Ze_ro Posted October 22, 2002 Share Posted October 22, 2002 I managed to find a Video Pinball machine (C-380), but it's a little beat up. It looks okay on the outside, but the buttons are kinda gummed up, and I had to tighten the dial.. everything seems to work now except for the Serve button... which is intermittent at best. As far as I can tell, there's nothing wrong with the solder points, so my guess is that the button is just old and falling apart. It looks like the actual button can be taken apart, as there's a seam... but I can't find a way to open it up. Can it be done? --Zero Quote Link to comment Share on other sites More sharing options...
Rob Mitchell Posted October 23, 2002 Share Posted October 23, 2002 Sometimes the plastic top gets kinda stuck when pushing .. But if you take the cover off .. the button works great! If you have to replace a button, you can harvest a button off a bad 2600 paddle and solder in place. The early paddles have the same button! Go ahead and de-jitter the pot while you have it open. If you need a button, I can probably pull one off a bad AVP. Rob Mitchell, Atlanta, GA Quote Link to comment Share on other sites More sharing options...
slapdash Posted October 23, 2002 Share Posted October 23, 2002 Go ahead and de-jitter the pot while you have it open. Just how does one do that? Just clean off crud from it, or what? What makes them jitter? Quote Link to comment Share on other sites More sharing options...
Rob Mitchell Posted October 24, 2002 Share Posted October 24, 2002 Any oxidation over time of the metal winding of the pot will make it jitter. A few drops of isopropyl alcohol applied into the pot and vigorous turning will typically make an Atari pot work like new. Rob Mitchell, Atlanta, GA Quote Link to comment Share on other sites More sharing options...
Ze_ro Posted October 24, 2002 Author Share Posted October 24, 2002 Strangely, the pot works great on the machine... it was loose, but once I tightened the bolt on it, it worked perfectly. I haven't tried anything else with the button, but I did notice that the serve button was slightly different than the rest of the buttons in the machine. It had a metal washer and a spring for some reason. --Zero Quote Link to comment Share on other sites More sharing options...
Rob Mitchell Posted October 24, 2002 Share Posted October 24, 2002 Strangely, the pot works great on the machine... it was loose, but once I tightened the bolt on it, it worked perfectly. I haven't tried anything else with the button, but I did notice that the serve button was slightly different than the rest of the buttons in the machine. It had a metal washer and a spring for some reason. Yeah .. I don't know what the need is for the washer or spring. Maybe they added those parts for extra lift against the tight fitting cover. Rob Mitchell, Atlanta, GA Quote Link to comment Share on other sites More sharing options...
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