WPC fliptronics 2 (Black Rose)
In switch edge test I'm getting a strange issue between columns 5 and 2.
If I hit ANY switch in column 5, it not only registers there, but also the corresponding switch in column 2. For example, if I hit the switch at col5 row1, it will register as a contact with BOTH col5 row1 AND col2 row1.
It doesn't happen in reverse (activating a switch in column 2 just registers as expected).
Any ideas? Maybe a bad chip U20? Maybe a switch on col 2 is grounded somewhere?
Probably not related: also happening at this time the cannon immediately fires when a ball is loaded. The switch for the fire button is in column 3, so I'm not sure what's going on here.... but both issues started at the same time. Odd