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Sanyo tv won't turn on after a lightning strike.

I have a Sanyo DP52440 television that won't turn on after a lightning strike. I've tried other outlets, the capacitors on the power supply appear fine, and nothing seems particularly damaged (just by looking at it). When I hit the power button, the green light comes on for a few seconds, then turns off and remains off. After hitting the power button, I can hear a very faint, high-pitched sound I believe coming from the power supply. Is this something that replacing the power supply could fix? Or is it better to replace the tv? This tv belonged to a friend of mine, so I'm not sure the exact situation when the lightning struck (though it may have been plugged into a surge protector). Sorry for the lack of details, but I appreciate any insight.

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  • Sanyo Master
  • 12,962 Answers

Ask friend if broken when given to you. If not I would suspect the power supply is fubar..

Posted on Sep 16, 2017

Testimonial: "It worked before the lightning strike. Could I just replace the power supply?"

  • richie46 Sep 16, 2017

    If separate part yes. On some sets the PS is part of another board and it is an all in one deal.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: TV won't turn on

I am having problems turning on the tv. I had lost the remote control so I bought a universal remote which was not working at the time I unpluged the tv form the powersocket then I tryed to turn on the tv the green power light stays on for a few seconds then it blinks two times then there isn't a power light on after that what is wrong

Posted on Aug 17, 2007

  • 38 Answers

SOURCE: Screen won't turn on --flashing green/solid green power light

Your main boards are bad. They are no longer available, You have to have the chasis rebuilt. Mitsubishi is rebuilding these chasis. You have to pull it without any cut wires & ship to Georgia.
tvdoctor

Posted on Mar 13, 2009

  • 1 Answer

SOURCE: TV set self turn off after few seconds

my tv will not come on

Posted on Jul 12, 2009

leethedeuce
  • 4472 Answers

SOURCE: tv will not come on,

First off what is the exact model of the tv? Secondly do any lights come on at all? Do you have homeowners or renters insurance? then the surge would be covered under that and depending on size of the tv an equivalent size tv it would be worth it to put in a claim. Once I have more information I can assist you further.
Thank you,
Lee

Posted on Aug 17, 2010

gopakumarg43
  • 76046 Answers

SOURCE: Panasonic TH-50PX80U won't work after

Hello
If cable box converter has damaged, there is no question about the main board of your TV. It has been damaged. Before replacing it, you have to check the power supply board also. If the TV has been pluged to power supply, surely there will be fault to it also. We can't predict the exact fault occurs during a lightning, because Trillions of volts are passes nearby. You have connected the TV with cable connection and to the home power supply too.
Just replace the main board first. If it does not hel you, replace the power board too. I hereby send picture of both boards.




gopakumarg43_14.jpgThe first one is main board and the other is power supply regulator board.gopakumarg43_15.jpg

Posted on Aug 20, 2011

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1 Answer

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The power supply board is the first board to feel the impact of a lightning strike.. Try that one out first.

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Replace or have the powrer supply tested and eventually serviced.
Lightning strikes affect two types of boards in televisions - the power supply by means of entering through the AC line and main boards by means of entering from the external signal sources. External antennas are worst and can totally toast the main board whereas a signal entering through HDMI cable from another device is less likely to be affected by a power surge.
So naturally you start your quest with the power board , which is the usual suspect.

As of right now I do not believe we have an announced service for the power supply board of Sanyo LCD-24K50, but if you do not have any other options you can always try and send the power board for examination/repair through
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