Originally Posted by usmaak
I've owned my 46 inch A750 for about six months now. In the last month or so, I've noticed that picture will occasionally slow down. Being a veteran of the 71F wars, the first thing I thought of was stutter, but it really isn't like stutter. I wish I could explain it better. It's not like dropped frames, it's just like it slows down a bit. If I rewind the DVR and watch the same scene again, it won't happen.
Anyone else ever seen anything like this? Or am I the only one? Maybe I need to get a repair guy out.
There is no hardware in these TVs that can buffer multiple frames of a video stream and then play them back at a different rate.
On the other hand, DVRs have all the hardware needed to do this--mainly the hard drive and its controller. Of course, this should not happen, but it can. I had a DVR suddenly start do something similar a year ago, although there was a little visible jerkiness in the picture and slightly distorted sound.
This is easier to catch on a live broadcast, with the DVR not purposly delayed. Whenever the Play button is depressed, a progress bar pops up displaying a ribbon indicating the amount of program recorded, and a tick on the ribbon indicating the point in the program that is being sent to the TV. There is also a time balloon indicating the time position (in the recorded program) of the tick. My DVR--as do most--also displays the current time of day on its front panel. As the program progresses, if the DVR is falling behind then the tick will fall back from the live end of the progrgress ribbon, and eventually display a time in its balloon that differs from the current time displayed on the front panel. I was able to see a difference of several minutes on occasion.
And yes, the problem was intermittent. Also, the same portion of the program could be replayed with no errors--indicating that the recording part--but not the playback part--of the DVR was OK.
Anyway, that DVR was replaced with another that did not have this problem.