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No picture or sound on my 50in. seiki how is this problem fixed

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  • Seiki Master
  • 6,694 Answers

Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Posted on Dec 06, 2016

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Posted on Jan 02, 2017

gopakumarg43
  • 74106 Answers

SOURCE: how do i fix an 55 inch seiki tv no sound or picture

Fault in the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Posted on Apr 24, 2015

gopakumarg43
  • 74106 Answers

SOURCE: My lg 50in lg50LA620V there's Sound no picture can it be fixed

Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
In some models of LCD TVS; the backlight inverter and its T'Con board will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, they can't be replaced. In this case; a panel replacement is the only repair. For some other models, the backlight inverter section circuit will be a part of the main power supply regulator [SMPS]. To such sets, the power supply section circuit too should trouble shoot. Contact any service technician. The circuit will differ with models and versions.

Posted on Jul 07, 2015

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1 Answer

Seiki TV no picture or sound


hi test the large diodes on the power board these can stop the led from firing up, thanks, ps send me a picture of the power board i'll show you the diodes

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1 Answer

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1 Answer

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Unplug, wait 5 minutes then plug it in. If that doesn't fix, it's probably the back light bulb if it is led. Look up your model # online and order a new bulb. Just take the back panel off, about 8 screws and replace the bulb.

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1 Answer

I have a 32in seiki model no.se322fs no pic no sound how can i fix it?


Couple things here. A lot of the flat panels and projectors will shut down after a few minutes if no signal is present so I would not worry about that. The first thing to check is all of your connections and then check that your TV is on the same input you have the cables plugged into. Most remotes with have an "input" or a "source" button to toggle through the inputs.

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1 Answer

Toshiba theaterwide 50in - Picture disappears after using it for a short period of time then takes hours to come back. Is it fixable? what's need to fix it? Price for parts and labour?


The problem you are talking about sounds like a lamp related issue. If you haven't replaced the lamp in a while, then it is definitely it.Do you still have sound even though the picture shuts off?

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