Question about Protron PLTV-4250 42 in. LCD Television

1 Answer

THE POWER JUST SHUT OFF AND WILL NOT COME ON NO MORE

IT JUST TURNED OF RIGHT WHEN WE WERE WATCHING SOMETHING IT JUST DIED NO LIGHTS NO NOTHING

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Power supply for this model are defective and you cant find a replacement anywhere you might be able to get someone to repair the old one or build a new one i have 2 of these tvs in storage both w/ same issue

Posted on Jul 17, 2008

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Just shut off and now no power going to it., unplugged and try powering it up with button on tv not remote and still nothing.


TV Appears To Turn Off By Itself

support-us.samsung.com/.../pop_troubleshooting_fr...

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Jan 05, 2016 | Flat Panel Televisions

1 Answer

Hi I have a Sharp aquos tv that won't turn but does weird things. is there an easy diy way to fix this.


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.

Oct 17, 2015 | Sharp AQUOS LC-60LE820UN 60 inch LED HDTV

1 Answer

Magnavox 37MF321D/37. suddenly just shut off and would not turn back on, no blinking green light nothing!


Price the board first and then decide, I fix these in our shop but do not like or enjoy working on them at all.

Dec 20, 2012 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

Panasonic t.v. Power light blinks 10 times no picture


10 blinks Sub 5v SOS / Main 3v SOS DG Board
DTV 9v SOS / Tuner Power SOS

found this online hope it helps...

42"plasma purchased nov-07.I was watching t.v and it just shut off and nothing no blinking light nothing so changed the fuses in the back and went to turn the power back on and all i get now is 10 blinks then nothing.I have the t.v at the service man and he is telling me its the power board and after the price of the board and his labor charge it will be around $300.

G.L. scroll down for image



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Apr 24, 2011 | Panasonic Flat Panel Televisions

1 Answer

We were just watching tv and it just shut off. Now it won't turn back on. I already unplugged it and still nothing except for the green light will come on for a second then turn right back off. You can...


Now tv on,power LED light indication flashes?Yes.The power supply board is the problems and the causes.That the board,where the power a/c cord plug into it.Try website like Ebay.com to buy a refurbish power supply board for the replacement.

Mar 24, 2011 | Flat Panel Televisions

1 Answer

I have a panasonic plasma 42" TH-42PX80U that is 2 years old and just shut off while I was watching tv. It has no blinking lights and no longer makes any clicking noise when i unplug and plug it back in. I...


This cause is the power supply board is dying,not giving the right voltage to the rest of the tv anymore.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Sep 10, 2010 | Panasonic Viera TH-42PZ80U Plasma TV

2 Answers

My vizio 42" just shut off while watching tv. can this be fixed?


Yes. It sounds it is in the power supply board. Something is breaking down.

Nov 20, 2009 | Vizio P2 42 in. HD-Ready Plasma Television

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