Question about RCA D56W20 56" Rear Projection Television

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I have a 56 inch rca that blinks three timeswith a humming noise but wont turn on

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The 3 blinks (an error code) and the hum (most likely from the flyback) indicate that the flyback transformer is bad and needs to be replaced as the simple way of putting it (fairly common problem with projection tvs). If you plan on doing it yourself, then you should have some electrical expertise since working in a projection tv like this can be very dangerous otherwise I would go through the local shop. Let me know how this turns out for you.


Benjamin

Posted on Jul 18, 2009

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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
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