Question about RCA F36650 36" TV

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TV will not power up. Makes a buzzing sound when plugged back in

I turned my tv off before going to bed and the next morning it would not power up using the remote or power button. I unplugged the tv for 1 minute and when plugging back in started making a buzzing sound.

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  • dozer430x Feb 06, 2009

    i shut the tv off went to bed, turned it on the next day will not turn on but makes a busing only when you plug it in. what is the problem?

  • Jayne Donner Oct 05, 2013

    Nothing, no light, no sound at all

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  • Contributor
  • 28 Answers

Replace the Flyback Transformer.

Posted on Feb 03, 2009

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Quasar 1989 tv makes a buzzing motor sound


Hi and welcome to FixYa,

Initially, if you have confirmed that the source of the buzzing sound is from inside the TV, then that would indicate a component about to fail or would need attention. Let us try process of elimination:
  • tuner - most unlikely, the tuner is responsible for selecting the channel. No component/part of the tuner could make such a mechanical buzzing sound;
  • speaker(s) - most unlikely, the speaker could have a buzz but generally would not affect the video nor cause snow (weak TV signals);
  • transformer - a strong possibility although without knowing the exact model, at most generic ideas; power transformer, flyback transformer, horizontal drive transformer (unlikely);
  • arcing - another strong possibility. This could be caused by damp, dusty surroundings of the components especially at the FBT area. Another area that could have adverse effect when dusty/damp would be the anode cap.
This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

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High pitch buzzing.


Hi there
Let's make ur problem a bit clear. "white lines" how? where?
meaning retrace lines with full raster or a single vertical line?
buzzing sound? without even turning the power switch of the TV to "ON" or when u just plug the power cord?
I'll check for schema, mean while can u tell me where the resistor leads to? is it a fusible resistor? if so , to which area the resistor suppliers power?
Regards
Rifaa

Nov 12, 2008 | Zenith C27A24T 27" TV

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