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.

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 CBL/SAT, press

8ON/STANDBY. “Clear” will appear on the AV receiver’s display and the AV receiver will enter standby mode.

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

RECEIVER

HOME

To reset the remote controller to its factory defaults, while holding down RECEIVER, press and hold down HOME until RECEIVER lights (about 3 seconds). Within 30 seconds, press RECEIVER again.

The on-screen information appears only on a TV that is connected to HDMI outputs. If your TV is connected to other video outputs, use the AV receiver’s display when changing 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 unexpectedly

The AV receiver will automatically enter standby

76

mode when Auto Standby has been set and launches.

 

The AV receiver turns off and after restoring the power, it turns off again

The protection circuit has been activated. Remove the 15 power cord from the wall outlet immediately. Make sure that all speaker cables and input sources are properly connected, and leave the AV receiver with

its power cord disconnected for 1 hour. After that, reconnect the power cord and turn the power on. If the AV receiver turns off again, unplug the power cord and contact your Onkyo dealer.

Caution: If “CHECK SP WIRE” appears on the AV receiver’s display, the speaker cables may be shorting.

WARNING

If smoke, smell or abnormal noise is produced by the AV receiver, unplug the power cord from the wall outlet immediately and contact your Onkyo dealer.

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Appendix

Audio

There’s no sound, or it’s very quiet

Make sure that the digital input source is selected

59

properly.

 

 

 

Make sure that all audio connecting plugs are pushed

18

in all the way.

 

Make sure that the inputs and outputs of all

19-21

components are connected properly.

 

 

 

Make sure that the polarity of the speaker cables is

15

correct, and that the bare wires are in contact with the

 

metal part of each speaker terminal.

 

Make sure that the input source is properly selected.

26

 

 

Make sure that the speaker cables are not shorting.

15

Check the volume. The AV receiver is designed for

home theater enjoyment. It has a wide volume range,

 

allowing precise adjustment.

 

 

 

If the MUTING indicator is flashing on the AV

49

receiver’s display, press the remote controller’s

 

MUTING button to unmute the AV receiver.

 

While a pair of headphones is connected to the

49

PHONES jack, no sound is output from the speakers.

 

 

 

If there’s no sound from a DVD player connected to

an HDMI IN, check the DVD player’s output

 

settings, and be sure to select a supported audio

 

format.

 

Check the digital audio output setting on the

connected 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 uses an MC cartridge, you must

connect an MC head amp, or an MC transformer.

 

 

 

Make sure that none of the connecting cables are

bent, twisted, or damaged.

 

Not all listening modes use all speakers.

40

 

 

Specify the speaker distances and adjust the

61

individual speaker levels.

 

Make sure that the speaker setup microphone is not

still connected.

 

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Onkyo TX-NR818 instruction manual Troubleshooting, En-91, Power, Audio

TX-NR818 specifications

The Onkyo TX-NR818 is a powerful network receiver that stands out in the crowded field of home audio equipment. Aimed at home theater enthusiasts, this 7.2-channel AV receiver delivers superior sound quality, advanced connectivity options, and a suite of features designed to enhance the listening experience.

One of the standout features of the TX-NR818 is its ability to decode high-resolution audio formats. It supports lossless formats like FLAC and ALAC up to 192 kHz/24-bit, ensuring that audiophiles can enjoy music as it was meant to be heard. With built-in support for Dolby TrueHD and DTS-HD Master Audio, this receiver can handle complex surround sound setups, making it ideal for movies and gaming.

The TX-NR818 is also equipped with advanced connectivity options, including eight HDMI inputs and two outputs. This allows users to connect multiple devices, such as Blu-ray players, gaming consoles, and streaming devices, all while supporting 3D video and 4K upscaling. The MHL (Mobile High-Definition Link) input even lets you connect your smartphone or tablet directly, ensuring seamless playback of mobile content on your big screen.

For those who appreciate modern convenience, the Onkyo TX-NR818 features built-in Wi-Fi and Bluetooth capabilities. This allows users to stream music wirelessly from their smartphone or tablet using services like Spotify and Pandora, or directly from their home network. The receiver is also compatible with the Onkyo remote app, providing intuitive control from mobile devices.

Another key feature is the unique AccuEQ room calibration technology, which tailors the receiver’s audio output to the specific characteristics of your home theater space. This automated setup process optimizes speaker placement and equalization, delivering a more balanced and immersive sound experience.

Additionally, the TX-NR818 supports multiple zones, allowing users to enjoy different audio in various rooms of the house. This multi-room capability ensures that every part of your home can enjoy the benefits of high-quality sound.

In summary, the Onkyo TX-NR818 combines advanced audio technologies, a flexible connectivity suite, and user-friendly features, making it a prime choice for anyone looking to elevate their home theater experience. Its blend of performance, versatility, and modern streaming options truly sets it apart in today’s competitive AV receiver market.