I know this is a very old thread, but I thought I'd give it a try since this seems to be the main repository for knowledge about the V475 on the entire Internet. Does anyone have an accurate pinout for the 2c model? I believe that each channel requires two RG resistors. What are those pins? Also, what are the correct input, output, and VDC pins? I'm having a bit of trouble getting my unit to pass a reasonable signal level. I suspect that I'm using the wrong RG or input pins--that input transformer primary is a bit difficult for me to trace accurately on the pcb since it has 3 windings and I'm not sure what DCR I should be looking for at the pins.
Thanks a ton, everyone here! This thread was very helpful to read. Again, I'm hoping someone out there has good knowledge of the 2c model in particular.