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Atari Pong C-100 disassembly

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Hi,

I'm trying to disassemble an Atari Pong C-100, and the screws that connect the base to the unit (under the battery pack) are some weird, 3 wing reversed (in the screw, the depth at the center is less than in near the border). I tried using pliers, but the screw is too round and the pliers just slip.

 

Has anyone had this problem around here? Any solutions?

 

Thanks!

 

Andres.

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From the description, it sounds almost like what you need is a tri-wing security bit or screwdriver, but the depth equation is interesting.  Are you certain that there isn't a post in the centre of the screw head?

 

It may be possible to take a Torx security bit of the correct size, cut / file out three of the splines, and use that to remove the screw.

 

I had no idea that Atari used those on the C-100.

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I had a very hard time finding a bit to open mine. I finally found one at McMasters-Carr. I think it is called tri-slot.

 

Mitch

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On 9/17/2021 at 3:27 PM, chas10e said:

I think it's called a "Holt security screw" , I had  make my own:

 

https://imgur.com/a/ngmNH

 

Yes! That's it, thank you so much!

 

And I love the idea in the article, I will try that instead of buying the tool. 🙂

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Posted (edited)

When you close it up, I recommend adding a washer to keep the plastic from being damaged further. While I was in there I added a 8-24volt regulator tuned to deliver 6 volts no matter the input, I switched the power jack to a modern barrel connector, and threw in a composite to HDMI adapter (in place of the battery holder.)

 

Unsurprisingly when I first opened the Pong, there were ca1976 batteries still inside.

Edited by towmater

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