YUV, RGB, component and a crt tv - ramblings

mba · 2007-02-23, 21:10

Hi

(beware I have no idea of what Im talking about here)

I have a setup with a dear old sony KV32FX65 crt tv which has three scart input one of which can handle RGB signals. I also have a M2NPV-VM motherboard with HDTV out module which has three component RCA's.
I have been running happily with a S-VHS cable until know, but would like to use the component output from the HDTC bracket. So I bought a component to scart-cable (I think) it has three RCA's (red green and blue) in one end and a scart in the other. Connected the thing to my htpc and to the tv's RGB enabled scart and flicked on the telly, but no image was coming on it.
Then my questions is:
Is the M2NPV-VM component outputting YUV or RGB and does it matter?
Can the KV32FX65 RGB enabled scart input handle YUV?
Could it be that there are some +5V RGB enable pin on the scart which I don't have enabled? (think I saw someone with a problem like that some time ago in an unknow forum)

And finally have I just wasted $20 on a cable :-)?

- regards
Martin

ziphnor · 2007-02-25, 17:29

The HDTV output module is Component YPbPr ( http://en.wikipedia.org/wiki/YPbPr ) , which is not in any way compatible with Scart RGB (at least nothing that can be handled by a cable).

I would suggest buying a new LCD/Plasma TV instead

Spragleknas · 2007-02-26, 13:42

As a curiosity: I belive that the XGI-cards could do RGB-out!

I belive they were bought by ATi (or was it nVIdia?).

Johan · 2007-03-02, 13:13

I recently made a RGB to SCART cable for my Sony KV-32FX68E.
For this cable to work you need an ATI card.
The quality compared to composite or s-vhs is superior!
http://www.nada.kth.se/~feldt/vgascart/
The description is in swedish but I think you can figure it out.

I think this is the way to go if you want the best possible quality on your Sony CRT.

mba · 2007-03-04, 00:25

thank you all...

I had gathered as much as it didn't quite was compatible - just thought there where two types of component output yuv and rgb.

thank you for that link johan, I have a ATI card lying around somewhere, maybe I should try it out.

-regards
Martin

kablik · 2007-03-13, 22:52

Hi Johan,
I have the same problem

Pls, how can I switch between YUV and RGB output on M2NPV-VM motherboard?

Thanks for help

2007-02-23, 21:10	#1 (permalink)
mba Portal Member Join Date: Sep 2005 Location: Aarhus Age: 32 Posts: 59 Thanks: 0 Thanked 1 Time in 1 Post Country:	YUV, RGB, component and a crt tv - ramblings Hi (beware I have no idea of what Im talking about here) I have a setup with a dear old sony KV32FX65 crt tv which has three scart input one of which can handle RGB signals. I also have a M2NPV-VM motherboard with HDTV out module which has three component RCA's. I have been running happily with a S-VHS cable until know, but would like to use the component output from the HDTC bracket. So I bought a component to scart-cable (I think) it has three RCA's (red green and blue) in one end and a scart in the other. Connected the thing to my htpc and to the tv's RGB enabled scart and flicked on the telly, but no image was coming on it. Then my questions is: Is the M2NPV-VM component outputting YUV or RGB and does it matter? Can the KV32FX65 RGB enabled scart input handle YUV? Could it be that there are some +5V RGB enable pin on the scart which I don't have enabled? (think I saw someone with a problem like that some time ago in an unknow forum) And finally have I just wasted $20 on a cable :-)? - regards Martin

2007-02-26, 13:42	#3 (permalink)
Spragleknas Super Moderator Join Date: Dec 2005 Location: Rogaland Age: 32 Posts: 3,813 Thanks: 179 Thanked 90 Times in 76 Posts Country: My System	As a curiosity: I belive that the XGI-cards could do RGB-out! I belive they were bought by ATi (or was it nVIdia?). __________________ Please read -> HOW TO START A SUPPORT THREAD !!! Support MediaPortal! Donate by clicking HERE Dedicated HTPC board (Norway) -> MSPC.no

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2007-02-25, 17:29	#2 (permalink)
ziphnor Portal Developer Join Date: Aug 2005 Location: Copenhagen Age: 29 Posts: 711 Thanks: 0 Thanked 9 Times in 6 Posts Country: My System	The HDTV output module is Component YPbPr ( http://en.wikipedia.org/wiki/YPbPr ) , which is not in any way compatible with Scart RGB (at least nothing that can be handled by a cable). I would suggest buying a new LCD/Plasma TV instead

2007-03-02, 13:13	#4 (permalink)
Johan Portal Member Join Date: Apr 2006 Age: 32 Posts: 277 Thanks: 2 Thanked 3 Times in 2 Posts Country:	I recently made a RGB to SCART cable for my Sony KV-32FX68E. For this cable to work you need an ATI card. The quality compared to composite or s-vhs is superior! http://www.nada.kth.se/~feldt/vgascart/ The description is in swedish but I think you can figure it out. I think this is the way to go if you want the best possible quality on your Sony CRT.

2007-03-04, 00:25	#5 (permalink)
mba Portal Member Join Date: Sep 2005 Location: Aarhus Age: 32 Posts: 59 Thanks: 0 Thanked 1 Time in 1 Post Country:	thank you all... I had gathered as much as it didn't quite was compatible - just thought there where two types of component output yuv and rgb. thank you for that link johan, I have a ATI card lying around somewhere, maybe I should try it out. -regards Martin

2007-03-13, 22:52	#6 (permalink)
kablik Portal User Join Date: Mar 2007 Age: 33 Posts: 1 Thanks: 0 Thanked 0 Times in 0 Posts Country:	Hi Johan, I have the same problem Pls, how can I switch between YUV and RGB output on M2NPV-VM motherboard? Thanks for help