(Topic ID: 326170)

Replacing Vintage Bally Disc Capacitors

By BullseyePs51

4 months ago



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#1 4 months ago

Greetings to all,
I just have a question of confirmation. In the photo , which is from the underside of a Bally KISS playfield, there are two disc capacitors. The capacitor on the left is the replacement capacitor. Its value is 0.047uF. 50 V. My question is, is this the proper value in replacing the original? The original capacitor (which is on the right side) has a value of 100 V. What do I make of this discrepancy in voltage? My next question is, if I can use this replacement capacitor on this KISS playfield, can I also use it on, let’s say, Lost World, Playboy, Supersonic, and Evel Knievel? Any help in this matter would be greatly appreciated! Thank you so much.
Sincerely,
John

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#2 4 months ago

Yes to all of those questions and game list.

Chris Hibler - CARGPB #31
Http://chrishiblerpinball.com/contact
http://www.PinWiki.com/ - The new place for pinball repair info

#3 4 months ago
Quoted from BullseyePs51:

What do I make of this discrepancy in voltage?

Capacitor voltage ratings are the maximum the capacitor can handle, so it just needs to be high enough. 50V is sufficient there, so the 100V was overkill (but maybe all that was readily available when installed).

The value that needs to be identical, or at least very close, is the farad rating, i.e. the capacitance. A replacement with 0.047 uF (microfarad) works fine to replace the 0.05 uF capacitor you have there. "Close enough".

#4 4 months ago

Greetings,
I just wanted to extend my gratitude to ChrisHibler (who is very busy in his work) and to pete_d for your generous participation in the technical question I had to pose. For the knowledge you shared now provides a base which enables me, with confidence, to move forward in my little work!

Sincerely,
John

#5 4 months ago

BullseyePs51 Happy to help Pete.

Chris Hibler - CARGPB #31
Http://chrishiblerpinball.com/contact
http://www.PinWiki.com/ - The new place for pinball repair info

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