Question about RCA P52945 52" Rear Projection Television

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TV will not turn on. No lights anywhere. It is like it has lost all of the power supply. sooner929

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Fuse in power supply board,inside near power cord.

Posted on Mar 01, 2011

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TV Turns on (Blue Light) and then turns off but there is no imagae or sound of Tv Turning On! Nor Backlights turning on!


Sounds like there's a short in the power somewhere. I'd start with unplugging it then checking to make sure all cables and/or cords are properly connected (i.e. make sure there are no loose cords anywhere)

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I have a panasonic TH-C42HD18. Last night a fuse in my fuse box flipped so I lost power to the tv. I reset the fuse (in the fuse box) but now My tv will not turn on. Everything else plugged in to that...


If you have no power light on TV ,then you must have a blowed Fuse on the power supply board.
Check Fuse and check board for Bad Capacitors they will be vented or swollen on Top.
1000uf 16v 2200uf 10v 3300uf 10v.

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Sounds like there is a problem with the power supply. Try unplugging the T.V. and hold the power button for 30 seconds. Plug the T.V. back in and see if that helps. If it doesn't try switching to another outlet, and if that doesn't work then you may need to replace the power supply which would probably cost anywhere from 140 to 200 for one.

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I have a Panasonic 32 inch HDTV. TV worked great until one day tried to turn on and nothing. It acts like it has no electrical power. We have tried plugging into different outlets with no luck. The red...


One simple solution may be to replace the power cable or the power strip that the TV is plugged in to. If you cannot get any power to the TV even after this step, it is most likely a motherboard or some sort of circuitry issue. Make sure you are using the physical buttons on the TV when trying to turn the TV on; leave the remote out of the equation. If it still does not come on, your TV may be far gone. HDTVs have a lifespan these days of anywhere between 3-5 years for plasma, 5-7 years for LCD, and the new LED tvs are supposed to last anywhere between 7-10 years.

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I lost power in my house. I cannot get the TV to power up. Is there a reset button? what do I have to do to get power on the TV? All the other components linked to the TV are working.


Now,there is no power to the tv at all?Yes.Tries tv unplug,replug it back like about and hour later.That the resetting tv back to the factory setting.The tv now should be working again.If tv still have the same result,tv power supply board have problems,that the board,where the power a/c cord plug into it.Check the tv power supply board fuse,because u lost main power to the house.If u lucky,the tv power supply board only have a dead fuse,fuse is near where the power a/c plug,plug into tv to get it power.Fuse can buy it anywhere like Radio Shack like $1.50.After u repalced the fuse,if tv still getting the same result,than sorry ur whole power supply board have problems and it is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

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1 Answer

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The first circuit to be hit is the power supply but depending on the protection built into the unit, it could very well have passed high voltage on to the more delicate (and expensive) small signal circuitry.
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Supplies are normally a separate board that is fitted with plugs making it possible for a DIY replacement. Supply boards can cost anywhere from ~$90 to $175 US.
If you live in a lightning prone area (as we do), I would highly recommend the installation of a 'whole house' surge arrester. With installation, the cost will be under $300 US and units from Intermatic such as ours come with a 5 year warranty and $10,000 in insurance in case the arrester fails to protect your gear.

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The TV needs a fairly stable and well filtered 12V power supply. A jumpstart box is 12V, but is I seriously doubt that it is anywhere near filtered and stable, so most likely you would smoke the TV.

Hooking the TV directly to a 12V battery is just fine, as long as the battery has enough current to run the TV.

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Dead, no power


It sounds like ze power supply blew when it was being turned off. This seems to be typical of plasmas. Bad power supplys wont let the tv come on and will result in no lights coming on. Since there R no lights coming on, I would suspect the power supply first, followed by the power control board,. and circuit board. It may cost anywhere from $250 to $500 to fix.

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after picture is lost, does the screen remain lighting?

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Toshiba TheaterView


Called Tv tech. He said it was the power supply connectivity. common problem in rear projection Tv's. Cost to replace was anywhere between $300.00 and $400.00 dollars. Time for a new tv :-(

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