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Why do my TV's speakers buzz?
DrFrylock
Registered User regular
Registered User regular
I have a good'ol 27" Sony Trinitron CRT. The casing is made of black plastic. The glass on the screen is not perfectly flat. It displays only...*gasp* standard-definition signals. Its most advanced input is an S-video jack.
The picture on it is great. However, whenever it's on, there's a constant buzz coming from the speakers, even if the volume is turned all the way down. Additionally, the volume doesn't scale right - from 1 to 3 bars of volume are nearly completely silent and 4 is much, much louder. It scales normally from there. The buzzing is loud enough that at a normally comfortable hearing volume, the buzzing drowns out the actual sound. The buzzing does not get louder or quieter as I adjust the TV volume. It does not matter what the signal source is, or if there is a signal at all. It does not matter if I move the TV.
I don't know if the volume scaling problem and the buzzing are related, but friends of mine have similar models of Sony Trinitron TVs and don't have either problem.
Normally I would just use some external speakers, but as I said the speakers buzz whether the volume is up or not.
I have used my substantial Google-fu to see if this is a common TV problem but I can't find anybody else that describes exactly the same thing, and most things that cause TVs to buzz are either 1) not the speakers or 2) are the speakers, but scale with volume or they depend on the incoming signal.
Anybody have a clue what this is? It's really been driving me nuts for the last two years and I thought maybe I should attempt to remedy it.
The picture on it is great. However, whenever it's on, there's a constant buzz coming from the speakers, even if the volume is turned all the way down. Additionally, the volume doesn't scale right - from 1 to 3 bars of volume are nearly completely silent and 4 is much, much louder. It scales normally from there. The buzzing is loud enough that at a normally comfortable hearing volume, the buzzing drowns out the actual sound. The buzzing does not get louder or quieter as I adjust the TV volume. It does not matter what the signal source is, or if there is a signal at all. It does not matter if I move the TV.
I don't know if the volume scaling problem and the buzzing are related, but friends of mine have similar models of Sony Trinitron TVs and don't have either problem.
Normally I would just use some external speakers, but as I said the speakers buzz whether the volume is up or not.
I have used my substantial Google-fu to see if this is a common TV problem but I can't find anybody else that describes exactly the same thing, and most things that cause TVs to buzz are either 1) not the speakers or 2) are the speakers, but scale with volume or they depend on the incoming signal.
Anybody have a clue what this is? It's really been driving me nuts for the last two years and I thought maybe I should attempt to remedy it.
DrFrylock on
0
Posts
Is there a way to disable the speakers entirely? I have a TV that has a speaker buzz, no matter what volume I had it at (even mute), but I found an option to TURN OFF the speakers. So I'm using external speakers with no buzz now.
To add to my post:
Have you tried using any of the audio out functions? This may also be a way to disable the speakers, should there not be a menu option, thus eliminating buzz.
Warframe: TheBaconDwarf
I understand the economics of getting a new, er, used 27" TV from Craigslist here, I do. However, other than this one problem this is a perfectly good 60 pound piece of electronic equipment and I sort of feel like if this isn't a $200 flyback transformer I should at least attempt to fix it - or, well, have it fixed.
Warframe: TheBaconDwarf
The only reason I'm not suggesting you just open it up and desolder/clip the wires yourself is that TVs have components inside them that can kill or seriously injure you if you don't know what you're doing, even if they've been unplugged for a considerable time.
http://www.thelostworlds.net/