Question about Toshiba 43H72 43" Rear Projection Television

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Toshiba 43H72 My screen is like watching a 3d movie without having the glasses on. Is there a certain part I need to have or what?

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  • lars08 May 20, 2008

    which circuit board do we have to take out?

  • lars08 May 20, 2008

    Do I have to take a circuit board out, and if so which one?

  • lars08 May 21, 2008

    which circuit board do I haveto take out?

  • lars08 May 25, 2008

    I received my convergence ICs and I received no instructions on how to install them. Is there any way that you could help me with this so I can get it fixed. I need to know what circuit board I have to take out to find what I am looking for. Please help me. Thanks for your help.

  • lars08 May 26, 2008

    We got the new STK's and can see where the old ones are, but we can't figure out how to get to them. There are two large 8" square rectangular silver plates about 3/4" thick that are in the way. Suggestions?


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You need to replace both convergence ICs they are STK392-110 you can get new replacements at the following link and they provide free instalation instructions with pictures so you can do the repair yourself in about a half an hour. You need to replace both ICs same numbers STK392-110. Heres the link.

Posted on May 20, 2008

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  • Sonny Berry
    Sonny Berry May 20, 2008

    You will notice a two large ICs attached to large aluminum heat sinks the ICs look like this.

  • Sonny Berry
    Sonny Berry May 21, 2008

    The signal board its the large board that doesnt have the HV generator on it

  • Sonny Berry
    Sonny Berry May 25, 2008

    Did you get the from the link I posted? If so go to their site and leave an email and they will send the instructions

  • Sonny Berry
    Sonny Berry May 26, 2008

    Those are the heat sinks. the board should just be secured with screws around the perimeter


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1 Answer

Looks like 3D with out the glasses

you need the phillips dptv 305 - dptv345 chassis convergence repair kit which contains both convergence ics and all feed resistors and also free installation instructions with pictures. heres the link.

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Picture in 3d without the 3d glasses

Replace 2 convergence chips, will start with stk ###-###

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Shadow on screen. Looks like you're watching a 3D movie without the glasses.

youre convergence ICs need replacement, please respond to this same post with your model number and I will post the correct ICs for your set.

Sep 04, 2008 | Televison & Video

1 Answer

Looks like watching 3D movie(colors) and rounded

This is a convergence problem and is either bad connections on the convergence ICs or defective ICs. If you feel that you can solder, you should be able to repair this yourself. First try resoldering the pins on the convergence ICs. If that fails, replace the ICs. These ICs are large black ICs attached to a heatsink and should be marked STKxxx.
Keep us posted.

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Looks like watching 3D movie(colors) and rounded

convergence IC.s replacement and realigment job for expert technician no to expensive job

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