Repairing superfine wiring

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  • pentium
    Badcaps Legend
    • Mar 2006
    • 2778
    • Canada
    #1

    Repairing superfine wiring

    I ended up with a Sony PMW-EX3 that was in a pretty nasty fall. At this point I've repaired everything but the wire harness that brings video to the LCD viewfinder. It's this bundle of several dozen wires 0.3mm in diameter that has one clearly broken wire and several others either questionably intact or with damaged insulation. I can splice them but I have no idea how to insulate the repairs.



    The smallest shrink tube I have only reduces to about 0.8mm and wouldn't work. The harness can't have the wiring completely replaced due to the special crimped ends and so far the best I've gotten out of Sony is that they no longer sell replacement parts for this model camera anymore.
    Find Nedry!


    Check the Vending machines!!

    <----Computer says I need more beer.
    Tags: None
    • stj
      Great Sage 齊天大聖
      • Dec 2009
      • 30932
      • Albion
      #2
      Re: Repairing superfine wiring

      paint it with flexable plastic glue.

        Comment

        • chevyquick
          New Member
          • Aug 2014
          • 5
          • united states
          #3
          Re: Repairing superfine wiring

          Brush- On Electrical tape. It's made by Blue Magic.

            Comment

            • srhofmann
              Senior Member
              • Aug 2016
              • 135
              • usa
              #4
              Re: Repairing superfine wiring

              Plasti-Dip or water based acrylic paint mixed with elmers white glue

                Comment

                • mariushm
                  Badcaps Legend
                  • May 2011
                  • 3799
                  #5
                  Re: Repairing superfine wiring

                  Investigate if it would be possible to use flat flex cables .. solder the wires to the ends of the ribbon cable (possibly cut in several less wide segments and stacked on top of each other)

                  Here's an example ... about 3$ for a strip with 23+ wires, 0.3 mm pitch: http://www.digikey.com/products/en/c...t+ribbon+cable

                    Comment

                    • Agent24
                      I see dead caps
                      • Oct 2007
                      • 4913
                      • New Zealand
                      #6
                      Re: Repairing superfine wiring

                      Get smaller heatshrink?

                      http://www.mouser.com/ProductDetail/...FIT50028-NA112
                      "Tantalum for the brave, Solid Aluminium for the wise, Wet Electrolytic for the adventurous"
                      -David VanHorn

                        Comment

                        • pentium
                          Badcaps Legend
                          • Mar 2006
                          • 2778
                          • Canada
                          #7
                          Re: Repairing superfine wiring

                          From what I'm reading there I think that doesn't shrink small enough.
                          Find Nedry!


                          Check the Vending machines!!

                          <----Computer says I need more beer.

                            Comment

                            • Agent24
                              I see dead caps
                              • Oct 2007
                              • 4913
                              • New Zealand
                              #8
                              Re: Repairing superfine wiring

                              Are you sure? Says 1:5 ratio. I think the maximum size spec is just worst case scenario?
                              "Tantalum for the brave, Solid Aluminium for the wise, Wet Electrolytic for the adventurous"
                              -David VanHorn

                                Comment

                                • cpt.charlie
                                  Badcaps Veteran
                                  • Sep 2013
                                  • 270
                                  • Spain
                                  #9
                                  Re: Repairing superfine wiring

                                  Some nail paint might work, i've used it to protect some components form corrosion.

                                    Comment

                                    • petehall347
                                      Badcaps Legend
                                      • Jan 2015
                                      • 4423
                                      • United Kingdom
                                      #10
                                      Re: Repairing superfine wiring

                                      can you not run new wires instead of repairing them ?

                                        Comment

                                        • pentium
                                          Badcaps Legend
                                          • Mar 2006
                                          • 2778
                                          • Canada
                                          #11
                                          Re: Repairing superfine wiring

                                          No the ends are crimped and so small that trying to pry it back apart is going to open a can of worms.
                                          Find Nedry!


                                          Check the Vending machines!!

                                          <----Computer says I need more beer.

                                            Comment

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