“Muting” is displayed.

➞Press the MUTING button on the remote controller to turn it off.

•Bad connections or wiring.

➞Check connections, speaker cables, etc.

•Amplifier protection circuitry has been activated.

➞Contact your Onkyo Service Center.

The sound of the playback source is not heard.

•Input selector is not set properly.

➞Set to correct input source.

•Headphones are connected.

➞Lower volume and then disconnect headphones.

SPEAKERS

No sound from the center speaker, or at very low volume.

•Speaker cable is not connected.

➞Check the connection between the amplifier and the speaker.

•Listening mode is set to Stereo or Direct.

➞Set the Listening mode to any mode other than Stereo or Direct. The output to the center speaker may differ depending on the listening mode.

•Center speaker level is set to minimum.

➞Set the Center speaker level to the appropriate volume (page 31).

•The Center setting of the Speaker Config submenu is set to “None.”

➞Set the Center setting at the Speaker Config submenu to “Large” or “Small” (see page 29).

No sound or very low volume from subwoofer.

•Subwoofer is set to “No.”

➞Check the speaker setting (pages 29, 40).

•Subwoofer speakers output level setting is improper.

➞Check the output level of the Subwoofer using the test tone.

Low frequency humming is heard.

•Not properly grounded.

➞Check outer conductor of input plugs.

•Turntable motor is not properly grounded.

➞Check for proper ground connection.

•Audio connection cables on the rear panel are connected incorrectly.

➞Adjust the placement of the cable to reduce hum.

Howling is heard when the volume is turned up.

•Turntable and speakers are located too close together. ➞ Move them farther apart.

Rough or scratchy sound is heard. High range is not clear.

•The needles of turntable is dirty or worn, or a problem exists with a connected component.

➞Refer to the instruction of the connected components and check for problem.

•Treble control is too high.

➞Turn treble down (see page 40).

No sound is output from the surround back speakers.

•The setting for the surround back speakers does not match the actual configuration.

➞ Check the Surr Back Out setting (OSD MenuSpeaker Setup → Speaker Config). If one surround back speaker is connected, select “1 ch,” and if two surround back speakers are connected, select “2 ch” (page 29).

FM/AM TUNER

AM stations cannot be received.

•AM loop antenna is not connected.

➞Connect the included AM loop antenna to the AM antenna terminals.

Buzzing noise on AM stations (particularly noticeable at night or with weak stations).

•Noise from electrical apparatus such as fluorescent lamp.

➞Move the AM loop antenna to different position.

➞Set up an outdoor AM antenna.

Noise is heard at high-pitched sounds on AM stations.

•Noise from TV set.

➞Place the AM loop antenna as far as possible from the TV.

➞Move unit away from TV set.

Crackling noise on both AM and FM stations.

•Noise caused by fluorescent lamp being turned on and off.

➞Move antenna as far as possible from the fluorescent lamp.

•Noise from automobile ignition.

➞Install an FM outdoor antenna as far as possible from the road.

➞Change the position or direction of the outdoor antenna.

The indicators light for stereo reception, but sound is distorted and stereo separation is bad.

•Station is too strong.

➞Change to FM indoor antenna.

•Multiple reflection of the radio waves because of tall buildings or mountains.

➞Use antenna that has better directivity and select a point where distortion is least.

Indicators for stereo reception flicker and hiss is heard on FM stations.

•Station is too weak.

➞Install an outdoor FM antenna.

•Stereo FM broadcasts cover only about half the distance of an ordinary broadcast.

➞Change the position or direction of the outdoor antenna.

No preset station is recalled.

•Power cord has been unplugged or the POWER switch has been turned off for a long time.

➞ The memory contents are lost. Store all stations again.

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Onkyo TX-DS797 instruction manual Troubleshooting guide
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TX-DS797 specifications

The Onkyo TX-DS797 is an iconic AV receiver that has left a lasting impression on home theater enthusiasts since its release. Known for its robust performance and extensive feature set, this receiver is designed to deliver an immersive audio-visual experience that can elevate any entertainment setup.

One of the standout features of the TX-DS797 is its impressive multi-channel amplification system. With a power output of 100 watts per channel, the receiver can drive a wide range of speakers, providing dynamic sound that fills the room. This power is complemented by Onkyo’s Wide Range Amplification Technology, which ensures clear and accurate sound reproduction across various frequencies. The receiver supports Dolby Digital, DTS, and THX audio formats, making it suitable for both movies and music.

The TX-DS797 is equipped with multiple inputs and outputs, allowing for extensive connectivity options. It includes six composite video inputs, three S-video inputs, and two component video inputs, making it easy to connect various devices such as DVD players, gaming consoles, and satellite receivers. Additionally, the receiver features a built-in AM/FM tuner and supports recording outputs, giving users the flexibility to manage their media.

In terms of audio processing, the TX-DS797 boasts a 24-bit/192 kHz DAC, ensuring high-fidelity audio playback. The receiver also supports various audio codecs, providing users with a diverse listening experience that caters to different preferences. The inclusion of the Onkyo’s proprietary DSP (Digital Signal Processing) allows for accurate simulation of different sound environments, enhancing the immersion during movie watching and music listening.

Furthermore, the TX-DS797 is designed with user convenience in mind. Its intuitive on-screen display makes navigation through various settings and configurations a straightforward process. It also comes with a remote control, allowing users to manage their audio-visual setups from the comfort of their couch.

With a sleek and modern design, the Onkyo TX-DS797 not only performs well but also adds an aesthetic appeal to any home theater environment. It offers an excellent balance of power, versatility, and advanced technology, making it an enduring choice for audiophiles and casual listeners alike. Whether you are watching a blockbuster film or listening to your favorite music, the TX-DS797 delivers an exceptional performance that is hard to beat.
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