Card's philips 7174HL tuner is not supported under linux. Try emailing to NVidia, perhaps they wake up when enough people keep on sending email.
The FX5200 side: I am using 1.0-4496 drivers, works fine with 2.4.24 kernel and both 4.2/4.3 XFree86. Haven't tried the VI-part of the VIVO, video out to TV works. With 2.6.0 kernel my system was unstable (i845 chipset) with NVidia kernel module (even the patched version, check http://www.minion.de/nvidia.html