Question about Memorex MT2274 27" TV

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Won't turn off...constant hissing...blank sreen

The home power went out during a thunderstorm. Since then the Tv will not turn off unless unplugged. It make a loud hissing noise and only has a blank screen. None of the buttons work. Is this fixable? Is this worth fixing? tvgerbs

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  • 8 Answers

Sounds like a power surge likely followed the outage- or maybe you were actually hit by lightning- and since this set did not have a built-in kill-switch (circuit breaker) it could have very well caused some significant damage. Check the internal fuses, if they are blown, chances are, so is the rest of the set. For the cost of repairing something as over-reaching as this, I'd be looking for something new (And be sure to buy a quality surge protector, so this does not occur again!)

Hope this helps in some small way!

Posted on Mar 15, 2009

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Posted on Jan 02, 2017

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Related Questions:

Tip

Wii won't turn on after a power outage.


Hey, recently had a power outage and now your Wii won't turn on?

Well unless your Wii is completely fried from the storm then this should work (It has for me every time I have had an outage).

After you find out it's not getting power then just unplug the power cable from the wall and from the Wii. Normally I unplug it for about 12-24 hours then you go plug it back into the wall, plug it back into the Wii, look at the power button and if it is red/orange then it has been fixed and you should never have a problem with it again unless you keep it plugged in during a thunderstorm/power outage!


This has happened to me about 8 times and this method worked every single time!



on Jan 26, 2010 | Video Game Consoles & Games

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I was home watching television while we were having a thunderstorm out, there was lighting and thunder and it was pouring out, the power went out so did the TV. I can power up the TV you can hear it power...


You may have fried one of your control boards in your TV. Sometimes these can be easy to fix. I recommend you take your unit to a repair shop and get a quote to repair it. Be sure to get a quote and don't just tell them to repair it. It may be cheaper to buy a new TV! Sometimes they will charge you just to troubleshoot your TV but that should be expected.

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I have the sanyo dp46848 it 3 months past warranty , we had a thunderstorm ,my wife turned off the tv but we did not unplug it. when the storm was over we turned it on and all we got was a led power light...


It can be the main logic board EPROM is scrambled since the TV was plugged during the thunder storm, and /or the power supply module are damaged.
You will have to do more in-depth troubleshooting.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

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I have an LG 42lg50 TV that was working fine earlier today, While I was out of the house an Thunderstorm came up and power failed at least twice. I come back home to find my TV not working properly. The...


An electrical pulse from the thunderstorm has affected your TV. (Was it on a surge protector?)

There is a small possibility that it will come back.

Unplug the television and let it sit for an hour or more and then re-plug it.

If you need to get a new TV, also get a good surge protector such as Panamax.

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1 Answer

Will not turn on. No power. Another TV will work in the same outlet and cable. It went out during a thunderstorm. It is a Sanyo model DP37647


The board where the a/c power cord go into it.That ur power supply board,that board is dead,replaced this board.U will have ur power back.Tries websites like Shopjimmy.com,Ebay.com to buy a reburbish power supply board for the replcement.

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My cable went out during a thunderstorm. The


if it is new it should be under warranty,if not ,yes there may be a fuse inside,on the board where the plug is connected,taking it apart will void the warranty and can be dangerous .dont try this unless you have experience

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The set is in protective shutdown because a problem was detected. The 5 blink code indicates that the problem circuit. In this case it is the blanking circuit. Were there any indications of problems prior to the storm? If not, I'll need to lok up this one for the specifics. Do you intend to repair this yourself?

Let me know and I'll provide the details.
Thanks,
Dan

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Thank you!!!! Our power was off due to new transformers being installed in the area and we had no clue how to fix this. I called around and no one seemed to know the answer (not even Samsung, who only wanted to tell me my TWO year old tv was out of warranty),so I tried this and it worked perfectly!!! You saved me a bundle! Thanks!

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