[mythtv-users] new user - fuzzy video, low audio - WinTV PVR350 no TV-OUT FC4

[Brian Wood]

On Mar 26, 2006, at 2:52 PM, Steven C. Liu wrote:

> Brian Wood wrote:
>
> I don't have a TV connected to that specific cable, but I have a  
> fully-functional signal coming out of a common splitter that goes  
> into a XP box with a WinTV PVR-150 card.

Well a cable or connector could be bad, or the splitter itself. The  
only way to be absolutely sure is to connect a known good TV set to  
the exact same connector.

>
> As far as HRC and IRC are concerned, I don't understand.  I'm not  
> using a cable box - it is just a straight cable from the outside  
> (it is not a signal issue since all is fine on my XP/PVR-150 box  
> that shares a cable into a splitter).
>

HRC/IRC have nothing directly to do with a cable box. There are (in  
the USA) three possible standards for frequency allocation - STD/HRC/ 
IRC. Without going into detail it just means that the carriers run on  
slightly different frequencies. Often the AFC in a tuner can make up  
for the variances but sometimes not.

But if you have a 150 similarly configured that is probably not your  
problem. You should do the standard PVR thing of powering down for  
several minutes to be sure your card is not storing some oddball  
setup parameter though. You could swap the PVR cards between the  
machines to see if the problem follows the card, PIA but definitive.

Is there a pattern to the channels that you do get with ivtvctl ? 
Perhaps you are only getting the lower frequency channels, or the  
higher ones ? This can get very confusing because the actual order of  
channels is 2-6, 14-22, 7-13, 23-60 etc. If you are getting or not  
getting only channels 5 and 6 you almost certainly have an HRC/IRC  
problem. Only getting the lower or higher frequencies could point to  
a connector or splitter problem.

Reset the 350, and if you still have trouble try to get more info  
about exactly what you can and can't get, maybe we can figure out  
from the pattern what's going on.
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