With all due respect, you did not solve my problem, you offered an alternative, use iTunes. A solution would be "If you do x, y, or z, you will be able to sync your iPod with Media Monkey and it will work fine with the Pioneer". What you suggested is like me telling you my car won't start (using Media Monkey) and you telling me to get another one (iTunes) instead of fixing the problem.
However, because of your expertise and others', I found that I have a Media Monkey problem, with no apparent solution, and I have two options; use iTunes or the AV2 input. There's my answer and that's why I