[mythtv-users] tv-out black and white only

[Kevin Kuphal]

On Mon, May 23, 2011 at 7:21 AM, Stefan G. Weichinger <lists at xunil.at>wrote:

>
> Greets,
>
> yesterday my old tv-set blew up, so I got another old one today.
>
> Plain old box (Grundig ST 70-745) ... I don't need much because I only
> record and watch DVB-S via mythtv.
>
> My former TV-set was connected via composite video: 3 rca-plugs into the
> front.
>
> The "new" one only has scart input on the rear, so I used an adapter to
> plug in the 3 rca-plugs into the adapter and that into the tv-set.
>
> On the frontend I use the yellow S-video output and an adapter from
> audio jack two red/white RCA plugs.
>
> My mythfrontend boots gentoo via PXE and comes up fine, I see colors
> when the init-scripts start up (those little [ok]s).
>
> The frontend itself is old hardware as well and uses a Nvidia GeForce2
> MX/MX 400 for tv-out. This worked fine for years now (until the very
> moment the old tv-set blew up yesterday ...)
>
> But now I don't get colors within X/mythtv. I tried some different
> cabling (there is an S-video out on the card and an S-video input on
> that adapter, I have a s-video cable and another adapter from the yellow
> RCA to S-video ....)
>
> I also started fiddling with xorg.conf and googling around ...
>
> As far as I understand the hardware should be OK: if the linux CLI shows
> colors the hw should be capable of transporting the color-information?
>
> Could anyone point out anything on how to proceed?
>
> Thanks a lot!
>
> Stefan
>
> Attached parts of xorg.conf.
>
> -->
>
> Section "Monitor"
>    Identifier     "Mon1"
>    VertRefresh     60.0
>    HorizSync       30-50
> EndSection
>
> Section "Device"
>    Identifier     "Vc1"
>    Driver         "nvidia"
> EndSection
>
> Section "Screen"
>    Identifier     "Screen 1"
>    Device         "Vc1"
>    Monitor        "Mon1"
>
>    Option     "UseEDID" "FALSE"
>    Option     "ConnectedMonitor" "TV"
>    Option "TVStandard" "PAL"
> #Option     "TvOutFormat" "SVIDEO"
> Option     "TvOutFormat" "COMPOSITE"
>    Option      "AddARGBGLXVisuals" "True"
> EndSection
>

Did you try changing the TvOutFormat?

Kevin
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