i have a eight ball machine ,when the ball goes through one of the roll over lanes at the top it turns off 2 lights ,example if it goes thru lane 1 both 1 and 4 goes out and if it goes thru lane 2 both 2 and 3 goes out ,i have replaced all the diodes but there is no change there are no caps on the switches like most switches have but the schematics don't show any , i don't know where to check next
anyone have any advice on this problem?