Yellow (banded side of the diode) should connect to the Yellow-Violet wire.
The brown wire (non-banded side of the diode) should connect to the Violet-Orange wire.
Tech Chart might come in handy too....
http://www.pinballrebel.com/pinball/cards/Tech_Charts/Data_East_Last_Action_Hero_Tech_Chart.pdf
Peter
http://www.inkochnito.nl