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Question about Norcent Technologies LT-2722 27 in. LCD Television

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No power to tv

I turned on the tv yesterday only to get a single slight popping sound and then the power to the tv went off. I unplugged the unit for 30 minutes and then replugged it back in to no avail. Is there a fuse that could have shorted out and where would it be located to be replaced. Thank you

Posted by jACK OBEAN on

  • TEC-1 May 06, 2008

    I went to turn on the tv and nothing happend, I cheaked the fuse and it's ok, I tried another cord and nothing. Please help

    Mr. Rosado



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Sometimes, during a thunderstorm a computer or television or gaming console can make a popping noise and be completely fried. And other times it can be protected through a surge protector and no lightning strike it and it still makes a popping noise. I have found out both the hard way. Every so often a television (like in your example) will fry its "motherboard" and the electrical components will be shot. Unfortunately, unless you can find a wiring manual, the best thing in most cases is to just replace the television. If you find a wiring manual check to see if a wire is melted inside the components deck on the back, but please please please and I can't stress it enough, 1) consult your owner's manual or warranty to make sure you're not violating it, thus making your TV a huge paperweight, and 2) be EXTREMELY careful. Wiring is not something any person should attempt without basic knowledge of electronics. I would recommend an electrician friend or someone who knows wiring to look at it, that is if you don't.

Posted on May 01, 2007


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My tv is 3 years old. I was watching it yesterday.Something poped and it went black. what is wropng?

A capacitor shorted (popped) in the power supply then the fuse blew (went black) unplug TV, remove back cover, look for power supply; follow cord to it; find small silver can with top bubbled (bad)
unsolder/replace; replace fuse. plug in turn on.

My tv made a popping sound, the screen went blank

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It sounds like a component overheated and blew. Most likely there will be collateral damage where other components will also be damaged.
The failure could be in the power supply, or in any of the main drive circuits in the set.
You will have to call for a service estimate. In considering the age of this set, my preference would be to go out and get a descent LCD or Plasma set. The picture quality and performance of these new sets are far superior to the one you have!

Jerry G.

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Tv plays sound but no picture or any signs of backlight

This sound is a capcitor pop and this could be in the power supply unit itself. The glass could be a fuse that took the brunt from the capcitor pop.

1. Unplug the unit and do not plug it in.
2. if its under warrenty take it in please!
3. if its not under warrenty and you know eletronics verify what cap popped and replace that and the fuse.
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Good luck I hope this information helps you!!

Btw, I’m available to help over the phone in case u need at



The only solution at this point would be to get the power supply repair since new boards are not longer being manufactured. In about 95% of the time if the LCD doesn't power up or turns OFF by itself or need to be unplug for some time to make work again; those are the symptoms of a dying or defective power supply.
I service these power supplies, for more info write to [email protected]
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