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Title: Can anyone w/ a Williams System 6 pin take a look at their AC varistor for me? Post by: bubbaganu on May 06, 2015, 02:03:01 pm Getting crickets over at KLOV and Pinside on this question. Wondering if there's anybody out there with a Williams System 6 pin that can look at the varistor on the AC circuit and tell me what type it is?
Also just some technical questions: I picked up a Williams Firepower that was powered with what looked like a lamp cord, I replaced the cord, blew a fuse that was turned out to be the wrong fuse. Put the right fuse in, noticed the varistor on the AC circuit was broken and I probably made a dumb move by soldering the varistor back together. When I turned it on, the varistor blew and caught fire. So first question is, I'm not sure what type of replacement I would need for the varistor as the one that blew is pretty much destroyed--does anyone have a Williams System 6 that knows what varistor is needed? Second question, is soldering that varistor what caused it to blow or is there a deeper issue at hand? Despite the fire the machine was lit up for the quick moment it was turned on. Title: Re: Can anyone w/ a Williams System 6 pin take a look at their AC varistor for me? Post by: iankellogg on May 06, 2015, 03:16:33 pm Is the varistor you are talking about the one on the power supply board that handles the coils? the schematics are very bare. I dont have a system 6 so I can't go peak whats in it but I can at least answer your other question. Soldering wasn't the problem. The varistor had to have been bad to start with, its kind of a common thing for them to catch on fire.
Title: Re: Can anyone w/ a Williams System 6 pin take a look at their AC varistor for me? Post by: bubbaganu on May 06, 2015, 03:20:32 pm Is the varistor you are talking about the one on the power supply board that handles the coils? the schematics are very bare. I dont have a system 6 so I can't go peak whats in it but I can at least answer your other question. Soldering wasn't the problem. The varistor had to have been bad to start with, its kind of a common thing for them to catch on fire. No it's on top of the AC circuit, below the playfield, mounted to the left side of the cabinet. Pictured here: http://pinball.flippers.info/system6acpower.jpg That's good to know it wasn't the soldering. Title: Re: Can anyone w/ a Williams System 6 pin take a look at their AC varistor for me? Post by: iankellogg on May 06, 2015, 03:29:26 pm Okay, then its going to be a standard AC level MOV. just about any will do.
Would you say the varistor was about 20mm in diameter? if so something like this will do http://www.digikey.com/product-detail/en/ERZ-V20R221/P7323-ND/269436 Title: Re: Can anyone w/ a Williams System 6 pin take a look at their AC varistor for me? Post by: bubbaganu on May 06, 2015, 08:47:32 pm Okay, then its going to be a standard AC level MOV. just about any will do. Would you say the varistor was about 20mm in diameter? if so something like this will do http://www.digikey.com/product-detail/en/ERZ-V20R221/P7323-ND/269436 That's it. Thanks for your help. |