Question about Toshiba 50HX70 50" Rear Projection Television

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50hx70 picture color stream hd1. when i go to the covergence it does not let me centralise the red color. what part do i need to purchase? for this problem to be resolved.

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You need to replace both the convergence ICs number STK392-110 you can get replacement ICs at the following link and they provide free instalation instructions with pics so you can do the repair yourself. Heres the link.
http://servicemanuals.vstore.ca/

Posted on May 29, 2008

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Magic Focus button will not line up picture. Red and green colors shadow images.


The tv have a problems known as a convergence picture problems it is dead.The tv have any colors lines like R,G,B mis alignments,tv have any colors shadows pictures or 3D pictures look alike?Yes,than the tv convergence board it is dead and the causes of these problems.The tv convergence board must have to repair like replacing like 2 STk covergence ICS and some or all of it resistors too.To fixed the tv convegence board to solved the tv convergence picture problems.The tvs shops will cost u like $300-350 for parts and labors.

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My Mitsu rear-projection WS-B55 was purchased in '03 or so. Now the screen is sometimes turning red. I can do a system reset, and the color goes back to normal. Then it eventually (maybe days later)...


No,pictures go all red?Pictures have colors shaded shadows or 3D pictures look alike?Yes,than the tv it is developing a problem known as a convergence problems it dying.The tv convergence board have problems,must be resoldering those 2 or replaced 2 STK covergence ICS and some or all of it resistors too.To fixed the tv convergence board,to solved the convergence picture problems.The shop,will cost u like $300-350 for diagnose the problems and do all the resoldering work or replaces those parts on the tv convergence board.

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1 Answer

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wondreful to hear from you friend. i would like to know if you are having more problems besides the red color. i want to say you need to spruce up your convergence, but i could use more information. does the picture seemsomewhat blurry or does the images double some. if so then i would get me a covergence kit at tvrepairworld.com. if not then i would purchase a fluid change kit at tvrepairkits.com they will send you a kit with downloadable easy to follow instructions. i hope these instructions help. please rate my solution.

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check for solder bridging between the IC pins. also make sure the wire connections are back in the proper locations

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1 Answer

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Convergance IC replace.
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

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1 Answer

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more then likely you are using component input if you are check to make shore they are hooked up correctly red to red green to green and blue to blue if they are you might have a bad cable I have not seen a color stream board bad yet

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1 Answer

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press and hold menu then push power then volume.

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1 Answer

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replace convergence ic,s part # stk392-110, you will need two of them.

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