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Author Topic: Switch matrix prob  (Read 3298 times)

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Marty Machine

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Re: Switch matrix prob
« Reply #15 on: March 14, 2009, 12:58:04 AM »
From what u describer, it kinds reaks of a pin being held HI or Low due to a nearby shorting pin/track...

Try metering between adjacent pins on the chip(s) you replaced, and see if there any obvious shorts there.

MM.
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