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I need circuit diagram fo lg color tv model number rt 44na11t

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6ya6ya
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Posted on Jan 02, 2017

ladywinn
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SOURCE: Our L.G tv ( model RT-44NA11T)has color problems.

If your TV is not DLP, replace STK ICs convergence.will have part # ON THEM . Projection has 3 tubes a red/ a blue and a green TUBE ---DLP has 1 Lamp.

Posted on Sep 18, 2009

ladywinn
  • 5138 Answers

SOURCE: no picture on lg tv projection, 3 tubes for red ,

Zenith Exchange Moduels 1-800-632-6637
Power Supply board is what you need to replace,Most of these Models had bad FBT and in the long run instead of trying to fix with minor Parts and that may not FIX the Problem costing more money,Its Cheaper to just replace the Power Supply board that has FBT flyback Transfomer on it.

Posted on Oct 27, 2010

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http://www.youtube.com/watch?v=esk4nYZKFcg
enjoy the groovy music on the video

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Hi, i have an LG plasma, model number RT-42PX11.


You need to pull the power supply out and replace the damaged caps on the board. Look for swollen, pushed up tops and leakage around the base of the caps.

You need soldering and basic electronics skills. You also need to pull apart that big tv and pull the power supply board!

You can look on Ebay for pullout boards from people who have broken their screens. It can get you a working board for cheap sometimes!

Good luck and be careful!

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1 Answer

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I have a similar problem with an LG (except my red is the one that is fine) and was able to talk to a tech in some detail about it. The tech prefaced by saying that he had done a hundred or so of these with exactly the same issue. This is very common and the life span of rear projection televisions is not great. Having said that, plasmas and LCDs are also limited in life span mostly due to modern high performance gaming machines which shorten the lifespan of monitors both plasma and LCD alike.

From what I have gathered, this is not a problem that you can easliy sort out. (Of course they would say that though) It involves replacing the digital board which means soldering followed by aligning the lamps which requires quote a lot of expertise.

The part itself apparently costs around $200 Australian and the labour will vary for the cost of the technician but I was quoted that the labour was about the same cost as the part.

Not sure if I would call this solved but I hope it has been at least a little helpful.


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