Question about RCA 27R410T 27" TV

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RCA 27r410t 27" won't turn on,just makes high pitch noise

I have an RCA model 27r410t 27" tv that is just under 3 years old. It was working just fine and then the picture went out,came back in & went out all within a few seconds. Now the unit just makes a constant high pitched sound that only stops if I unplug the unit. Does anyone know if this is worth repairing or not. If it is a matter of bad solder joints I would have no problem fixing it. Any suggestions before I buy another tv??

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  • Tony Humphries Jun 04, 2007

    Thanks for the feedback! Snakehead, do you know where I can get the schematic for this unit or can you tell me where the flyback & Hot or located on the board? Thanks again.

  • bignate Mar 17, 2008

    can anyone tell me where these are so i can replace them

  • Shannon
    Shannon Sep 02, 2008

    My Tv is about 4 years old,never had a problem till yesterday, I was watching a movie then all of a sudden the Tv shut off, and wont turn back on . But now it makes a high pitch sound that it never did before and the only way to stop it is to unplug it.

  • COACH_RELL Dec 17, 2008


  • COACH_RELL Dec 17, 2008




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That high pitch is comming from the flyback replace the flyback and the HOT.and you will restore back the life of your tv.good luck.

Posted on Jun 04, 2007

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If you are fimniliar with TV fixing you should check its secondary supply may be the H out is short or some thing short there if you have schimatic its much easier to rectify.

Posted on Jun 04, 2007


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My sansui tv makes a loud high pitch noise. I have had it 3 years, it is a a riging noise, and hard to hear the tv shows. what do i do?

ever since for ever, ive always heard a loudish high pitched ring from analog tv's. e.g. i would know a tv was on in another room even if it was muted. ive told other people about it but they dont seem to hear what i hear. so im gonna geuss either

a. analog tv's all make that noise to a verying degree but most people just dont notice it or subconciously cancle it out as normal.

b. its a kind of hyper sensitivity to high pitched noise, in essence, tinitus.

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I have a 27 inches RCA TV (model:27R410T) , Firstable when i turn the tv on ,it works fine but just for about 2 minutes , after that video has gone , no video only audio ,and start changing channels...

It maybe some semiconductor IC got hot, need service or repair. It may repair itself if you leave it on standby for a month(at operating temprature a week)? This is low tempeature(the lower the temperature the longer the time) annealing or moisture curing technology, used by Nasa on transistor failure in satellites, or long range unmanned vehicles. You can always repair the unit later.

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27R410T 27" TV: our RCA Model 27R410T has maybe 20 hrs of total us...

Ok, well the good news is prize or NOT it is still covered by a warranty, that's the law, you need to contact your local RCA office, and ask them for a referral to an Authorised service center, and you will be able to make a claim, and in any event, that's where you are going to have to take it to be repaired in any event. The Consumer Act, indicates that anything sold must be of "Merchantable" quality, clearly any unit that fails after less than 24 hours use, falls into that definition. You simply have to find a Dealer, Service center, whatever, and in all fairness, they should take care of it, there may be some costs involved, but usually not. Below is a technical Service manual, this is what I use to train the engineers to repair these units, have a look,

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Symptoms of a Defective or dying Power supplies on LCD TVs.
1. Light(s) on the front panel are behaving not normal example, blinking, amber color or not steady, fainting, etc.
2. TV not turning ON properly.
3. TV turns OFF by itself.
4. Needs to be unplug to many times to make it work.
5. Humming or high pitch noise heard through speakers or at the back of the TV.

I repair these power supplies. Write to if you require further assistance

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High pitch noise

what you are hearing is the mechanical vibrating of coils & or transformers in the tv. 1st and easyest is to hot glue the parts that is making the noise down. if that does not work, removing & reinstalling the part is next. the last is replacement. the most likely parts causing is the 1. horizontal linearity coil, 2. the run or switch mode transformer, or 3. the flyback transformer. good luck.

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