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Interference with TV reception

Discussion in 'The Family Room' started by Kitman, Dec 5, 2018.

  1. fasteddy

    fasteddy I have C.L.A.P Global Moderator Generous Elf

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    You shouldn't have to replace them all, you may just have a couple of power supplies emitting interference and need to find out which ones are the culprits
     
  2. OP
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    Kitman

    Kitman Full Time Elf

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    It seems to be all of them causing the issue, with the control boxes powered on with no lights connected there is no issues, however as soon as 1 string of lights is connected then it causes issues right away even without any sequence running.

    All of the power supplies are a few years old now except the reindeer ones that were only used last year.

    Is there any way to add filtering at the output of the power supply? like adding something like a cap or something else to remove the interference?

    I am more than happy to replace all of my power supplies with Meanwell supplies, I am just looking for some quick fix until I can get some power supplies so my neighbour isn't affected, I don't care about my reception.
     
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    Kitman

    Kitman Full Time Elf

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    I have just ordered some meanwell power supplies from Arrow so that I can swap out the cheap Chinese ones to see if that makes a difference. Est delivery is the 10th so not much I can do till then. I guess I could cover my house with tinfoil to try and stop the interference from getting to the neighbour's antenna hahaha will keep this updated with the outcome.
     
    ryanschristmaslights likes this.
  4. battle79

    battle79 Full Time Elf Generous Elf

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    That might not be as silly as it sounds.
    If you wrap up one of the control boxes in foil and then earth the foil, you could determine if the interference is coming from within the box or from the cable/pixels of the string.
    Don't know if that will help resolve issue, but at least you'll know.
     
  5. David_AVD

    David_AVD Bite my shiny metal ass! Community Project Designer Generous Elf

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    If it's affecting the neighbour's TV reception then it's most likely the power supply radiating shed loads of EMI via the DC cables (pixels, etc). Filtering at the PSU may help, but swapping to a better quality PSU may be the only real solution.
     
  6. NTKing(Brad)

    NTKing(Brad) Full Time Elf

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    Shout your neighbour Netflix and Stan for the month.
    Interested to see what the problem is with this one.
     
  7. Nuzzy

    Nuzzy New Elf

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    Our reception is the same but we haven’t had any neighbours complain about theirs yet. I have a couple of new props this year so set about last night testing which one it was.

    I thought it would be my new flat tree but when I tested it last night it wasn’t. The only other new prop was the roof outline, it was ok with the power supply on but once the lights lit up then the tv went dead.

    I moved the power supply from on the roof to under the eaves and now it only interferes at the brighter colours (white, yellows etc) so going to re-route some cables today and hopefully fix it up.
     
  8. OP
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    Kitman

    Kitman Full Time Elf

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    They already have Netflix and have resorted to watching Netflix every night after 8pm lol. There is however only so much that you can watch on Netflix before running out of Netflix. Perhaps I should shout them a VPN so they can get the US Netflix which would make them happier.

    Your neighbours may not have put 2 and 2 together yet, mine didn't for a few days they just thought it was something wrong with the TV or antenna then they started to notice it was every day at the exact same time which is when they asked me. Depending how close your neighbours house is depends if it will be affected and if their antenna is pointing at your house, my neighbours antenna points right at my sleigh on my roof so that certainly won't help, I am going to have to try moving my sleigh power supply etc from on the roof to under the eaves but that may involve a rewire of the sleigh since the cables will need to be quite long and I may then have other issues.
     

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