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The Aussie Pinball Arcade
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Switch matrix prob
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Message #14748
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Topic: Switch matrix prob (Read 3304 times)
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Marty Machine
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Re: Switch matrix prob
«
Reply #30
on:
March 14, 2009, 05:54:24 PM »
U18 & U19 are also LM339's, measure there volts to confirm what you should put onto U16/17.
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The Aussie Pinball Arcade
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Aussie Pinball Forums
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Technical Matters
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Pinball Repairs / Problems & Assistance
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Switch matrix prob
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Message #14748