So I picked up a beautiful ST60 Panasonic plasma a few months ago and have been breaking it in gently and finally getting to see the beauty of a higher end plasma panel. But what I have noticed is a lip sync audio issue where when watching a movie the sync seems to go off after about the half way point and it becomes really obvious for a scene or two then suddenly seems to go back in sync at some later point. Other time sit is off sync for the whole feature. I've been using my PS3 for BD playback through my Onkyo TX-nr626 receiver via HDMI. I was using HDMI input 1. I've never had to use any offset values as I'm usually running into an HDCRT for my display and using external speakers which has no audio sync issues whatsoever. I'm still using the same receiver and external speakers and if I switch back to the HDCRT there are no sync issues at all. So far this is killing my enthusiasm for an otherwise fantastic unit. I have every additional feature disabled including all motion smoothing and this isn't connected to any online functionality. I used the DNice recommended settings and am only using this for Blu-ray playback via HDMI. Using the ARC input makes no difference. I still see the sync go off and sometimes only for a single scene at a time. This is really infuriating. This is apparently an issue that many owners of this particular tv had and Panasonic did a fix in one of their older firmwares. However this TV seems to be fully updated. No matter what I do the sync goes off in certain instances and I don't think putting a setting in my receiver would help because it is only intermittent in certain scenes nor can I figure out exactly how much it goes off sync for. I'm wondering if an hdmi splitter might help so that I could go straight to the tv and then send the audio to the receiver. I've tried every variant of CEC and ARC and other players to try and get the sync right but nothing seems to work. The only thing that gets perfect sync is disabling 1080/24p or playing Standard def materials. I've even tried the av sync and lip sync in my onkyo receiver and tried to adjust audio delay. I even used the same film on two different players simultaneously to get the tv audio and receiver audio to sync but even that didn't work. Has anyone ever been able to get the sync right on 2013 Panasonic plasma models? This is driving me nuts!