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Dune Duo multimedia player Power supply

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    #1

    Dune Duo multimedia player Power supply

    Hi,

    I need a bit of help. I have a Dune Duo, The psu has the fuse blown, maybe the bridge rectifier as well, but the problem is that the ic controller is damage so I cant read the markings. Anybody can help me identify the chip. This power supply is used in allot of dune boxes. If anybody can take a picture of the psu so I can identify the chip I would be grateful. Or where Can I get another PSU.

    Thank you.

    Tags: None
    #2
    Re: Dune Duo multimedia player Power supply

    the missing piece is in the unit or on that board - shake them over a table

    Comment

      #3
      Re: Dune Duo multimedia player Power supply

      The whole problem is because of this glue!
      Attached Files

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        #4
        Re: Dune Duo multimedia player Power supply

        Originally posted by stj View Post
        the missing piece is in the unit or on that board - shake them over a table
        I can´t find it. its somewhere in another dimension by now. I remove the IC, I thought that maybe on the other side would be some markings, but no luck it just some generic number I think something like L04 02

        Comment

          #5
          Re: Dune Duo multimedia player Power supply

          Originally posted by lotas View Post
          The whole problem is because of this glue!
          you think it died because of the glue? I can replace the fuse and the bridge rectifier, but unless I change this, I don't think would do much good. Would be a shame to throw away a perfectly otherwise working unit because of one compontent.

          Comment

            #6
            Re: Dune Duo multimedia player Power supply

            It is more likely that the small electrolytic cap next to the ic is bad. Post a clear picture of the bottom of the board as well as a clear view of the trace side under the ic.

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              #7
              Re: Dune Duo multimedia player Power supply

              https://****************/ic_power/
              For some reason Badcaps won't let me post this website.
              ( remont
              -aud
              .net )

              You should be able to iD your chip.
              Last edited by dskall; 10-02-2022, 08:13 PM.
              I assume no responsibility for any stupid suggestions I might post.

              Comment

                #8
                Re: Dune Duo multimedia player Power supply

                Originally posted by dskall View Post
                https://****************/ic_power/
                For some reason Badcaps won't let me post this website.
                ( remont
                -aud
                .net )

                You should be able to iD your chip.

                Thank you. I´ll try it there. For now I bought a power supply board module 12v 6A and its working fine, get a little hot, but its ok so far.

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