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My toshiba 40h80 tv has no pic but sound what is the problem?

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That is a projection TV and the lamp in the projector is probably burnt out. Look online for a replacement. Good Luck.

Posted on Nov 20, 2009

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Posted on Jan 02, 2017

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Sound, No Picture


The only thing you can do is to unplug the tv for 30 min. Then turn it back on and see if that fixed it. If not call a repair man, you are most likely missing a power supply voltage or deflection voltage.

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TOSHIBA 40H80 projection TV - no sound / no picture


it could be, that would be the first thing i would do to rule out I would first check for loose connections on the board.

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1 Answer

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You are having a high voltage problem. Quite possibly in the horizontal deflection. I would check the horizontal output and regulator transistors.

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you didnt say if the set was working?? if its not I would first try the power regulator IC in the power supply It will start with an STR#####.. This goes bad alot in these sets. Good luck

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Sounds like you have a bad tuner. It is not uncommon for solder joints to deteriorate over a period of time and loose continuity. If you are handy with a soldering iron, you can try to fix it yourself but I really recommend leaving it to a professional.

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