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The Daily Insight

Why is my arc not working on my Denon TV?

Author

John Thompson

Published Mar 11, 2026

Why is my arc not working on my Denon TV?

Also ARC appears to be on at both the Denon and LG TV. ARC/CEC issues are not uncommon. The culprit is usually CEC because of non-standardized protocols. The device mfrs are free to implement whichever protocols they want for whatever reasons they choose to do so. It can work for awhile and then have issues after an update or a change in devices.

What to do when arc doesn’t work on LG TV?

Try power cycling the TV and receiver several times, even unplugging them if it doesn’t work. Always use the TV remote to turn on the whole set up – the TV must turn on the receiver or it won’t work. Also, most receivers have a setting for CEC control and a separate one for ARC; make sure both are configured correctly.

Why does my LG TV have no AVR?

While the erroneous switching to the Blu-ray input ceased, subtle failures occur intermittently. The OLED reports no signal, although the DVR and AVR all indicate a signal is transmitted. Usually, that occurs when I use the Harmony to switch from the OPPO to DVR.

What kind of signal does the Denon AVR get?

The ARC connection provided a Dolby Atmos signal to the AVR which plays as 7.2 to my speakers. I learned over in the Denon receiver thread that the signal is contained in a Dolby digital lossy package. I thought the eARC carried a lossless signal. It will, but eARC is not yet implemented.

What kind of viewing angle does LG 4K TV have?

The IPS 4K TV panel’s wide viewing angle keeps you enthralled with spectacular realism — displaying almost 100% color accuracy, even from a 60-degree angle. *Compared to previous generations of LG LCD TVs. Images are simulated.

Also ARC appears to be on at both the Denon and LG TV. ARC/CEC issues are not uncommon. The culprit is usually CEC because of non-standardized protocols. The device mfrs are free to implement whichever protocols they want for whatever reasons they choose to do so. It can work for awhile and then have issues after an update or a change in devices.

The ARC connection provided a Dolby Atmos signal to the AVR which plays as 7.2 to my speakers. I learned over in the Denon receiver thread that the signal is contained in a Dolby digital lossy package. I thought the eARC carried a lossless signal. It will, but eARC is not yet implemented.

While the erroneous switching to the Blu-ray input ceased, subtle failures occur intermittently. The OLED reports no signal, although the DVR and AVR all indicate a signal is transmitted. Usually, that occurs when I use the Harmony to switch from the OPPO to DVR.

Is the Oppo DVR connected to the AVR?

Yes, the OPPO is connected to the AVR, as is the Directv DVR (non-4K), with high speed Monoprice HDMI cables. However, I spoke too soon.

Yes, the OPPO is connected to the AVR, as is the Directv DVR (non-4K), with high speed Monoprice HDMI cables. However, I spoke too soon.

Try power cycling the TV and receiver several times, even unplugging them if it doesn’t work. Always use the TV remote to turn on the whole set up – the TV must turn on the receiver or it won’t work. Also, most receivers have a setting for CEC control and a separate one for ARC; make sure both are configured correctly.

How do I connect my DVD player to my LG TV?

Plug the Audio Receiver cable into the port. Plug all Video devices (DVD Player, Game Console, Cable Box, etc.) into available In ports. Write down the port number next to each device in your notebook. Ex. DVD: Blue – HDMI1, Game: Red – HDMI2. Once all cables are connected, you are done behind the TV.

How do I connect an external sound bar to my LG TV?

Press the X in the top right to leave the setup menus. The external audio device is setup may also require the ARC feature to be enabled. So check the manual for your receiver or home theater system. And also switch to the correct audio input on the external device in order to receive the audio signal from the TV.

What to do when LG TV does not connect?

Click NEXT to move forward and confirm your setup. NOTE: Do not press the button on the remote, use the cursor/pointer to press from on the screen. If the test result does NOT correspond. If the ON SCREEN commands did not work in the test window, then change the remote type. Use your cursor to point to the > right arrow and click it.

How do I set up my arc on my LG TV?

Always use the TV remote to turn on the whole set up – the TV must turn on the receiver or it won’t work. Also, most receivers have a setting for CEC control and a separate one for ARC; make sure both are configured correctly.

Where do I find arc on my LG TV?

From the Quick Settings menu, choose Advanced. From the Advanced Settings menu, choose Sound > Sound Out > Optical / HDMI (ARC). If desired, change the Input Labels on your TV (instead of finding HDMI 1 in the input list, it could say DVD Player ).