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Apparently there was a bad lightning storm last night that knocked out our power. Bad thing is, when the power came back on our cable box won't turn on and neither will our tv. The tv power button just flashes red. I have no idea what to do. I've switched outlets and nothing changes.

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  • Master
  • 1,824 Answers

Hi,
please call a specialist in that for assistance.
As of now and future: Follow what everyone says: "Turn off the modem and TV during a lightning storm".

Posted on Jul 25, 2013

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Posted on Jan 02, 2017

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budmrtn
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SOURCE: no power to tv,but power there is power to the

No reset button, unplug for about an hour and try again, you may have blown main AC fuse (F?),
If you are going to DIY and have proper tools 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

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http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com

Posted on Jun 29, 2010

  • 8457 Answers

SOURCE: we had a bad lightning

Ur tv still get the tv menu,the tv should be still good.Call ur satellite company for the replacement of the box.

Posted on Mar 28, 2011

salt56
  • 373 Answers

SOURCE: I have a Sanyo DP26648. Last night we had a

It has knocked out your power supply board...It can be changed very easily just by taking the back off the set and tracing it from where the AC cord plugs in. Then unplug and unscrew the board. The part number should be 1AV4U20C17201. Match this number from your board and do a search with the number on Ebay or shopjimmy.com or google to get availibility and price. You can even do a search with the model number as well. Just be sure the board numbers match completely. But first replace the fuse as this could be your sole problem since you had a power surge.

Posted on Jun 08, 2011

AJIN G
  • 6694 Answers

SOURCE: Hello, I have a Toshiba

hi,
As it is a fault caused by the lightning it is better to consult some one experienced rather than doin it by Yourself. Its powers supply have problem. If you are able to do the same then remove the back cover. then check the input fuse in the power supply. If you find the fuse faulty then check the MOV (Componet used for High voltage sure protection, MOV have a voltage range, if voltage above its rating occurs it will get shorted and blows the fuse preventing from further damage to the power supply.). It will be near to fuse. It will be placed in Paralel to the Phase and Neutral track after fuse. You can check the same is it faulty very easly. Insert the new fuse in position, using multimeter (in ohms range) check the ohms between the two pins in the power cord. if its shows a low ohms ( bellow 1K) then the MOV is faulty. After replacing the MOV you have to check the ohms Again. if then also it shows low ohms. then you have to replace the bridge rectifier. first of all check the fuse and MOV. picture of MOV is added below.

okajin_g_9.jpg

Posted on Jul 19, 2011

gopakumarg43
  • 74185 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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