Why are CRT TVs & Monitors noisy? - Can we fix it?

I was tuning in a Sony PVM 1953MD CRT recently. It had a lot of extra High Frequency noise coming from the monitor. In this video I go through a couple steps on how I reduced the CRT noise and discuss what makes CRTs so noisy in the first place. Thanks for watching.

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[ThriftyAV]

There was a store I didn't like to go in as a child because of CRT squeal... My Mother barely heard it.

[sumobast]

Unfortunately I'm so old I couldn't hear any noise :)

[KWKBOX]

I always wanted to know what caused that noise. Damn loud ass transformers. Great video!

[protistman]

Thanks for taking the time to make these educational CRT videos Steve!

[papasitodonkey]

My friends and I were playing Melee on CRT. They said that they heard a noise, though at the moment I couldn't understand what they were meaning. At about 4:15 I could he the frequency, so I guess it's different on different model CRT Tv's. Nice video Steve!!

[Charlie-Cat.]

I can tell you one thing Steve, those sounds use to drive me bonkers! Sometimes I would have to leave the room and get some fresh air because on that annoying sounds they made. Believe me bro, I don't miss those days on classic CRT units that's for sure. 8^(

But of course, we have great fella like you to help take care of the problem. Thank you bro. 8^)

Anthony..

[nabifuhu]

I always heard it. Nobody else did. They give me big headaches .

[stevennorton]

If only I knew how to solder, great info Steve! Getting back into these TV's reminded me how that noise can be a bother. I think some adjusting needs to be kept in mind if hearing these things has not happened in years. When I'm gaming I never notice it anymore.

[-K_J-]

For some reason the sound a crt make is very comforting to me. I am autistic and have some auditory sensitivity, though I'm not sure if I hear it better than others or not. But sometimes I hook up the old hello kitty mini tv with my ps1 and go back to the time when I'd hear it almost every day. Its weirdly comforting

[toto]

Today I learned that the high-pitched squealing from TV back in the day wasn't because that's how all CRT TVs sounds like, it's because it'd old! Now I have tinnitus with the exact same frequency as that CRT TV. I wonder if the TV caused the tinnitus over the years or if the tinnitus was amplifying the TV's noise.

[The_Hanter]

That high pitched noise can also come from deflection yoke that's working at 15, 5 kHz

[ajpello]

This is now the frequency of the tinnitus I developed almost 2 weeks ago. The 90s will never leave me now

[Swack]

I never really really knew what specifically caused it. I just basically thought it was a build up of things making it because its old technology. Thanks for the info on it!

[kristophertadlock]

Thanks for this. I have my Sony Trinitron open right now and it is a squealer! Going to try these repairs and see what I get.

[lullylew]

Awesome stuff. I've been very lucky with my CRT tvs over the years. I hadn't experienced anything like this until a recent Panasonic Quintrix pickup.

[bigupbassline]

tip: most headphones will completely get rid of this noise, even ones without active noise cancelling
however some older CRTs output this noise through the headphone output

[johndavidhemby]

I was playing Sonic CD on my Sega CD & on Stardust Speedway, I paused it & after hearing the buzzing noise I came & found this video & I was shocked that you used Sonic CD Music, anyway excellent Video👍

[boogiemanspud]

I had a trinitron flatscreen consumer tv, the case was picking up noise and creating a feedback loop, like harmonics on a guitar. The flyback bolted directly to the case. I put some soft foam washers between the flyback and the case, solved the problem.

[Nitroce]

I've never heard it out of a CRT computer monitor, but that could be because perhaps by the time I was born the ones that made the noise were being phased out? I've always heard it from TVs, though, and I can still hear the frequency clearly at 32 now. I've always hated this sound, and was happy to take the trade-offs from early LCD panels for televisions.

[humphrex]

I remember the noise when i was a kid. you could hear the tv was running a few rooms away, even when it was silent. Now i can barely hear it (in this vid)