Arcade Collecting > Pinball

Williams Silver Coin Door Parts?

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chiLLbiLLy:
Thanks for that part #.  I don't know where to get one either, but it's nice to have the # for reference.

I'm more or less pretty happy that I got 2 out 3 working and maybe I'll revisit the dollar slot trip wire later down the road.  In fact, I'm pretty happy with myself, as I actually got my Black Knight pop bumper cap light repaired as well.  First time disassembling a pop bumper and actually soldering on a pinball machine (was a lot like the game Operation, actually, having to dodge so many wires and other things that go "melt" in the night).  And, after playing around with the sound board a little bit, it seems like the full speech is back.  Basically, I just pressed on some chips and ran the audio test a few times from the actual board itself and it seemed to like it.   :)

chiLLbiLLy:
So, you can actually pop those sound chips out, eh?  Here I was, thinking they were permanently soldered in, because I had tried to see if they were removable before and they didn't seem to budge at all.  Guess I just didn't try hard enough.  Of course, that usually gets me in trouble, as my usual tendency is to overdo it, like with the trip wire.  Ah well, I'm still in the early learning phases, so thanks for the info and cleaning tip.  ::)

I wonder if a pencil eraser would clean silver at all, sorta like cleaning the contacts on old video game cartridges or battery contacts...

chiLLbiLLy:
Ok, the speech problem with my Black Knight is back...well, it's really been back for quite a while.  I just haven't had time to mess with it lately.  Anyway, pushing on the sound chips and running the audio test, works some of the time and brings the speech back to a full vocabulary.  It just doesn't last very long before the speech goes back to dropping words again.

Anyway, I'm finally going to try your suggestion and clean the sound chips with q-tips and jewelry cleaner.  I've already got a bottle of Tarn-X tarnish remover laying around the house...is this the same stuff you're talking about?  I don't have the bottle in front of me, but I think it references jewelry cleaning or perhaps silver cleaning on it.  Would hate to apply something too abrasive and wind up somehow frying the board, sockets or legs...

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