Question about Samsung HCL4715W 47" Rear Projection Television

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My Samsung TV won't turn on. What is the problem?

Everytime i plug in my Samsung 47"TV, the screen wont go on and there is a click every 5 seconds or so with a constant chirping, almost like a bird. Is it an easy fix? and would I be able to try a few things out before having to spend $1000 on a new one. Model: HCL4715W, 1080i, 480p

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  • Andrew Hawkins
    Andrew Hawkins Jan 29, 2009

    I have the same problem. I have a formal electronics background but I don't have any schematics. Thus far I've just been searching the power supply for shorts with out success. If you are familiar with this TV, could you point me in the right direction? Thanks

  • Anonymous Apr 14, 2009

    somebody was messing with my remote trying to get all the functions of my two remotes onto one and now I can't turn on my tv

  • Anonymous Apr 17, 2009

    I have the exact same problem, with a little electrical burn smell!

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The clicking is caused by bad capacitors on the mainboard. It is a known problem that is pretty easy to fix. I have never soldered before and I was able to fix it for about 6 bucks! If you take off the back cover (about 18 screws) the mainboard is right in the middle and in the top right corner are 4 capacitors. They are in a row from top on down. Check to see if any of them are bulged on top and if they are they are bad. All you have to do is go to radio shack and get 10u35 volt capacitors and solder them in to replace the bulged ones. The ones that came with the set are under powered and these will fix the problem. Most people are quoted about $500 or more to fix this when a little work on our own works wonders!! If anyone wants more info I am on facebook! Brian Miller in Wisconsin!

Posted on Apr 24, 2010

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Hello tom3826,

This is a sign that the horizontal output transistor has shorted to ground, and the shutdown circuit is detecting a high current event. If you have a background in electronics, you might be able to replace this component, with the aid of a multimeter, de-soldering tools and a schematic of the TV. If you do not have a background in electronics, I would suggest that you have a qualified TV technician work on your television set. The section in question is the Horizontal/High Voltage Power section.

I hope this helps,

Thank you,

Shuttle83
www.electron-age-technologies-llc.com

Posted on Nov 28, 2008

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I have a samsung HCL4715W the tech came out said that I needed a pcb assembly so I got one and still no change the tv does not respond at all no led on the front or anything what to do now aready in for just about $500.00 part was $230 instalation $100.40 $89 for the dynostics

Posted on Feb 12, 2009

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