Question about Sharp 32C-240 32" TV

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Beeping sound, no picture, no sound(sharp 32'' tv)

No picture, no sound only a beeping(chirping noise) ???

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  • misabell Feb 04, 2009

    I have the same TV with the same problem did you happen to find out what is making this happen?

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6 Suggested Answers

  • 236 Answers

SOURCE: RCA 32 in TV no picture no sound just a beeping noise TV power is on

You have a bad flyback transformer and shorted horizontal output transistor. Your set would have to be taken to a shop to have these parts replaced. Stargazer

Posted on Aug 10, 2007

bluenadas
  • 203 Answers

SOURCE: Sharp 32 in 4 year old tv

There are a few things that can cause that. Pretty much the TV is shutting itself down because it recognizes and issue in one of a few circuits. If you're getting a flash and then it cuts off my first guess would be a vertical issue. May be best to take it in to a repair center and have them take a look at it. Shouldn't be any more than $20 for a diagnostic check on the unit.

Posted on Nov 19, 2007

Shuttle83
  • 1139 Answers

SOURCE: RCA 32 in TV no picture no sound just a beeping noise TV power is on

Hello cote,

This indicates a problem in the power supply either the low voltage switching supply or the High voltage power supply. The sounds you hear is the shutdown circuit activating, I would not suggest that you try to repair this problem because of the dangers involved. I would suggest that you take it to a qualified TV repair shop. This problem should not cost you much, however it is the best choice for the problem you described.

I hope this helps,
Thank you,
Shuttle83

Posted on Mar 24, 2008

  • 1 Answer

SOURCE: Adding Surround Sound to Sharp 32R-S50 32" TV

The sockets on the front are video input and audio output (left and right). It may not look too elegant, but you can plug your stereo lines in the front.

Posted on Jun 29, 2008

  • 142 Answers

SOURCE: high pitch

I have never heard a tube make noise when there is a good picture. Anyway, the noise has to be a transformer ringing or oscilating. They make a high pitched squeal when they have a loose winding or their cover is loose. You probably won't be able to feel or see anything loose on these transformers The power supply switching transformer is the first to look at. Take a hot glue gun and just cover the thing...especially at the base of it. The next (and only other) one is the horizontal drive transformer.It is located close to the high voltage transformer( biggest thing on board and usually in back or corner of the PCB.This one wont squeal) The horizontal drive transformer is about the size of a large marble and is encased in a black plastic cover. Cover it with hot glue also.
If you take the back off you will probably be able to localize where the squeal is coming from. You will probably need a signal to hear the noise also. After you find where it is coming from UNPLUG the set before doing any hot gluing!!!!
If you 're not up to this procedure take it to a technician. Your tube is not going bad and the set is definitly worth repair. Simple fix!! Good Luck!!

barneyluc

Posted on Oct 03, 2008

  • 159 Answers

SOURCE: RCA 32 in TV no picture no sound just a beeping noise TV power is on

the tv has one part of the power supply working this is needed to have the microcontroller ready to work. But the tv needs more than that for work im talking 'bout the high voltage power supply who is now damaged. the parts required depends on the diagnosis in the bench but at least two are needed. the cost of this repair of course depends in how many parts are going to be replaced, but i concider this repair kind of average in this technology.

Posted on Apr 13, 2009

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Hello cote,

This indicates a problem in the power supply either the low voltage switching supply or the High voltage power supply. The sounds you hear is the shutdown circuit activating, I would not suggest that you try to repair this problem because of the dangers involved. I would suggest that you take it to a qualified TV repair shop. This problem should not cost you much, however it is the best choice for the problem you described.

I hope this helps,
Thank you,
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You have a bad flyback transformer and shorted horizontal output transistor. Your set would have to be taken to a shop to have these parts replaced. Stargazer

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It sounds like you may be on the right track. Also you could have a problem in your Horizontal Deflection circuit. Since you say it flickered, you may have a solder joint that was arcing. Probably in the horizontal circuit. I found a capacitor which was arcing in this circuit. I was a small disk type. NOW since it is chirping, the horizontal output transistor may have shorted placing too much of a load on your power supply. The noise you hear is the power suppply trying to start. Stargazer

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