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How do you fix the broken swivel part on them?

How do you fix the broken swivel part on them?
I got them this last Christmas and I broke them around 2 months ago when my mom told me my dad had a cancerous brain tumor. I dropped them on the hospital ground when she told me and the swivel part broke. The chord is still attatched and they still work but the one side hangs by the chord inside the headphones.

ANSWERS:

"All that pressure on such a tiny plastic part - for shame, Sony, for shame. What a terrible design.

I bought a replacement swivel part on eBay but once I disassembled the headphones it was clear that unless you cut and splice that wire, and who knows how many tiny little wires it contains, it is for all intents and purposes impossible to remove the broken part and install the new part. That’s when I stumbled across this page.

I fixed my headphones by holding the broken side headphones in an aligned, “neutral” position, and by then drilling two tiny holes through the opposing swiveling parts. It was not too hard to maneuver a small hand drill with a very small 1/16” bit coming at the parts from the earphone side. The holes were drilled parallel to the direction of the headband. I then sanded all the faces with a bit of 100 grit sandpaper, slathered 5-minute epoxy on the faces, and ran a few simple stitches through the holes and the walls of the swiveling parts, and pulled/tied them as tightly as I could, drawing the sanded faces together into the epoxy. Space is tight in there so I used a small curved upholsterer’s needle, a pair of pliers to pull the needle through, and some very strong V-92 sailmaker’s thread that I happened to have lying around. (It’s similar to upholstery thread; not particularly thick but quite strong.)

The epoxy cured quickly as I did this and the stitches provide a little bit of extra structural support fairly near the outer edge of what had been the swiveling parts, so, they’re in a place where they can minimize any twisting effect of the headphones on the repair. On reassembly the faceplate completely covers the stitches, and even though the threads are sticking out a bit they don’t misalign the faceplate at all. Except for the loss of the swiveling function, the repair is invisible except for a thin line of epoxy on the inside of the band."
I opened the area up where the swivel piece is located and super glued it. I worked all of 2 hours before my son dropped the headphones and the broke again. The part I need is specific to ordering it...Really simple to repair, I just need the part. You might be able to go here to order the part. I'll check tomorrow to see and provide my results here.
Good fix Jaz. This isn’t a spam link - it shows very clearly how to drill through the two broken pieces with a 1.5mm bit (I think a 1/16” bit would work in the US) and use two of the casing screws to hold the broken pieces together. No glue, thread, or soldering.
It's not that simple to repair the hinge, as soon as you remove the screws you'll see that the wire is direct connected to it with no option to disconnect unless you disassemble it all
you can't. what I did to keep them functional is a shotty zip tie job

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