Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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Piercing sound while a bit of t.v. watching, we seem to experience a piercing sound in the backroung that sometimes changes pitch when you try and shake the t.v...

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The high pitch squeal you hear is usually caused by a coil vibrating, normally in the horizontal circuit. I've also seen the ferrite bead on the horizontal output transistor do this, but, it is rare. I normally will repair this by finding the coil and "tightening" it. To tighten a coil, technicians use different chemicals, such as, a hot glue gun, rubber silicone or even finger nail polish. I will find the coil that screams by starting with the usual suspects and using a wooden dowel, barely touch the coil and if the pitch of the noise changes, then, thats the coil that needs repaired. If you do not know your way around the inside of a television, I never recommend you do so, since, this procedure must be done with the set turned on and you poke your hands around the inside of the set by the high voltage circuit. Hope this helps your decision.

Posted on Mar 04, 2007

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Funai tv. When plugged in, makes ear piercing high pitched buzz that goes away when unplugged. Will not respond to buttons. No picture or power. Already replaced power board. What now??

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Both of them are refusing to turn on, and make high-pitched sounds when plugged in and unplugged. More about : turning making high pitched ...Missing: ear ‎piercing

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1 Answer

My watch stops working, the mechanism works on motion or kinetics. However, even with a bit of a shake it works for a bit then loses time and stops altogether
It may require rather more than a bit of a shake! Some makers say that you have to swing it gently form side to side for 200-300 times to fully wind up the watch.

I bought one some years ago that didn't work well and I had it cleaned, after which it worked perfectly for years.

If giving your watch the shaking I described above it still does not work, try having it cleaned.

Automatic watches thrive on being used but should run for 2-3 days before stopping.

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