[mythtv-users] PVR 500 samsung tuners
daniel at agar.ca
Fri Jun 1 19:48:19 UTC 2007
> Daniel Agar wrote:
>> So I just bought a PVR 500 with the samsung tuners that gives me a
>> terrible grainy picture filled with lots of diagonal wavy lines. I'm
>> looking into buying an RF attenuator but I'm not sure how much
>> is needed. Does anyone with this card actually get descent results after
>> decreasing the signal? I'm looking for any advice fellow pvr500 owners
>> might have other than ditching this for 2 pvr 150s.
> I have a PVR500 and the picture is fine. My forward signal isn't too
> high. Base of 12db at the PED, with a 3-way splitter (-7db) and a DC-tap
> for my cable modem (-0.5db). Should put me around a 4-4.5db signal
> hitting my PVR500. I do get 2 channels that have some diagonal lines
> through them, but it's nothing that's bad enough for me to crawl into
> the attic again or anything. (I used to work for the local cable
> company, so knowing my db's isn't that odd of a thing <grin>)
> I also have a PVR150 in the same box, and can't say if I've noticed the
> diagonal lines through it on the same channels or not - between 2
> frontends it uses the PVR500 for watching TV and seems to always use the
> PVR150 for recordings. I don't have a priority defined, but the 150 was
> the first card I set up which probably has something to do with it
> starting at the end and working it's way up.
You have a newer pvr 500 with the samsung tuners?
tveeprom 3-0050: tuner model is Samsung TCPN 2121P30A (idx 87, type 70)
Also how do you measure the signal?
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