LG 40UB800V takes long to turn on

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  • mitsukiso
    Member
    • Sep 2017
    • 31
    • Италия

    #1

    LG 40UB800V takes long to turn on

    as said, TV takes long to turn on when cold. warmer it gets - faster it switches on. Capacitors are checked, they are ok.
    maybe it's a strange idea but could it be resistors that work normally only when they are warm? some of resistors checked show me more resistance (sometimes even twice) than should according to color codes. have never checked them, have no idea if it's a normal thing
    thank you!
    by the way, powerboard is EAX65942801(1.6)
    thank you
  • dick_barton
    Badcaps Legend
    • Aug 2015
    • 6642
    • Wales

    #2
    Re: LG 40UB800V takes long to turn on

    This is often a sign but not always a sign of capacitors needing to be changed. Use a hair dryer on the power supply and warm up the capacitors to see if you can find which one may be affected.
    Willing to help but I'm no expert.

    Comment

    • mitsukiso
      Member
      • Sep 2017
      • 31
      • Италия

      #3
      Re: LG 40UB800V takes long to turn on

      Originally posted by dick_barton
      Use a hair dryer on the power supply and warm up the capacitors to see if you can find which one may be affected.
      what must a defective capacitor do being warm?.. sorry for stupid question, i'm a newbe

      Comment

      • dick_barton
        Badcaps Legend
        • Aug 2015
        • 6642
        • Wales

        #4
        Re: LG 40UB800V takes long to turn on

        It's internal resistance drops allowing it to charge up to it nominal voltage.
        Willing to help but I'm no expert.

        Comment

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