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Author Topic: Switch matrix prob  (Read 3274 times)

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Marty Machine

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Re: Switch matrix prob
« Reply #30 on: March 14, 2009, 05:50:34 PM »
Quote from: MartyJ on March 14, 2009, 05:32:23 PM
From that same RGP article (similar prob) their solution was to jumper 12v from pin 3 on U20 to pin 3 on U16 (which then carries to U17).

U20 pin 3 is "Column DATA", don't use this!!!!

MM.
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