Horrendously loud and random popping noise from LG SL8YG soundbar paired with LG C9 OLED after lastest 04.71.05 software update.

C

CypherMax

Junior Audioholic
Update: I replaced both Audio Quest cables with monoprice cables. Ran the same HDMI test that said the old cables were bad and it said new cables were no good too... Nevertheless the tested a couple movies and shows from the affected streaming apps and noise has not reoccured! I also did a factory reset on the sound bar for good measure. Hopefully it stays fixed, thanks for all the help!
 
lovinthehd

lovinthehd

Audioholic Slumlord
Update: I replaced both Audio Quest cables with monoprice cables. Ran the same HDMI test that said the old cables were bad and it said new cables were no good too... Nevertheless the tested a couple movies and shows from the affected streaming apps and noise has not reoccured! I also did a factory reset on the sound bar for good measure. Hopefully it stays fixed, thanks for all the help!
Curious, just what is that diagnosis routine in the tv determining about the cable? What part of its performance makes it no good?
 
TLS Guy

TLS Guy

Audioholic Slumlord
Update: I replaced both Audio Quest cables with monoprice cables. Ran the same HDMI test that said the old cables were bad and it said new cables were no good too... Nevertheless the tested a couple movies and shows from the affected streaming apps and noise has not reoccured! I also did a factory reset on the sound bar for good measure. Hopefully it stays fixed, thanks for all the help!
How long are your HDMI cables? If a cable is 25' or more they need to be active or hybrid fiber/copper. Also HDMI cables are fragile and you have to pull them gently. In wall they need to be in conduit. Tech tubes are an easy way to go. After that it is easy to pull new cables.
 
lovinthehd

lovinthehd

Audioholic Slumlord
How long are your HDMI cables? If a cable is 25' or more they need to be active or hybrid fiber/copper. Also HDMI cables are fragile and you have to pull them gently. In wall they need to be in conduit. Tech tubes are an easy way to go. After that it is easy to pull new cables.
Why would there be a long cable like that on a soundbar/tv combo?
 
C

CypherMax

Junior Audioholic
So, the diagnosis menu is buried in settings. General, about tv, more help, diagnosis. Old cables we 6 feet which was just long enough, new cables are 10 feet so there is absolutely not stress at any connections.
 
everettT

everettT

Audioholic Ninja
So, the diagnosis menu is buried in settings. General, about tv, more help, diagnosis. Old cables we 6 feet which was just long enough, new cables are 10 feet so there is absolutely not stress at any connections.
That's why I mentioned a pin being damaged earlier. The service menu will have full diagnostics

"Service Menu Code For LG TV:
Press and hold <OK> buttons on remote as well as TV panel for a few seconds and the service menu will appear on your TV screen. For some TV models, you might need to press "Menu" buttons on remote and TV panel simultaneously for a few seconds to access the service menu."

That might not be the one for your model, but try it. Just dont change anything in there if you don't know what you're doing.
 
highfigh

highfigh

Audioholic Overlord
I would check the TVs audio settings- they often have different sound modes and it may have some that accentuate the low end and it probably treats the sound bar like a farm animal.
 
J

Jennglans

Audiophyte
Is it the same sound that I have here going on?

It's been also happening since a week ago for me on a OLED C7 with a SL10YG soundbar connected. It's driving me crazy to be honest.

It only happens when the soundbar is in "movie"-preset, meaning the voices are louder. And to be honest it's the best mode to watch anything.

Edit: I read other comments about HDMI cables. I unplugged everything connected to the soundbar and switched up the HDMI cable with a new 2.1 (1.5m). Nothing changed.
 
S

sk0rpan

Audiophyte
Is it the same sound that I have here going on?

It's been also happening since a week ago for me on a OLED C7 with a SL10YG soundbar connected. It's driving me crazy to be honest.

It only happens when the soundbar is in "movie"-preset, meaning the voices are louder. And to be honest it's the best mode to watch anything.

Edit: I read other comments about HDMI cables. I unplugged everything connected to the soundbar and switched up the HDMI cable with a new 2.1 (1.5m). Nothing changed.
Hey!
I just spoke to LG in Sweden and they had me and some other guy that were calling about the same thing, they also had some guy on the soundbar department that had heard of this. They are looking in to it right now! Hopefully they'll find something useful, ill talk post here as soon as i know more!
 
S

sk0rpan

Audiophyte
Hey all! Today when I got home I connected to Google Home App (havent done that earlier with my soundbar) and it found an update during the setup and after this it seems to work good for me again. I watched netflix on my TVs built in app with sound mode MOVIE without any of that weird high pitched sound. Havent done anything else, but now it seems to work perfect again! I have the LG SL9YG soundbar and SM8500 TV!
 
S

sk0rpan

Audiophyte
Is it the same sound that I have here going on?

It's been also happening since a week ago for me on a OLED C7 with a SL10YG soundbar connected. It's driving me crazy to be honest.

It only happens when the soundbar is in "movie"-preset, meaning the voices are louder. And to be honest it's the best mode to watch anything.

Edit: I read other comments about HDMI cables. I unplugged everything connected to the soundbar and switched up the HDMI cable with a new 2.1 (1.5m). Nothing changed.
Look at my latest reply, might work for you too! :)
 
T

TheMagicFrog

Audiophyte
H
Hey all! Today when I got home I connected to Google Home App (havent done that earlier with my soundbar) and it found an update during the setup and after this it seems to work good for me again. I watched netflix on my TVs built in app with sound mode MOVIE without any of that weird high pitched sound. Havent done anything else, but now it seems to work perfect again! I have the LG SL9YG soundbar and SM8500 TV!
Hi there, I’ve has the same problem with my SL8YG connected to an Xbox One X via HDMI and an LG SK8500 TV via ARC.

Xbox - this started several months ago, and seemed to occur only when the audio output from the console was set to Dolby Atmos. Switching it to Uncompressed 5.1 / 7.1 appeared to stop the issue, but it was only after swopping the HDMI cables with the one between TV and soundbar did the issue stop, even with the Xbox outputting Atmos.

However this issue just re-emerged today, except the popping sound also now occurs when watching the Netflix app on the TV (audio output set to ARC / Auto), along with the previous Xbox issue!

Is there a way to force a firmware update of the soundbar, assuming there is one out? I tried searching on the support forums but can’t find any, and starting the Google Home app doesn’t trigger any update either.
 

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