samsung lcd LA40M81BDX

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  • Hillbilly
    New Member
    • Apr 2012
    • 5
    • Australia

    #1

    samsung lcd LA40M81BDX

    I have a 40" inch Samsung lcd tv which is starting up,then shuts down then back on again. It did this before and the caps on the power board where replaced,now it is doing the same again. I have tracked it down to the main board which is around $400. I found a fellow in Sydney who can fix it for $100 but he wants me to take it there. I live in S.A, has anyone fixed this problem on the main board
  • tom66
    EVs Rule
    • Apr 2011
    • 32560
    • UK

    #2
    Re: samsung lcd LA40M81BDX

    What caps did you use for replacements? (Or if you had a tech do it, what caps are in the PSU right now?) If lower quality caps (i.e. not low-ESR) were used, they could fail after some time.
    Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
    For service manual, schematic, boardview (board view), datasheet, cad - use our search.

    Comment

    • Hillbilly
      New Member
      • Apr 2012
      • 5
      • Australia

      #3
      Re: samsung lcd LA40M81BDX

      I have replaced the caps for a second time and also tested the PSU in a second Tv which works ok just to make sure it works.

      Comment

      • selldoor
        Slow Learner
        • Dec 2010
        • 7870

        #4
        Re: samsung lcd LA40M81BDX

        Did you replace any caps on the main Board?
        Welcome to the forum-
        We can help a lot more if you please post good clear pictures of the whole chassis, and then pictures of each board, front and back and close up of connectors, (max resolution 2000x2000 and 2MB) using the manage attachments button, which is found by clicking "go advanced" under quick reply.

        Please do not post inline and offsite as they slow down the loading of pages.

        Examples of what is needed
        https://www.badcaps.net/forum/attach...1&d=1290283049

        https://www.badcaps.net/forum/attach...7&d=1280167246

        It will be useful if you can say what the supposed fault was and a bit about yourself - skills tools etc.
        Please upload pictures using attachment function when ask for help on the repair
        http://www.badcaps.net/forum/showthread.php?t=39740

        Comment

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