[mythtv-users] Image Quality PVR-500

[Rudy Zijlstra]

Brian Wood wrote:
> On Feb 18, 2007, at 1:30 PM, John Drescher wrote:
>
>   
>>> One other thought- that could be garbage products due to overload.
>>> Doesn't the 500 card have an on-board amplifier that can be turned on
>>> and off? Perhaps you could try turning it off and/or putting an
>>> attenuator ahead of the card?
>>>
>>>       
>> His initial problem was caused because the LNA was off so I as sure
>> that part will not help.
>>     
>
> Still could be signal level problems, or tilt, or total channels  
> exceeding the tuner's front-end overload threshold.
>
> Those Samsung tuners have a very narrow range of acceptable input  
> levels, you have to be careful, and the onboard LNA is a piece of  
> crap, a decent one would cost more than the whole card.
>
> Just thoughts, as always.
> _______________________________________________
>   
Another thought (as always): Have you tried recording at native NTSC/PAL 
resolution?