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

2 Answers

RCA D52W20 The TV will not turn on. Using either manual or the remote when turning it on, the green LED light will come on for a few seconds then goes out .... then on and off again twice. The TV will eventually come on by itself but it may take an hour or two for this to happen. Once on it will remain on. I was a TV technician by trade years ago so I may be technically able to repair this with some help. Thanks

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  • richboc Sep 02, 2010

    I am not trying to be sarcastic here but in the years that I have been fixing TV's you should be able to narrow it down a bit more than that. Generally speaking, when a certain model of television has an adherant problem like this one does it is the fault of one or two components be it a ceramic capacitor in the high voltage circuit that may have changed value or a resistor that has gone high or opened . The set is six years old so the fix must be out there some where. Thanks.

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  • RCA Master
  • 12,061 Answers

Hi, well if you were a TV service man then like me you understand the enormity of the task ahead. RPTV's are just the hardest ones to service,as you most likely remember.
Before you can even contemplate attempting repair one MUST obtain a service manual.
Your problem, has to do with your PSU, and/or something causerie it to be Shut Down, I would also think that the problem is Thermal too. So you maybe able to find your faulty components by using Freeze spray, on suspected components.
We call the problem you are having a Hic-upping Power Supply. This is usually caused by a component, that works, initially, until it heats up, then it fails, then, because the power is removed, it cools down, and the set then powers on again, the components heats up, and it shuts down, this cycle is repeated, over and over, until it fails completely, usually. Sometimes it will even go for a bit, and then fail.
using the freeze spray when you chill the correct component, the "Fault" will clear, and stay clear until the suspect component heats up again, so this is well worth a try.
Another thing to remember is , Are your Voltages correct, you MUST check all voltages against the service manual reference voltages, checking these and making them correct will usually clear the fault.
If you find the DIY'ing isn't the way to go. Then please contact an RCA head or local office and ask them for a referral to an authorised service center, when there ask them for a "Quote" before allowing any repair work to commence, this way you can make an informed decision as to what to do, repair or replace.

Posted on Sep 03, 2010

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  • RCA Master
  • 6,993 Answers

Hi,

your TV is having a power problem. The power supply board is defective that's why the TV won't power up. Its receiving power but it cannot transfer the current to the necessary part of the TV because a capacitor, diode, etc may have been faulty. Until these bad components are replaced, the TV might not come on.

If you know about TV repairers, I would suggest that you open the TV and read the power board/panel with a meter, detect the bad component and replace it. Take note that TV stores a lot of current that can shock, so leave the TV for a while before you open it.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you.


Good luck.

Posted on Sep 02, 2010

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Posted on Jan 02, 2017

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