Samsung TV Restart Problem – Fixed!

hdtv

Samsung TV Restarts Itself

Fixed for Less Than $6!

I was having a problem with my Samsung TV. It was working fine, then it started acting weird. I’d start it up and there would be a blank screen. Then it would keep restarting and take a long time to really start up. I found that if I unplugged things, that helped. Finally, it would hardly start up at all. The remote stopped working, too, once it would get started.

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After some research online and asking around, I found out that this is a common problem with Samsung and LG LCD HDTVs. They used some cheap capacitors on the circuit board, they would pop after a few years and cause this problem. They need to be replaced.

I saw a video online about a guy doing it himself and it looked pretty easy so I decided to take it on with the help of my friend, Al.

Here’s What We Did:

First, I unplugged it and got it onto a table with a blanket on it so as to not damage the screen. I removed about 10 screws from the back. Don’t forget the ones by the plugs.

Next, I saw the broken capacitors. There are four of them about the same size in a row. The tops were sort of busted. I’ve seen some pictures where they leak a little but mine did not.

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I unscrewed that board and removed the plugs going into it. We think this is a power transformer type of circuit board converting AC to DC or something like that.

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We got the board out and Al did some soldering work. He straightened out the pins using the soldering iron and a soldering sucker thing to pick up any excess. He then touched the iron to the soldering points and removed a capacitor while I held the board. Having two people working on this is probably ideal.

Once it was out, we put the new one in. You have to make sure it’s oriented the right way for polarity. It doesn’t go in either way. Make sure it’s right. Check the ones that are in there.

We got the new ones at Radio Shack. I didn’t think they carried that type of thing anymore but they did. The guy at the store, when I called, knew exactly why I needed them – so like I said, I’ve been finding that this is a common problem with Samsung and LG TVs.

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We ended up just replacing 3 of the 4. The other one looked Ok. These were bigger than the ones we took out and we think that will help them last longer this time.

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We put the board back in and hooked up the plugs again. I got the TV back to the entertainment center, plugged it in and it worked. I then took it back and put the back cover back on.

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We then tested it and it worked fine, so it was fixed – problem solved!

Conclusion

All in all, it was a $5.10 fix in parts. I then bought Al some dinner, so it did cost me a little more for the paid labor but it was worth it.

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I’m including some pictures (above) and the video I found on YouTube – enjoy!

Here are some kits on Amazon you might want to order that will help you get the job done:

The kits listed above should have everything you need to make the repair. Hopefully, with the guidance here, you should be able to do it. Just be careful with the soldering iron and take it slow so that you don’t make mistakes. It’s not difficult to do but just take your time and be precise.

If you have never done an electronics repair before, you might be nervous about it and think that only experts can do it but it’s really not that difficult. When you get done, you’ll be proud that you did it. Maybe you have a friend that’s handy with this stuff and can help you. If you provide all the materials that they need, maybe they’ll come over and guide you or even do it for a pizza or some beer. 🙂

Try it and then let us know how it went.

  • [Update 12/18/2012 – it has been a year and it’s still running fine!]
  • [Update 4/21/2013 – still no problems!]
  • [Update 7/6/2014 – still no problems!]
  • [Update 4/22/2015 – still no problems!]
  • [Update 12/30/2015 – still no problems!]
  • [Update 2/21/2016 – still no problems!]

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Comments

    • Laura B.
    • December 27, 2016

    Hey thanks so much for posting this! I think it’s totally what’s wrong with mine.

    I’m going to give it a go. I’ll let you know how it went!

    • Eclectic
    • July 12, 2018

    These types of capacitors (“electrolytics”) should have a FLAT top, If the lines are split, if there is any sign of a white deposit or if they look “domed” they are definitely faulty and should be replaced. If the are flat they could still be faulty, but start with the definitely faulty ones.

    Capacitors which are in a hot environment will deteriorate over a period of two to five years. The lines are there to create a weak point so that they fail without exploding violently. As they go faulty, they begin to heat themselves up which makes sure they will fail completely.

    • tech-duke
    • June 16, 2019

    So Samsung says the “rebooting” of some of their TVs is due to the TV detecting problem and attempting to fix it by rebooting.

    My 2010 Plasma started rebooting so often, I was afraid to try to update the software. In my situation there was no dust in the TV to speak of and all the capacitors looked fine. Software/firmware got updated to the latest.

    Another comment on another site said they checked all the ribbon connectors. Once the back panel was off, of the dozen or more ribbons, I found maybe two that were a bit loose and pushed them back in.

    Problem solved.
    Then I remembered what happened. Earlier that day I had the volume up to the max for the first time ever because there was so much noise outside from construction I could not hear the TV.
    The loudspeakers must have vibrated some connectors loose.
    Okums razor. I wonder how many people spent money only due to a loose connector.

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