Question about Toshiba 57H81 57" Rear Projection Television

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Has no picture

My toshiba 40H80 has no picture only sound what can I do?

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Your bulb might have blown, these TVs are getting pretty old. I would personally not invest any more money into it as new TVs are much better and cheaper (it might cost as much to replace the bulb as buying a new TV) but if you are not technically savvy you would probably be better off replacing it. I will be doing that when my bulb blows, which could be any day :)

Posted on Jun 29, 2014

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You may have a bad projection bulb. You can order one on line

Posted on Jun 29, 2014

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1 Answer

Why my toshiba 40H80 has no picture only sound


Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Do a search by type in the brand name of your device at its search box.

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try converence board going out on your unit usally about 300 bucks to fix ok thx nick

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You can buy them at any of these sites:

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1 Answer

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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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