Author Topic: Williams The Getaway switch matrix  (Read 1165 times)

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Offline Steevsee

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Re: Williams The Getaway switch matrix
« on: May 30, 2017, 02:38:26 PM »
This test basically shows that the fault is on the CPU board, and most likely U20 (ULN2803) as you surmised. 

Best to install a socket when you replace this chip, if one is not already in place.