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Holt security screw removal: Sears Pong / Sega EA carts


chas10e

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I recently acquired a Dedicated Super Pong IV system & needed to open it up.

 

sam1442j.jpg

 

the screw in the battery compartment I discovered from reading these forums is called a "Holt" brand security screw

 

I happened to be placing an order with Best Electronics & they have never carried a screwdriver or security tip to remove this little bugger

 

E-bay has one for $19.99, but a little pricy for my needs!

http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5574883395&toolid=10001&campid=5336500554&customid=&mpre=http%3A%2F%2Fwww.ebay.com%2Fitm%2F3-Prong-Security-Bit-HOLT-6-Open-USA-Stock-%2F380339786487%3Fpt%3DLH_DefaultDomain_0%26hash%3Ditem588e0492f7

 

so I made my own & took some pics: 8)

 

Items I used:

  • 3 paperclips
  • an electrical wire-nut (with spring inside)
  • a ballpoint pen
  • electrical tape

Tools I used:

  • needle nose pliers with cutters
  • 1/8" drill bit in a Dremel tool

sam1450m.jpg

 

I drilled a hole in the top end of the wire-nut

straightened the 3 paperclips and as evenly as I could twisted them into the wire-nut so they would protrude through the top end I drilled probably protruding an 1/8"

 

sam1453r.jpg

 

I used an electrical wire-nut because, 1. I have plenty of them around & 2. the spring inside would hold the paperclips firmly

I used paperclips because 1. I have plenty of them around & 2. they are less pliable than copper wire so they will hold up better

 

trial & error one wire-nut was used & spring inside to loose , another was new & paperclips twisted & broke before protruding though end I drilled.

 

I emptied the ball point pen to tape to wire-nut so I wouldn't get stabbed buy cut ends of paperclip from bottom of wire-nut & gave me a bit of something to hold on to.

 

sam1443n.jpg

 

 

when pressing down to loosen the screw in the console, it seemed to form itself to fit better on the screw

 

sam1444a.jpg

 

 

The first image is actually the one I made to work on Sega Genesis EA carts with a similar Holt type security screw ( different size it appears )

 

sam1454k.jpg

 

the tines on the tip I made need to protrude out far enough to reach the screw that is recessed into the cartridge

 

sam1451j.jpg

 

I was able to re-install the all screws as well as remove them:

 

on the Pong console I wanted to maintain the integrity of a classic console

on the Sega cart ... just to see if it could be done. ... I discovered to was easier removing than replaceing you'll want to make sure it's seated all the way in.

 

I hope this helps:

 

chas10e

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