re:earlier comments on TV cards the ideal PC for using a tv card would be an old 286 machine, with nice slow clocks so the harmonmic content is limited to less than 100 MHz, catch 22 is that you need a fast graphics card which needs fast clocks. you could'nt put a tv receiver in a worse EMC envoironment if you tried !!!
With any EMC problem you need to indentify the source. try removing all the cards that the PC dosn't need to run, and find the quietest slot on the motherboard for the TV card. bond any metal casing on the TV card to the metal casing on the PC, there's some nice copper adhesive tape made for doing this. Try changing the clock speeds in the bios, or jumper on the board, so that any clock harmonics dont coincide with the TV signal frequency. if and when you get acceptable pictures you can then put back the other cards one at a time, and change the slots they are in if need be. But why watch tv on the pc when there's another in the same room ???? cya richard -----Original Message----- From: Robin [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 13, 2001 12:31 AM To: [EMAIL PROTECTED] Subject: RE: [expert] TV Card Reccomendations Hi all, It seems people are talking about TV cards reception here. Maybe someone can help me with my problem. I am having a problem with reception of only Channel 14. The picture and sound are very fuzzy only on my computer, it's fine with the TV in the living room. I think it is a hardware problem, any idea? Robin -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Richard Wenninger Sent: Tuesday, December 11, 2001 10:50 AM To: [EMAIL PROTECTED] Subject: Re: [expert] TV Card Reccomendations You should make sure all your outlets are properly grounded... via that third prong. hold the tv cable, with it disconnected from your pc... and touch the metal part of the pc case... see if you get a little tingly... it may be that your're getting voltage bleeding in/out through your cable line, and it may not be enough to notice by touch. I have this same problem, and I CAN tell by touch. It makes for a very noisy picture. On Tuesday 11 December 2001 12:40 am, you wrote: > On Mon, 2001-12-10 at 19:58, Ed Tharp wrote: > > Almoxt any brooktree848 based card should work good, my cheap winTV > > card works great for mem and does good video capture to. I believe > > the difference would be to have the PCI based card (as opposed to > > the USB). > > Does anyone who has a WinTV card have any secrets to share about how > they cleaned up the picture? My card was recognized, and i am able to > display video through it, but, the picture is distorted with line > noise. The display is crawling with video worms. I can drive a TV set > directly off the same coax and get a perfectly beautiful picture but > when i display the signal through my WinTV card it looks really > sloppy. I have tried iron torroids on the coax as well as replacing my > standard coax with shielded, low noise coax, nothing seems to help. I > am guessing that the WinTV card is picking up RF from inside my box > but I would have thought that Hauppauge would have planned on that. > Any assistance would be appreciated. Thanks. > > Traci _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com
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