Question about Toshiba 56HM66 56" Projection HDTV

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The picture comes on for a few seconds and then cuts off and then will periodically come on for a few seconds and then cut off again. Will the lamp cause it to do that, or is it a different problem?

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U still have sound throught out the picture cut in and out?Yes,than the two long boards call the LCD inverter boards are dead.Replaced the two long LCD inverter boards will solved this problems.The"LAMP"indication LED light on the screen bazel panel,light up or flahes?Yes,the lamp life span is over,require the lamp replacement.

Posted on Jun 07, 2010

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1 Answer

Picture and sound turn on and off


I believe that model has a logic board in it and that is what it sounds like to me. That is just off top of my head, but I believe if you will notice the standby light it will be blinking so many blinks and stop and then blink again. If so this is a code that you can look up on the Samsung web site and plug in your model and it should tell you what just say ~ 4 blinks means. I worked on so many and it has been a while but I believe the last one I had was a Samsung and I put a logic board in it. If I can be of any further assistance please let me know.

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1 Answer

Cuts off


Hi, tough question, could be lamp, lamp circuit is overheating,t-con module or you have a bad color wheel, the latter usually causes a hi pitched squeal periodically, you have 2 choices, 1. try replacing the lamp 2. call a tech and let them diagnose it, too many possibilities without doing some diagnostics, video-tek

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