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Author Topic: Gottlieb sys1  (Read 677 times)

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Offline Strangeways

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Re: Gottlieb sys1
« Reply #15 on: August 29, 2014, 09:47:51 AM »
Check all the Switch Matrix diodes. They are mounted on small boards under the playfield. They are obsolete 1n914, but you can use 1N4148 fast switching for this application.
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