Contributor I

Beam Audio Cuts out over ARC

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Hi - experiencing audio switching between my ARC connected LG TV and my Beam. Beam cuts out, and TV speakers cut in for a few seconds every now and then. this has persisted across updates, changed cables, power cycling etc. I have a diagnostics dump 1001779540 which I took seconds after it happened last. Many thanks, Robert.

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Ken_Griffiths

Maybe try switching off HDMI-CEC control on any ‘other’ devices that are connected to the LG TV HDMI ports 1, 3 and 4.

Also, If the TV allows, set the ‘Digital Sound Out’ on the HDMI-ARC to ‘pass-through’ and see if those things fix the issue for you.

Note after switching off CEC on your other devices, it is also worthwhile rebooting the connected device too.

Robert100Author

Contributor I

Hi Ken,

Thanks for your note, unfortunately on the LG TV I have, turning off SIMPLink will also disable ARC, so without resorting to optical, I need it on.

The only device I have connected is a Firestick and I have disabled CEC on that, so I’ll see how I go.

Thanks for you help.

Ken_Griffiths

Hi Ken,

Thanks for your note, unfortunately on the LG TV I have, turning off SIMPLink will also disable ARC, so without resorting to optical, I need it on.

The only device I have connected is a Firestick and I have disabled CEC on that, so I’ll see how I go.

Thanks for you help.

That’s not what I was suggesting @Robert100 - it’s a case of leaving Simplink ‘ON’ on the LG TV, but switching off CEC on your ‘other’ HDMI connected devices. So if you have Apple TV for example then switch off CEC in its settings and reboot it… do the same for devices connected to HDMI ports 1, 3 and 4.

Ken_Griffiths

If it resolves your dropout issue, then switch CEC back ‘ON’ on each device, just one at a time, and test for a while to see if the issue returns and if it does, then leave CEC ‘OFF’ on that one device only.

Robert100Author

Contributor I

Thanks Ken, as per post, the only connected device is a Firestick with CEC disabled. SIMPLink still on for above reason.

Ken_Griffiths

Thanks Ken, as per post, the only connected device is a Firestick with CEC disabled. SIMPLink still on for above reason.

Ah sorry I missed the fact you had switched off CEC on your FireStick - I have an LG C9 TV and that has the older FireStick 4K attached and has been fine with CEC enabled with the eARC port on the TV enabled and set to ‘passthrough’ - maybe try the FireStick on a different HDMI port as that can sometimes make a difference in some cases.

Robert100Author

Contributor I

If I still get it, I may just revert to the TV built in Netflix etc. useful to hear that this works with the 4K (which I have) and SIMPLink.

Corry P

Sonos Staff

Hi @Robert100

Welcome to the Sonos Community!

Have you tried unplugging your TV from power for a couple of minutes? If not, I recommend it - it resolves the majority of such cases.

I hope this helps.

"Common sense is the collection of prejudices acquired by age eighteen." - Albert Einstein

Robert100Author

Contributor I

Thanks Corry,

This has been an issue for 2 years, so yes power has been switched off multiple times over that period (including disconnecting to change rooms).

Thanks,

Robert.

Corry P

Sonos Staff

Hi @Robert100

Is there any change if you disconnect the Firestick from the TV?

"Common sense is the collection of prejudices acquired by age eighteen." - Albert Einstein

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