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LG UHD TV digital sound out popping noise problem

Krash01

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Krash01 Rookie

Krash01

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Dear Readers,

I've a strange issue that I've been struggling for a week. I bought an LG43UJ634V UHD TV and an LG LHB645N Home Theater in a Box system.
I use HDMI ARC to connect the audio from the TV to receiver. LG has an option to chose between PCM or Auto at the Digital output settings.

If I use the PCM option everything sounds great, but I don't have 5.1, only 2.1.
And here comes the problem. When I choose Auto, 5.1 is on, sounds great but I have occasional popping noise (like when play something on an old LP player) it happens random, but for example during a film, it is very annoying. It happens with YouTube, Netflix, DLNA streaming, external devices, so the content doesn't matter. I think I've tried everything. I tested it with different HDMI cables, optical cable, but still have the problem. I tested it with a sound bar as well, the problem is the same.
When I play content from the receiver, there is no problem, the sound is wonderful, no popping. Also, the TVs speakers are okay.

I don't think it is a hardware issue, because the TV's sound is OK, the home theater's sound is OK, the problem only happens when I want to use the digital output of the TV (either HDMI ARC or Optical) with auto setting.
I called LG as well, the rep. said the she will pass this info to the technical team.

Do you have any idea, that it can be solved, or I need to wait for a software update?

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Krash01
Krash01

Dear Readers,I've a strange issue that I've been struggling for a week. I bought an LG43UJ634V UHD TV and an LG LHB645N Home Theater in a Box system.I use HDMI ARC to connect the audio from the TV to

Krash01
Krash01

Okay, I have searching on the net for a week, and found some posts about this problem (not specifically with LG TVs). All solutions said, that set digital output mode to PCM.  It works for me as well,

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JJ123 Newbie

JJ123

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I'm having the same issue with my 2016 LG OLED 65E6V. It is connected to my Denon AVRX2300W. 

The LG Netflix app has a constantly random ticking/clicking noise when I watch anything on Netflix. In my case is the front left speaker. TV is connected via HDMI ARC to the receiver. 

 

I've tried changing settings, HDMI cables, I even switched the speaker and the new one has the same issue. I've resolved for now to use the Netflix app on my Xbox which is directly connected to the AVR, with no ticks (though the Xbox has an issue with film content filmed at 24fps... It's a separate known issue with the Xbox Netflix app). 

 

Anyways, it's 2019 and this is still an issue?

 

Thank God LG aren't the only OLED makers anymore as my next TV will not be an LG at this rate. I'm very disappointed that LG don't fix this issue. It used to work fine too until about 3 months ago or so.

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bobpoljakov Newbie

bobpoljakov

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Hi, I have an older model, LM620S, it's OS is the one before WebOS, I think it's called NetCast. Same popping sound issue, with a LG home theater system. I've tried every setting, nothing helped, but the issue is not there all the tima, sometime I can hear it, sometime I can't, using the same video file. I'm using Xbox, external media player, internal media player, everything is connected to the TV, then the TV is connected using optical audio to the LG HT806, and HDMI is connected to the ARC from the HT to the TV - just in case I want to play DVDs, and to control the HT using HDMI-CEC. I was hoping that replacing the AVR might help, but thank god I found this forum before spending a 600$ on a new AVR. What makes me really sad is that newer TVs seem to have the same problem - as you've mentioned. My experience - but it might just my imagination, not sure - is that the longer the TV is on, the more possible that the issue will occur. And another fun fact, my girlfriend, and my roommate never recognized, never complained, not even when I'm telling them that there's this weird popping sound, they just don't hear it or don't care... in the meantime, this makes me mad all the time I hear it :D

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Dianne Lonie Rookie

Dianne Lonie

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On 12/6/2017 at 9:21 PM, Krash01 said:

Me too :(.

So I'm not the only one....it's driving me nuts, I hope that LG is gonna fix that soon.

No, I'm having the same problem with my LG 43LF5900 web os. LG advised doing a soft reset (Didn;t work), if not, a hard reset to factory settings, but if it's the software, I'm not going through all that

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Dianne Lonie Rookie

Dianne Lonie

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On 11/21/2017 at 12:11 AM, Krash01 said:

Dear Readers,

I've a strange issue that I've been struggling for a week. I bought an LG43UJ634V UHD TV and an LG LHB645N Home Theater in a Box system.
I use HDMI ARC to connect the audio from the TV to receiver. LG has an option to chose between PCM or Auto at the Digital output settings.

If I use the PCM option everything sounds great, but I don't have 5.1, only 2.1.
And here comes the problem. When I choose Auto, 5.1 is on, sounds great but I have occasional popping noise (like when play something on an old LP player) it happens random, but for example during a film, it is very annoying. It happens with YouTube, Netflix, DLNA streaming, external devices, so the content doesn't matter. I think I've tried everything. I tested it with different HDMI cables, optical cable, but still have the problem. I tested it with a sound bar as well, the problem is the same.
When I play content from the receiver, there is no problem, the sound is wonderful, no popping. Also, the TVs speakers are okay.

I don't think it is a hardware issue, because the TV's sound is OK, the home theater's sound is OK, the problem only happens when I want to use the digital output of the TV (either HDMI ARC or Optical) with auto setting.
I called LG as well, the rep. said the she will pass this info to the technical team.

Do you have any idea, that it can be solved, or I need to wait for a software update?

 

On 6/24/2020 at 6:25 PM, Dianne Lonie said:

No, I'm having the same problem with my LG 43LF5900 web os. LG advised doing a soft reset (Didn't work), if not, a hard reset to factory settings, but if it's the software, I'm not going through all that

 

 

UPDATE=================================================

 

I FNALLY RESET THE WHOLE TV AND THE POPPING MOISE HAS STOPPED COMPLETLY AND MY WIFI DOESN'T DROP ALL THE TIME NOW ALSO

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Dianne Lonie Rookie

Dianne Lonie

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On 6/17/2019 at 7:27 PM, bobpoljakov said:

Hi, I have an older model, LM620S, it's OS is the one before WebOS, I think it's called NetCast. Same popping sound issue, with a LG home theater system. I've tried every setting, nothing helped, but the issue is not there all the tima, sometime I can hear it, sometime I can't, using the same video file. I'm using Xbox, external media player, internal media player, everything is connected to the TV, then the TV is connected using optical audio to the LG HT806, and HDMI is connected to the ARC from the HT to the TV - just in case I want to play DVDs, and to control the HT using HDMI-CEC. I was hoping that replacing the AVR might help, but thank god I found this forum before spending a 600$ on a new AVR. What makes me really sad is that newer TVs seem to have the same problem - as you've mentioned. My experience - but it might just my imagination, not sure - is that the longer the TV is on, the more possible that the issue will occur. And another fun fact, my girlfriend, and my roommate never recognized, never complained, not even when I'm telling them that there's this weird popping sound, they just don't hear it or don't care... in the meantime, this makes me mad all the time I hear it :D

 

 

I FINALLY RESET THE WHOLE TV AND THE POPPING NOISE HAS STOPPED COMPLETLY AND MY WIFI DOESN'T DROP ALL THE TIME NOW ALSO

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