[mythtv-users] pvr-500 strange lines

henrik at grevelund.com henrik at grevelund.com
Wed Nov 28 13:44:09 UTC 2007

Hi Steve

I do recommend that you connect your PC to ground. I didn’t and after 2
weeks my PVR-500 stopped working.

Have a nice day,

> Steve Peters - Priority Electronics schreef op 27-11-2007 23:25:
>> Hello, i have a cable box plugged into my pvr-500, so the reception
>> should be perfect...one would think  : )
>> Anyhow, it's not perfect. There are very small but very noticeable
>> vertical grayish lines that kind of squiggle through the picture. I've
>> tried the s-video connection and it was exactly the same. If i plug the
>> cable box directly into the tv, and not go through my mythbox, the
>> picture is great.
>> Also, one thing i've noticed is that when the analogue cable line is
>> plugged into the pvr-500, you get shocked when you touch it. Turn the
>> computer off and no shock, so that tells me the shock is coming from the
>> card, and not somewhere in the cable line. Could this be related? Is my
>> pvr-500 possibly bad? --Any Ideas?
>> I've attached an image so you can see.
>> -Thanks
>> -Steve
> First off all it's generally not appreciated if you send attachments
> like this to the list.
> The shock-issue is something I get here as well when COAX is plugged in,
> just be carefull plugging it in ;) In general it seems te be caused by
> grounding issues.
> The lines in your image I see sometimes as well in some programmes,
> especially when I watch programmes on a TFT-monitor. So it might have
> something to do with interlace settings?
> Other people might have a better answer to that one though...
> Regards,
> Jos Hoekstra
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