I'm looking for the proprietary Sony cables for a 2004 Wega display (flat panel PDM-5510). These connect the display to the media unit KDE55XBR950, but I'm actually trying to connect somehow to a laptop to show presentations on the display. Is this possible? Will this cord even connect with an adapter to a laptop? They are pin-style, but seem to only be Sony's own. Any idea where to find? Thank you!