Well, the adapter was created for the XBR series TVs; they have specific multi 34 pin RGB outs on the back, like floppy disk connectors, to output from an CGA/EGA input onolder RGB microcoputers.
There's two cables on the interface: one on to the TV (34 multi pin) and another to the CGA cable (an 8 pin out din, I believe). Does this means that the PC-701 would output 15Khz, just at a different resolution, from either a VGA to CGA card, ArcadeVGA 3000, or just any RGB signal that had an 8 pin din connector on it?
Thanks for the help, too. I've been searching for something like this forever but I also don't have too much cash to blow at the moment