[mythtv-users] Vertical sync problems with PVR-150

David Bower dbower at mesd.k12.or.us
Fri Jan 19 18:08:26 UTC 2007

I noticed the same problem, I have 2 PVR-150's thou.. but it seems to be
worst when the CPU utilization in TOP is around 60% or higher. 
Generally When I am "recording" one show and watching another.
I have a Nivida 6800 Ultra Video card that at the time was on the 8776

What worked wonders for me was to install the latest nvidia Drivers 9746
and the problem went away.

Dunno if this it the case for you thou.

Shawn Willden wrote:
> On some channels, I have severe vertical sync problems in the video from my 
> PVR-150.  The problems are particularly bad whenever there are large blocks 
> of solid color on the screen -- text and logos are terrible.  Sometimes, 
> though, the image just keeps rolling over and over no matter what's playing. 
> Other times, it just kind of flickers a lot.
> I don't see any of this behavior when I connect the cable directly to the TV.  
> The source is Comcast analog cable.
> Any suggestions?
> Thanks,
> 	Shawn.
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