[mythtv-users] PVR-500 saga continues

John Drescher drescherjm at gmail.com
Sun Feb 25 23:32:26 UTC 2007

> Q: What is "LNA"?
Low noise amplifier. Basically this is a cheap poor quality amp that
is on the board.

> I had problems with my PVR-500 (MCE) also, where tuner 1 had a good
> picture but tuner 2 was snowy.  I wrote to Hauppauge, and they sent me a
> replacement card, but it had the same problem.  After googling about it,
> I found mention of adding a signal booster to the line, and tried that.
> I bought a Motorola 15db cable TV signal booster, and put that into the
> line between the splitter and the PVR-500 (the other branch from the
> splitter goes to a cable modem).  The picture is now a lot better on
> tuner 2, except for the lower channel numbers (us-cable, Comcast,
> analog, no HD) which are snowy on both tuners.  I also see the faint
> diagonal lines on most channels, and I would love to get rid of them.
The faint diagonal lines are generally caused by too much amplification.

> I'm using a hand-built Ubuntu 2.6.20 kernel from recent sources (Feisty
> Fawn, patched with driver for my HighPoint RocketRaid 2300) with IVTV
> 0.9.1.
Then you have the LNA on by default which is weird as with the LNA on
you should not have one tuner with snow and the other without.


More information about the mythtv-users mailing list