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(Topic ID: 140012)

WMS SS driver board - Lamp matrix issue

By Theonlylilo

8 years ago


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    #21 8 years ago
     
    HAN

    HHaase

    Siegecraft

    14y 89,550 3,100 5 12

    To be honest, I'm shocked that nobody has yet suggested grabbing Leon's diagnostic rom for this one, then tracing out the logic pulses from the PIA, through the 7406's, then to the transistors. Makes it a breeze to figure out lamp matrix issues.

    -Hans

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