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Sound but no picture. After a power outage tv came back on, something popped and now it has sound but no picture

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Hello. This is actually quite common now days. The power outages are causing capacitors to fry out on the convergance or other system boards. You will have to test the capacitors with capactior tester and service manual to find the faulty component to replace it.

Posted on Sep 04, 2009

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After a power outage my Panasonic smart tv came on for 2 seconds but after that it turned off and it wont come on after 24hrs


The power outage probably popped an inside fuse or damaged some electronic components. If you are capable, unplug the tv and place it face down on a soft towel. Unscrew all the screws on the rear that hold the two halves together. Lift the back panel slowly making sure all is free. Look for the fuses and check if they are blown. If they are, replace them with the same rated fuses. This is the cheapest fix. If the fuses pop again after this, then something beyond the fuse was damaged. You will need a repair shop to troubleshoot it. Once fixed, plug the tv into a surge protector for future use. Hope this helps.

Apr 09, 2016 | Panasonic Televison & Video

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Screen is black


sounds like it was enough to pop something in the tv, smell the back of the tv smell if anything smells burnt or hot. unplug the tv and let stand for about a hour unplugged then trying it again but if it does smell chances are you will have to see if your still under warrenty and have the unit replaced.

Aug 09, 2008 | Mitsubishi VS-50605 50" Rear Projection...

1 Answer

TV picture goes out after 10 minutes of viewing with popping sound


It can be a couple things. Something bad on the power board. Or the vertical output circuit. How long ago did you purchase the television. Your best course of action is to have it serviced.
If you need any information or other assistance let me know.
Thanks,
Lee

Jun 24, 2008 | Pioneer SD-582HD5 58" Rear Projection...

1 Answer

Had a power outage and tv was on when power came back on , heard a pop , now tv has no sound ?


If you have one of the newer flat screen TV sets; power the TV off and then unplug the set from the wall outlet for a couple of minutes and then plug the TV set back in and then power it back up. Lots of newer flat screens have a power supply system that will not reset properly after a voltage spike or a power outage that is a short duration. By unplugging from the wall outlet and letting the power supply drain all the way to a zero (0) setting it usually resets ok when you power it back up. good luck, Dennis

Aug 16, 2015 | Televison & Video

2 Answers

Hello, Last night my Samsung plasma TV made a fairly loud popping sound while I was watching it and then the power went off. When I turned back it on, no picture but sound was o.k.


Yes the caps on theower supply, but you can check power supply board by smell an look for burnt parts it is common. May need more than one board if they are cheap get both.

Jan 29, 2015 | Samsung Televison & Video

1 Answer

My tv clicks to come on but no sound no picture


If there was a power outage the problem is likely in the power supply.

The power light on the front comes on or not?

If no power light unplug the set and follow power cord inside and check the fuses---the click is a power relay activating---set may have up to 3 black relays on the power board.

Let me know your skill level and I will be happy to help.

SD TECH

Jan 16, 2012 | Hitachi 57F500 57" Rear Projection...

2 Answers

My tv keeps popping up a black box about one third the size of the screen . how do I stop it


If you have dual tuner / PNP then follow Solution #1

======

If you just has a power outage or after a move then give the following a try.

You have to go into the TV menu setup screen.


After a power outage the memory will go back to factory default.


Don't be surprise if it's display is not in English.


The black box is field for close caption (CC).

There are many transmission methods.

Go to the Close caption (CC) page and turn it off and save the setting.

Oct 18, 2009 | Televison & Video

1 Answer

No picture or sound


could be blown flyback transformer

Aug 22, 2009 | Televison & Video

1 Answer

Red light flashes,10 sec after turning on. after power outage


Hi, thank you for visit fixya.
Do you need replace both stk 392-110, and check any resistor (2.2 ohms) for blown or open. You can replace this IC's for stk 392-150d9f769b.jpg

May 12, 2009 | Panasonic PT-53WX42 53" Rear Projection...

2 Answers

Tv dont come on


Sounds like the typical power surge created by the outage has caused a power supply problem inside your TV. IF that is it, there not much you can do yourself.

Nov 07, 2007 | RCA D34W135D 34 in. TV/DVD Combo

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