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My Toshiba 42 inch 27A33 tv made a popping noise and now has no picture or sound. What would cause this and can I fix it myself?

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  • 23 Answers

If it is a flat screen tv, you cant fix it your self, but it sounds as if maybe you blew one of the PC boards inside, rake it to a reputable repair shop, ask what their charge is for diagnosis , then what it might cost if it is a bad board, all this might determine weather it is cheaper to fix it or replace it. I had a 40" Toshiba and both the boards blew out , It did not cost me as it was with in the first year of ownership.

Posted on Dec 01, 2014

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Posted on Jan 02, 2017

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  • 92 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

sounds like it may be a software upgrade

Posted on Oct 31, 2007

  • 15 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Posted on Dec 15, 2007

  • 3 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
Hope this might be of use to anyone whose lost the picture after a loud popping/snacking noise but still has sound.

Posted on Jan 17, 2008

  • 6 Answers

SOURCE: 42" Toshiba Plasma TV no picture or sound

My experience with 42" plasma tv's with no picture or sound was a missing power supply voltage. On the power supply board check voltages on the plug. The voltages should be marked on the board,

Posted on Mar 02, 2008

  • 13 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

This is almost certainly the device that sends electricity to the the plasma in the panel after failing. Bring to your local repair shop and expect to pay 300-400 parts and 100-200 labour.

Cheers,
Stephen

Posted on Apr 28, 2009

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My tv image goes off while watching tv,I do have audio but no image.


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1 Answer

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Some components have failed inside the board. Kindly do not use the TV until serviced by a qualified technician.

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Sorry to say - it sounds like the 'pop of death' - If you got this from costco - give them a call and see if you can claim warranty (or the manufacturer).

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1 Answer

Hi there, with my toshiba 27A33 television ,the picture comes in on both sides about 2 inchs


First thing to check: could it be aspect ratio - source material is old standard 4x3 format, TV is widescreen 16x9, so it only fills center? If so, the images will look properly proportioned - circles round (not ellipses), people neither unduly fat nor skinny.
Second: if the shapes are wrong, it could be settings on source device (check DVD menu, cable/satellite set-up) and/or TV (choices like letterbox, pan and scan, stretch to fill screen, etc.)
Third: if CRT TV, could be defect in horizontal sweep circuitry, requiring repair shop; decide whether the cost is worth it, vs new TV.

Good luck!

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2 Answers

42 inch LG Plasma TV - Lost picture


Most likely what happened is one of the capacitors went bad. When a capacitors goes bad it produces a popping sound. This could be an easy and cheap fix if you find the bad capacitor or capacitors. The bad capacitor will have a bulging top most likely on the power board but could be anywhere.

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2 Answers

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34 Answers

42 inch LG Plasma TV - Lost picture


Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
Hope this might be of use to anyone whose lost the picture after a loud popping/snacking noise but still has sound.

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