Are codex isn't working with Oppo when playing Blu-Ray

I did run the RCA out to my Rogue Pharaoh and at first the voices weren't coming through, only the surround.  I tried to adjust the audio out but ended up adjusting it and now even DVD's won't give audio.  Not sure where to go from here.  

As good as the advice is here on the forum, try calling the manufacturer. They usually have experience with similar problems and can offer a solution. It doesn’t make sense to keep trying DIY solutions, and you may end up doing some damage. I had trouble playing a Blu-ray disc with a Pioneer BDP-09. I contacted the manufacturer and found that I needed an update to the player. Pioneer sent me an update disc and the problem was solved. 

When you say adjust, do mean from the options menu?  I would try unplugging the power cord  from the Oppo player, connecting it to a TV, set it to factory settings, power it down again and then try it again. Btw, does CDs work? Unless it's your amp, which I doubt it's probably your player.  If this doesn't work, I would reach out to Oppo for support. The stereo RCA output should work directly connected to your Rogue.