Broken gear in VCR. Replaceable?

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  • pentium
    Badcaps Legend
    • Mar 2006
    • 2778
    • Canada

    #1

    Broken gear in VCR. Replaceable?

    My Sony SL-2700B is my last Betamax VCR. It has lived a good life and then this evening the unthinkable happened.
    As I was inserting a tape into the machine I heard an excessive "pop" and the tape would not load. I heard a motor whirring and that was it.
    I pulled it from my stack and opened it up on the table and found this:

    This gear had given me trouble in the past (you can see where I had heated it to try and repair cracks) as well however this time it was not fixable.
    So now I can't load or eject tapes and thus not use the VCR. Since I have seen a similar part in another Beta deck, this is a pretty common part, correct? I would really like to get it replaced and put the thing back into use as I simply love Betamax quality.

    FYI: I find it ironic that it happened when I was dumping (AKA: Pirating) the movie "Pirates of Silicon Valley" to a beta tape.
    Find Nedry!


    Check the Vending machines!!

    <----Computer says I need more beer.
  • Wizard
    Badcaps Legend
    • Mar 2008
    • 2296

    #2
    Re: Broken gear in VCR. Replaceable?

    hehe.

    Visit good electronic repair shop that does carry sony parts. They shouldn't be much in cost. that why I do not bother to repair as you have discovered that gluing nylon parts is fruitless.

    Cheers, Wizard

    Comment

    • pentium
      Badcaps Legend
      • Mar 2006
      • 2778
      • Canada

      #3
      Re: Broken gear in VCR. Replaceable?

      Oh lord.
      That means I have to see Giddens and they inflate the price on anything they do or offer.
      Hopefully I can just show them the part and ask for a replacement with no hassle (which can wait (the hassle) until I have to tear half this thing apart to install it).
      Still, is it a relatively common part?
      Find Nedry!


      Check the Vending machines!!

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

      Comment

      • Wizard
        Badcaps Legend
        • Mar 2008
        • 2296

        #4
        Re: Broken gear in VCR. Replaceable?

        High stress parts are usually common breakage in many VCR and is usually often stocked.

        Cheers, Wizard

        Comment

        • zandrax
          Hit and miss
          • Dec 2007
          • 1157
          • Italy

          #5
          Re: Broken gear in VCR. Replaceable?

          Sony stopped manifacturing spare parts for Beta decks in late '90s, so hope Giddens stocks some old pieces or can find you an equivalent replacement. Plastic gears should be available, but this isn't always granted. Pity

          Zandrax
          Have an happy life.

          Comment

          • i4004
            Badcaps Legend
            • Oct 2006
            • 2029

            #6
            Re: Broken gear in VCR. Replaceable?

            find used with that part still in one piece...
            then give the man 1$ and say you gave him 1$ too much...
            hehe...

            Comment

            • pentium
              Badcaps Legend
              • Mar 2006
              • 2778
              • Canada

              #7
              Re: Broken gear in VCR. Replaceable?

              I'm not going to find any spare beta decks here. If it has not already gone to the recyclers it's in a pawn shop for $50 or in the ownership of someone who will take it with them to the grave.
              It's a pity I no longer have access to a metal shop. Then I could at least try to cast a new and stronger one.
              Also, I have complained before that Giddens tried to charge me $40 for a fucking oven element.
              Find Nedry!


              Check the Vending machines!!

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

              Comment

              • Wizard
                Badcaps Legend
                • Mar 2008
                • 2296

                #8
                Re: Broken gear in VCR. Replaceable?

                Oven element for 40? not bad, and lasts years. We routinely see more for anything else too.

                Cheers, Wizard

                Comment

                • pentium
                  Badcaps Legend
                  • Mar 2006
                  • 2778
                  • Canada

                  #9
                  Re: Broken gear in VCR. Replaceable?

                  We went to another store and got the same element for $20. :/
                  Find Nedry!


                  Check the Vending machines!!

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

                  Comment

                  • Junk Parts
                    Court Jester
                    • Jun 2006
                    • 8953
                    • USA

                    #10
                    Re: Broken gear in VCR. Replaceable?

                    I don't know if it will work for you but two exopoys come to mind. One is called belzona, and the other is PC7. Belzona is almost as hard as steel when set. Its a bitch to work with but man its strong. In the Millwright trade Belzona is commonly called Liquid metal. Yes its even a pain in the ass to grind down. PC7 is a little softer but after a 48 hour set it will make a good repair in most cases. If you know the profile of what the missing part of your gear looked like you just may be able to rebuild the broken part using one of these epoxys. Its going to be a pain in the ass to do but well worth it to keep the old unit going. The thing that you have to do is get rid of all traces of oil and grease. Also you have to scuff up the plastic so the epoxy gets a good bite. Let the repair cure out fully before you start trying work the repair into its final shape. This is where a Dremal tool come in handy. I have made repaired many small outboard motor parts these products. Belzona is an industrial product and may be hard for you to find. If you do find belzona you must mix it in the exact proportions that the directions say or it will not set. It may be a three to one mix but I don't remember exactly. Its been a while since I've worked with it. PC7 was originally designed for fixing cracked Heads from the old flathead car engines. I did work in this appication pritty well too as some of the old guys have told me. PC7 mix one to one so its easy. Good Luck!
                    "It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so."
                    Mark Twain

                    "I wish to have no connection with any ship that does not sail fast; for I intend to go in harm's way."
                    John Paul Jones

                    There is a fifth dimension, beyond that which is known to man. It is a dimension as vast as space and as timeless as infinity. It is the middle ground between light and shadow, between science and superstition, and it lies between the pit of man's fears and the summit of his knowledge. This is the dimension of imagination. It is an area which we call the Twilight Zone.
                    Rod Serling

                    Comment

                    • pentium
                      Badcaps Legend
                      • Mar 2006
                      • 2778
                      • Canada

                      #11
                      Re: Broken gear in VCR. Replaceable?

                      I don't think we have any places that sell that strong of epoxy around here. Where would I look? Canadian tire?
                      Find Nedry!


                      Check the Vending machines!!

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

                      Comment

                      • kc8adu
                        Super Moderator
                        • Nov 2003
                        • 8829
                        • U.S.A!

                        #12
                        Re: Broken gear in VCR. Replaceable?

                        ace hardware has pc7 here.
                        any ace hardware in ca?

                        Comment

                        • Junk Parts
                          Court Jester
                          • Jun 2006
                          • 8953
                          • USA

                          #13
                          Re: Broken gear in VCR. Replaceable?

                          Darn I forgot that you are in Canada. Kc is right again. PC7 can ge found at most Hardware stores. They also have some new crap called PC11 or something like that. I have not used the new stuff so I don't know if its any good. You can find Belzona online. You may also find it local at the bigger industrial supply places. I get it at Fugerson right up the street from me.
                          "It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so."
                          Mark Twain

                          "I wish to have no connection with any ship that does not sail fast; for I intend to go in harm's way."
                          John Paul Jones

                          There is a fifth dimension, beyond that which is known to man. It is a dimension as vast as space and as timeless as infinity. It is the middle ground between light and shadow, between science and superstition, and it lies between the pit of man's fears and the summit of his knowledge. This is the dimension of imagination. It is an area which we call the Twilight Zone.
                          Rod Serling

                          Comment

                          • Junk Parts
                            Court Jester
                            • Jun 2006
                            • 8953
                            • USA

                            #14
                            Re: Broken gear in VCR. Replaceable?

                            OK went and had a quick look at the Belzona site. These products look like they could do what you want to do: Belzona 1121, 1111, or 1221. If it were me I would go to their site and use the contact page and explain what you need to rebuild and let them recommend the product. I have some here and I would give you the number off it but I just don't exactly know where I put it away at this time...
                            "It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so."
                            Mark Twain

                            "I wish to have no connection with any ship that does not sail fast; for I intend to go in harm's way."
                            John Paul Jones

                            There is a fifth dimension, beyond that which is known to man. It is a dimension as vast as space and as timeless as infinity. It is the middle ground between light and shadow, between science and superstition, and it lies between the pit of man's fears and the summit of his knowledge. This is the dimension of imagination. It is an area which we call the Twilight Zone.
                            Rod Serling

                            Comment

                            • pentium
                              Badcaps Legend
                              • Mar 2006
                              • 2778
                              • Canada

                              #15
                              Re: Broken gear in VCR. Replaceable?

                              Well that means I'll have to get some spare time and remove what remains of the gear that is inside the case. I expect some swearing along the way.
                              Find Nedry!


                              Check the Vending machines!!

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

                              Comment

                              • larrymoencurly
                                Badcaps Veteran
                                • Oct 2004
                                • 960
                                • USA

                                #16
                                Re: Broken gear in VCR. Replaceable?

                                My experience is limited, but I'v had no luck at all with gluing nylon. OTOH every time I've melted nylon back together with a soldering iron, the fix has held for a long time, except in the case of the hood prop rod clip for my Toyota (plastic didn't melt at all but just charred). This includes some individual teeth for the tuner of an ancient TV that I still have.

                                Comment

                                • PCBONEZ
                                  Grumpy Old Fart
                                  • Aug 2005
                                  • 10661
                                  • USA

                                  #17
                                  Re: Broken gear in VCR. Replaceable?

                                  Find a buddy in a shop class somewhere and have him machine you one out of aluminum.

                                  .
                                  Mann-Made Global Warming.
                                  - We should be more concerned about the Intellectual Climate.

                                  -
                                  Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.

                                  - Dr Seuss
                                  -
                                  You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
                                  -

                                  Comment

                                  • PCBONEZ
                                    Grumpy Old Fart
                                    • Aug 2005
                                    • 10661
                                    • USA

                                    #18
                                    Re: Broken gear in VCR. Replaceable?

                                    Is there a Part Number on it?
                                    http://www.partstore.com/Model/Sony/Sony/SL2700B.aspx
                                    Mann-Made Global Warming.
                                    - We should be more concerned about the Intellectual Climate.

                                    -
                                    Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.

                                    - Dr Seuss
                                    -
                                    You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
                                    -

                                    Comment

                                    • Toasty
                                      Badcaps Legend
                                      • Jul 2007
                                      • 4171

                                      #19
                                      Re: Broken gear in VCR. Replaceable?

                                      FYI

                                      Perhaps also:

                                      Manualscenter.com

                                      Good luck!
                                      veritas odium parit

                                      Comment

                                      • tmwalsh
                                        Senior Member
                                        • Jan 2009
                                        • 119

                                        #20
                                        Re: Broken gear in VCR. Replaceable?

                                        Pentium, did the PC7 or the Belzona work? I have a Canon printer that has a paper feed gear with a toothache. One of the teeth has worn, and causes a mis-mesh and jamming...
                                        The gear is made of what looks like nylon, but for all intents and purposes, it might as well be made of unobtainium. I had never heard of either product, and put it on the shelf awaiting dismantling or finding another with a different problem.
                                        Canon will only sell the complete feeder mechanism, which, of course, costs more than a new printer.
                                        If you had good luck, it would encourage me to disassemble the printer and attempt to effect a repair.
                                        tom

                                        Comment

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