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Monday 22 January 2018 at 00:43
Display circuitry for player 1 is shared with player 2 as well as the Ball Match display. What happens in that display if it needs to display a 1? Ones are special as there is an IC that lights the center segments instead of the normal two down the right side of the digit. IC Z15 pin 8 MPU J2 pin...
Source: http://pinside.com/pinball/forum/topic/joker-poker-display-problem#post-4188191