Question about Toshiba 57H82 57" Rear Projection Television

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My Toshiba 57h82 57in. started with little squiggly line at top and over time creep down the whole picture. Noticed the picture started jumping in flashes (ghost like) .Funny thing is Closed Caption comes in clear (?)

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  • Dave Defibaugh Nov 15, 2010

    how do i find the hyper-logic board....is it a pull out board...dont have of alot of electrionics knowledge...is it something attempt ?

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Do you mean to say the line does not pass through the closed caption? If yes then did you try a different input source such as a DVD(I'm assuming that his problem is on tv mode). Also can you please bring up the menu and tell me if it is affected as well?

Sai.

Posted on Nov 16, 2010

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  • Master
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Hi,
Closed caption comes in clear because that's part of the menu software which is 'down-stream video' and its a separate display function from input video processor codecs. Ok here's the deal with your TV problem, the squiggly lines you see are a result of faulty 'Hyper Module' that has around 15 surface-mount electrolytic capacitors that have warped internally (high ESR levels). This is a known problem with this model of TV, the repair its self is easy its just removing the Hyper Module that's tedious. To fix this problem requires removing the hyper-module from the main logic board and replacing around 15 capacitors of equal value and that's it....problem solved.
http://tvtechwork.webs.com/

Posted on Nov 15, 2010

  • Circuit World
    Circuit World Nov 17, 2010

    Hi,



    Sorry about the delay in reply,



    Since this is a rear projection TV your better off getting it serviced from a professional TV technician. These TV's hold a deadly electrical charge even when unplugged, a pro technician will know how to disengage this deadly hazard. Also it will take soldering equipment and skills to remove the Hyper Module successfully with out damage. Then you will need an ESR instrument to interpret which capacitors on the 'hyper module' are faulty. Sometimes the quartz crystals on the hyper modules fracture from physical shock. This will cause a pinkish hue on the screen, meaning the crystals need to be replaced. But overall this repair from a professional is quick and familiar task so it shouldn't take long and shouldn't be expensive.





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