I don't know how HDPVR works, because I don't own one but I assume the HDPVR is transcoding if it allows you to change the quality of the .ts stream. With a tv tuner card no transcoding occurs. Ideally the HDPVR shouldn't be changing the video and should deliver the .ts stream unchanged to the tvserver, if the HDPVR is re-encoding the transport stream then this would definitely result in a loss of video quality.
Your TV should be set to 60hz
I can't offer any more insight than the above.
Your TV should be set to 60hz
I can't offer any more insight than the above.
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