Question about Projection Televisions
Convergence amp ic bad
Or send to ptscorp.com
please mark the post with a fixya
Posted on Feb 21, 2008
What you have is a convergence problem.
There is 2 modules inside your set that aligns the colors to have the same geometry and superposed .
It is a common problem in rear projection tvs ,
You don`t have to worry about your blue tube , i`m sure it is perfectly fine, it just needs to be aligned through the convergence circuit.
Most often the problem is with those convergence modules that are faulty and need to be replaced.
Hope this will help good luck
Posted on Dec 07, 2009
Ur convergence is dead.Must replaced the 2 convergence ICS and all it resistors.The shop will cost U $300 for parts and parts.
Posted on Feb 10, 2010
Hi,Yes your problem sounds like the DMD board.This is how it works: http://electronics.howstuffworks.com/dlp1.htm Basically the light of the lamp goes through a tunnel that carries a color wheel(rotating disc with a gamma of colors that creates the colors on your tv)then the light of the lamp goes through the DMD board which is a chip composed of around 2 million pixels that creates the images and colors.When it starts to fail it will create black bars,pixelation,color distortion or white dots on screens. Here's a video that will help you find where the DMd chip is located : http://www.youtube.com/watch?v=0jr_9A5Xd2Q Have a blessed one!
Posted on Apr 30, 2010
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