[mythtv-users] Question on Component Output

R. G. Newbury newbury at mandamus.org
Mon Oct 3 19:29:44 UTC 2011


On 10/03/2011 10:00 AM, Simon Hobson wrote:
> R. G. Newbury wrote:
>> After helping a neighbour move some furniture, I ended up
>> troubleshooting her Bell ExpressVu setup. I had never seen the satellite
>> output, and expected a reasonably good HD picture.
>>
>> But she was not getting HD. Turned out, the TV was actually being fed
>>from composite + left and right audio.
>
> Yup, I've seen that over here with a "Sky+ HD" install. Idiot left
> the SCART lead connected so the TV instantly switched to SD (but at
> least it was RGB and not composite !)
>
>>    From many discussions here, re HDPVR-1212's, I thought component
>> carried ALL the signal.
>
> Component means just that - separate connections for Red, Green, and
> Blue or Y, U, and V. Ie the opposite of "composite" which combines
> all the video into one connection.
>
> Audio *WILL* be separate, and sync may also be separate (or combined
> with one of the video signals - typically Green for RGB, dunno about
> YUV).
> So for component video plus audio you need between 5 and 7 connections :
> RGB or YUV video
> L+R audio
> Possibly composite sync or H+V syncs if not combined with a video connection.
>
Thanks to all for the clarification about the number of wires needed. 
She is VERY happy now.

Geoff


-- 
              R. Geoffrey Newbury			
            Barrister and Solicitor
       Suite 106, 150 Lakeshore Road West
          Mississauga, Ontario, L5H 3R2

         o905-271-9600 f905-271-1638
           newbury at mandamus.org


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