[mythtv-users] Nvidia component out to SDTV

[John Finlay]

Jason Weida wrote:
> Hi
>
> On Thu, Dec 18, 2008 at 7:59 PM, John Finlay <finlay at moeraki.com 
> <mailto:finlay at moeraki.com>> wrote:
>
>     Tom Lichti wrote:
>     > On Thu, Dec 18, 2008 at 5:10 PM, Bill Williamson
>     <bill at bbqninja.com <mailto:bill at bbqninja.com>> wrote:
>     >
>     >> On Fri, Dec 19, 2008 at 9:07 AM, John Finlay
>     <finlay at moeraki.com <mailto:finlay at moeraki.com>> wrote:
>     >>
>     >>> I have an old Sony TV that has component inputs that I tried
>     to connect
>     >>> to a FE using a Nividia component out dongle. The Nvidia
>     graphics is an
>     >>> integrated MB 7050 out thru a svideo connector. The svideo
>     works fine
>     >>> but I wanted to see if I could get a better picture using the
>     component
>     >>> out. The problem is that I get a good component out picture
>     but the blue
>     >>> is missing from the output. I followed the mythtv guide for
>     component
>     >>> out but it mostly seems aimed at HDTVs with component in. Googling
>     >>> hasn't turned up any references to anyone using Nviidia
>     component out to
>     >>> a SDTV but I also didn't find anything that said it won't work.
>     >>>
>     >>> Has anyone tried this and had success? Or am I just trying the
>     impossible?
>     >>>
>     >> Mine just plain worked.  Did the dongle come with your card?
>      Does your mobo
>     >> actually support component?
>     >>
>     >> Is your TV RGB or ypbpr?
>     >>
>     >
>     > You have to select 'HD480i" as the TV out standard in the xorg.conf
>     > file. Took awhile to figure that one out...
>     >
>     Did that which made the green and red work. If I use NTSC-M I just get
>     the red working - same as if I specify svideo for the TVOutFormat.
>
>     Since you (and the OP) got  this to work it seems likely that my MB
>     doesn't support component out.
>
>     John
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>
> When I tried getting this to work on my 7600 board (which came with 
> the dongle) I noticed that the Ubuntu splash screen was in full color 
> during startup, but after the nvidia driver loaded (I assume), 
> everything was a bluish/purple hue.  I never got it working right 
> (after several hours of trying), but the splashscreen seemed to 
> indicate to me that my hardware setup was capable, just needed to 
> tweak driver settings somewhere.  I'm quite the noob, so take my 
> observation with a grain of salt, but maybe check your splashscreen 
> for another data point?
My nvidia logo splashscreen exhibits the same color problem. I'm using 
Mythdora.
>
> I ended up insatlling mythbuntu on another machine with only the 
> dongle plugged in and everything just worked, so I gave up and 
> dedicated Mr. Blue Hue to backend duty.  On the blue hue setup I tried 
> to switch to component after running dual head s-vid+analog monitor.  
> Might be worth trying a mythbuntu install with just the dongle plugged 
> in to see if that gets things working.
>
Sounds worth trying.

John