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What you are hearing is the 15,734 hertz oscillator frequency ringing in one of the coils or coming from the high voltage transformer. (Sounds like an RCA set, by the way). If it's bothering you to the point of distraction you may want to have it serviced. This is the time when an extended warranty may come in handy. You can either ask the technician to track it down to the actual part causing the noise, or the technician may, at his option, just replace the entire circuit board, which could be expensive.
What else can I help you with?
What would cause a grinding noise after a tire is replaced?
What would cause a grinding noise after a tire is replaced and the brakes are not worn?
What would cause juddering noise on car?
cold engine
What would cause a whistling noise in a 1994 Pontiac grand am?
A whistling noise indicates a vacuum leak.
Why cant headphones cancel vuvuzelas noise?
You can see why noise like vuvuzela noise, or other very loud noise are not cancelled by most or all headphones and what types of headphones would do it's best to cancel such noise here: electronics.howstuffworks .com/gadgets/audio-music/noise-canceling-headphone3.htm You can also learn how to try and rid yourself of such noise from your TV here: wikihow .com/Filter-the-Vuvuzela-Noise
What is the blues harp music Joe's crab shack TV commercial?
That is the most horrid dissonant noise ever. If anyone made that noise within 20 feet of me, I would make them eat their harmonica.
What would cause a small whirring noise while driving?
Brakes
What would cause a knocking noise when you turn your wheel?
Power Steering?
What would cause a Clunking noise and vibration noise when turning and going over bumps?
loose or bad u joints.
What would cause a knocking noise in my automatic transmission when in a idle but goes away when you give it gas?
what would cause a knockings noise in my boat 3560- 2004 transmission when in idle goes away when you give it gas
What would cause a clicking noise when starting a Kia Sedona?
dead battery
What would cause a rotational noise when the car is coming to a stop?
Have the brakes checked.
What would cause a ticking noise on a 2002 Chevrolet Silverado?
SEAT BELT
