3 x BNC VGA = Component Video ??? - Page 3

jimbo1968 · 1st February 2006, 12:38 PM

I think your post needs an edit.

This link is good:
http://en.wikipedia.org/wiki/YUV

I didn't realise that YUV was a chroma/luma scheme, so what I said about average signal levels may be rubbish that I picked up from somewhere else.

Mikael Abdellah · 1st February 2006, 05:07 PM

Quote:

Originally posted by dnsey
I'm still puzzled though - where does VGA come ito this

The VGA is the only input i have on my monitor except composite and S-Video. I guess you could also call RGB input but I think they thought of it as a VGA input when they made the monitor.

dnsey · 1st February 2006, 06:17 PM

I appreciate that the spec says that it's VGA compatible, but that doesn't necessarily mean that the RGB inputs correspond to those signals in a VGA link.
It would appear that the BNC connections are 'FBAS', but I'm not familiar with that term. This connection is listed seperately from RGB, which is also confusing!
Just a thought - is the monitor set for the correct system (NTSC, PAL-in the appropriate variety) for your player? It might be automatic, and in any case shouldn't affect RGB inputs, but worth checking.

dnsey · 1st February 2006, 06:26 PM

OK, I've found the English version

BNCs are component, and RGB is on the 'top right' two connectors (the resolution isn't high enough to be sure of the connector types).
I see now!

I'd suggest testing the red input of the monitor - on one of those RH sockets - by feeding it 0.7V, which should produce full intensity. That way, we'll be closer to knowing where the problem lies.

Mikael Abdellah · 1st February 2006, 08:11 PM

Right now the following gadget seem more and more promising:

http://www.converters.tv/products/co...erters/44.html

I just need to make sure it doesn't convert the image in any way, thus causing degrading of the image.

pinkmouse · 1st February 2006, 08:15 PM

I wouldn't buy anything 'till you make sure the red gun is ok.

Mikael Abdellah · 2nd February 2006, 06:49 AM

Quote:

Originally posted by pinkmouse
I wouldn't buy anything 'till you make sure the red gun is ok.

Just to clearify: there is absolutely nothing wrong with my monitor. the red gun works flawlessly.

dnsey · 2nd February 2006, 09:54 AM

I've re-read this thread, and I think you're trying to feed RGB into the component video inputs, which won't work!

Assuming that the monitor will sync OK, you need to feed RGB into the 'VGA' or Mac sockets. Alternatively, feed component video from your player into the component (BNC) inputs. Assuming that both methods work, you can then decide whether you prefer the player's decoder (i.e. using RGB), or the monitor's (comp).

Mikael Abdellah · 2nd February 2006, 10:44 AM

The monitor does not have component inputs. You are correct that I have been trying to feed component video to the rgb input. The only thing I accomplished by that was that I realised that the input could accept other signals than regular vga signals from a computer.

I have understood the main difference between a component and a rgb signal and I will probably buy an external converter.

dnsey · 2nd February 2006, 02:10 PM

I've done a bit of research, and it seems that there are at least two versions of your monitor. One has component inputs, and the other (presumably the one you have) doesn't.
However, both appear to have s-video sockets, which amount to pretty much the same thing. Connect your player via s-video, and you should have as good a display as you're going to get, with no problems

1st February 2006, 08:15 PM	#26
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	I wouldn't buy anything 'till you make sure the red gun is ok. __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

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1st February 2006, 12:38 PM	#21
jimbo1968 diyAudio Member Join Date: Nov 2004 Location: UK, bristol	I think your post needs an edit. This link is good: http://en.wikipedia.org/wiki/YUV I didn't realise that YUV was a chroma/luma scheme, so what I said about average signal levels may be rubbish that I picked up from somewhere else.

1st February 2006, 06:17 PM	#23
dnsey diyAudio Member Join Date: Mar 2004 Location: Shropshire, England	I appreciate that the spec says that it's VGA compatible, but that doesn't necessarily mean that the RGB inputs correspond to those signals in a VGA link. It would appear that the BNC connections are 'FBAS', but I'm not familiar with that term. This connection is listed seperately from RGB, which is also confusing! Just a thought - is the monitor set for the correct system (NTSC, PAL-in the appropriate variety) for your player? It might be automatic, and in any case shouldn't affect RGB inputs, but worth checking.

1st February 2006, 06:26 PM	#24
dnsey diyAudio Member Join Date: Mar 2004 Location: Shropshire, England	OK, I've found the English version BNCs are component, and RGB is on the 'top right' two connectors (the resolution isn't high enough to be sure of the connector types). I see now! I'd suggest testing the red input of the monitor - on one of those RH sockets - by feeding it 0.7V, which should produce full intensity. That way, we'll be closer to knowing where the problem lies.

1st February 2006, 08:11 PM	#25
Mikael Abdellah diyAudio Member Join Date: Jan 2003 Location: Sweden	Right now the following gadget seem more and more promising: http://www.converters.tv/products/co...erters/44.html I just need to make sure it doesn't convert the image in any way, thus causing degrading of the image.

2nd February 2006, 09:54 AM	#28
dnsey diyAudio Member Join Date: Mar 2004 Location: Shropshire, England	I've re-read this thread, and I think you're trying to feed RGB into the component video inputs, which won't work! Assuming that the monitor will sync OK, you need to feed RGB into the 'VGA' or Mac sockets. Alternatively, feed component video from your player into the component (BNC) inputs. Assuming that both methods work, you can then decide whether you prefer the player's decoder (i.e. using RGB), or the monitor's (comp).

2nd February 2006, 10:44 AM	#29
Mikael Abdellah diyAudio Member Join Date: Jan 2003 Location: Sweden	The monitor does not have component inputs. You are correct that I have been trying to feed component video to the rgb input. The only thing I accomplished by that was that I realised that the input could accept other signals than regular vga signals from a computer. I have understood the main difference between a component and a rgb signal and I will probably buy an external converter.

2nd February 2006, 02:10 PM	#30
dnsey diyAudio Member Join Date: Mar 2004 Location: Shropshire, England	I've done a bit of research, and it seems that there are at least two versions of your monitor. One has component inputs, and the other (presumably the one you have) doesn't. However, both appear to have s-video sockets, which amount to pretty much the same thing. Connect your player via s-video, and you should have as good a display as you're going to get, with no problems

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