Gottlieb System 1 Power Board

By megoman

3 years ago

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Latest reply 3 years ago by G-P-E
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Joker Poker Gottlieb, 1978

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#7 3 years ago

GPE

Cap doesn't need to be 10000uF. Originals were 2900uF (non-standard value) and worked fine for years. Going to a 4700uF will be fine.
If you go too high then the 120Hz ripple current may be too high for the two rectification diodes.

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