Ok folks, I'm a little embarassed...
I found that when I removed all of the plugs from the RCA board, two of the plugs were identical but never marked them because they were spread out pretty well and could tell where they went, or so I thought. I started putting the plugs back in and was like... These two are similar lengths and was hard to tell where each other went so I routed them the way I thought but was of course wrong. One was the MIC input I removed and the other I'm not sure, to say the least, I plugged the remaining one in the wrong spot by accident. Swapped that back to the other input and voila!
Then came another oops, I marked out my solder points on the board as you can see from the pics but when wiring them, I wired the phone/line inputs backwards... I was supposed to go from mixer phono in to SL1 line in and then mixer line in to SL1 output, I did the reverse. Once THAT was swapped around, I'm good to go! Yay!!
I want to thank the guy who made this thread for the idea.