Question about RCA R56WH76 Projection Television

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Screen is pinching

Hi guys, I'm new here and I seem to have a problem with the screen "pinching". Basically, the screen will, for a split second, pinch in the middle and the colors will separate during this pinch and I will get the three RBG images. it will do this for a minute or two and then stop. usually it will do it every other second. It did this for a while about a year ago then stopped and now we are experiencing it again. I have an auto convergence and manual convergence option listed in the menu and also whenever I do an auto convergence it stops at the green square in the top right corner and says that it can't finish because a sensor isn't repsonding. Does anyone know what this could be? Thank you very much!

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You may still have a fl231 fuse type problem. I would first suggest resoldering the flyback connections. dince this happen ever so often it possible a connection problem. If i had it in the shop i woould chek the flat ribbon connectors also. convergence is controled by three board, convergence power, convergence amp and small signal board. since it pinches this is indication of interuption of convergence power supply. the auto convergence not working. is a symptom of small signal board issues. the small signal board requires specal interface equipment to download data off to place on new board. or the sensors arond the screen has failed.

Posted on Dec 10, 2008

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