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Discussion Starter #1
my 1 1/2 yr old SONY tv has recently developed this high frequency pitch noise when I turn it on. It tends to go away in a minute or two. It's not from the speaker because when I mute the volume, the pitch can still be heard.

It's not a loud pitch, but it's certainly audible. I see no visual distortions or other problems. The TV functions properly.


I wonder what this high frequency pitch is and if it's indicative of any forth coming problems.


the warranty just expired on me so I hope it's not a big deal.


Thanks.
 

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Discussion Starter #3
no!!


i hate it bad things happen when the warranty has just crapped out on me


how much would it cost to replace the whatever that's causing the problem?


thanx.
 

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Thats usually the flyback transformer mechanically ringing at 15.75Khz, not a serious problem. Once you get a little older you won't be able to hear that high a frequency.
 
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