Re: [vdr] [OT] Questions to VGA2SCART cable

2009-02-25 Thread Paul Menzel
Dear Christoph,


thanks for your answer and saving me from trouble. I moved your answer
inline.


Am Mittwoch, den 25.02.2009, 13:25 +0100 schrieb C.Scheeder:

> Paul Menzel schrieb:
> > Dear readers,
> > 
> > 
> > I am planning to set up a low budget VDR using the VGA2SCART patches
> > [1]. Therefore I need a VGA2SCART cable. The distance between the VDR
> > and the CRT TV will be probably 5 meters.
> > 
> > There are some howtos on the WWW on how to build a cable yourself [2].
> > But I am not experienced in soldering, so I have the following
> > questions.
> > 
> > 
> > 1. Are VGA2SCART cables you can buy also suitable and do you have
> > experiences what manufactures produce good quality cables?
> > 
> > Searching the WWW I found the following offers but no comparison or
> > review about the quality.
> > 
> > http://www.amazon.de/s/?ie=UTF8&keywords=vga+scart+kabel&tag=googhydr08-21&index=aps&hvadid=1182511121&ref=pd_sl_9bos8gcjec_e
> > http://www.kauflux.de/?id=FROOGLE&_artnr=8429706
> > http://shop.strato.de/epages/61223614.sf/?ObjectPath=/Shops/61223614/Products/avkabscavga50&ViewAction=ViewProductViaPortal&Locale=de_DE
> > http://www.google.de/products?hl=de&q=vga+scart+kabel&um=1&ie=UTF-8&ei=G3ChSabnMtKd_gbns83WCw&sa=X&oi=product_result_group&resnum=4&ct=title
> > http://www.supernature-forum.de/allgemeine-computerfragen/63171-grafik-gibt-es-vga-scart-kabel.html
> > http://forum.fachinformatiker.de/hardware/122150-vga-scart-kabel-tv.html
> > 
> > inakustik claims to have high quality cables.
> > 
> > http://www.in-akustik.com/de/KABEL/Home-Video/VGA-Scartkabel.htm

> as far as i read, all these are kabels to connect a scart-OUTPUT to an 
> VGA-INPUT.
> (scart-out of receiver to vga-in of a beamer/lcd-tv)
> These cables are useless for connecting a VGA-card to a monitor, as they do 
> not
> handle the vga-sync-singals correct.
> If you use them, you probably won't get a picture and perhaps will fry your
> tv and/or vga-card.

Does anyone know of a shop (in Europe, better Germany) selling the
correct cables?

> > 2. Are there any disadvantages in buying these cables?
> > 
> > a) I would guess, that most of the cables do not have plugs for audio
> > next to the VGA plug, so that I will need to either use an amplifier or
> > have to modify the cable and solder some wires to the SCART-plug.

> > ¹ With around 10 € for a 5 meter cable they do not seem to be that much
> > expensive.
> > 
> > 
> > [1] http://www.linuxtv.org/pipermail/vdr/2008-July/017347.html
> > [2] http://www.vdr-portal.de/board/thread.php?postid=742945#post742945


Thanks,

Paul


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Re: [vdr] [OT] Questions to VGA2SCART cable

2009-02-25 Thread Thomas Hilber
On Wed, Feb 25, 2009 at 02:51:05PM +, Tony Houghton wrote:
> I'm not sure whether C Scheeder is right, but it seems highly likely.

Christoph is right. The buyable cables operate the wrong direction for
our purposes.

> Different cards need diffeernt types of cable. For example ATI and
> Matrox cards can both output the necessary composite sync, but they need
> slightly diffeernt wiring. Most other cards can't output composite sync
> so you need a circuit to combine them.

with my cable described here:

http://www.vdr-portal.de/board/thread.php?postid=742945#post742945

you have a multi purpose solution because it does not take into account
special features of some special graphics cards.

I never understood why people rely on things like on-chip composite 
sync. You easily can do that externally by two Rs and one T.

I successfully use the VGA2SCART cable above for nVidia, ATI Radeon 
and Intel graphics. Of course driver initializes separate sync for 
all three.

> If you do go ahead and build a cable I'd recommend cutting one end off
> an existing VGA cable and using a multimeter to work out which wire is

that's how I do that. But take care to grab a cable with VGA Pin 9
wired. There are many cables out there with this pin not being connected.

Cheers
  Thomas


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Re: [vdr] [OT] Questions to VGA2SCART cable

2009-02-25 Thread Tony Houghton
On Wed, 25 Feb 2009 13:07:53 +0100
Paul Menzel  wrote:

> I am planning to set up a low budget VDR using the VGA2SCART patches
> [1]. Therefore I need a VGA2SCART cable. The distance between the VDR
> and the CRT TV will be probably 5 meters.
> 
> There are some howtos on the WWW on how to build a cable yourself [2].
> But I am not experienced in soldering, so I have the following
> questions.
> 
> 
> 1. Are VGA2SCART cables you can buy also suitable and do you have
> experiences what manufactures produce good quality cables?

I'm not sure whether C Scheeder is right, but it seems highly likely.
Different cards need diffeernt types of cable. For example ATI and
Matrox cards can both output the necessary composite sync, but they need
slightly diffeernt wiring. Most other cards can't output composite sync
so you need a circuit to combine them.

If you do go ahead and build a cable I'd recommend cutting one end off
an existing VGA cable and using a multimeter to work out which wire is
connected to which pin. Soldering SCART plugs isn't too bad because of
their size, but VGA plugs are very fiddly.

-- 
TH * http://www.realh.co.uk

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Re: [vdr] [OT] Questions to VGA2SCART cable

2009-02-25 Thread C.Scheeder
Hi,
as far as i read, all these are kabels to connect a scart-OUTPUT to an 
VGA-INPUT.
(scart-out of receiver to vga-in of a beamer/lcd-tv)
These cables are useless for connecting a VGA-card to a monitor, as they do not
handle the vga-sync-singals correct.
If you use them, you probably won't get a picture and perhaps will fry your
tv and/or vga-card.
Christoph

Paul Menzel schrieb:
> Dear readers,
> 
> 
> I am planning to set up a low budget VDR using the VGA2SCART patches
> [1]. Therefore I need a VGA2SCART cable. The distance between the VDR
> and the CRT TV will be probably 5 meters.
> 
> There are some howtos on the WWW on how to build a cable yourself [2].
> But I am not experienced in soldering, so I have the following
> questions.
> 
> 
> 1. Are VGA2SCART cables you can buy also suitable and do you have
> experiences what manufactures produce good quality cables?
> 
> Searching the WWW I found the following offers but no comparison or
> review about the quality.
> 
> http://www.amazon.de/s/?ie=UTF8&keywords=vga+scart+kabel&tag=googhydr08-21&index=aps&hvadid=1182511121&ref=pd_sl_9bos8gcjec_e
> http://www.kauflux.de/?id=FROOGLE&_artnr=8429706
> http://shop.strato.de/epages/61223614.sf/?ObjectPath=/Shops/61223614/Products/avkabscavga50&ViewAction=ViewProductViaPortal&Locale=de_DE
> http://www.google.de/products?hl=de&q=vga+scart+kabel&um=1&ie=UTF-8&ei=G3ChSabnMtKd_gbns83WCw&sa=X&oi=product_result_group&resnum=4&ct=title
> http://www.supernature-forum.de/allgemeine-computerfragen/63171-grafik-gibt-es-vga-scart-kabel.html
> http://forum.fachinformatiker.de/hardware/122150-vga-scart-kabel-tv.html
> 
> inakustik claims to have high quality cables.
> 
> http://www.in-akustik.com/de/KABEL/Home-Video/VGA-Scartkabel.htm
> 
> 
> 2. Are there any disadvantages in buying these cables?
> 
> a) I would guess, that most of the cables do not have plugs for audio
> next to the VGA plug, so that I will need to either use an amplifier or
> have to modify the cable and solder some wires to the SCART-plug.
> 
> 
> Thanks a lot,
> 
> Paul
> 
> 
> ¹ With around 10 € for a 5 meter cable they do not seem to be that much
> expensive.
> 
> 
> [1] http://www.linuxtv.org/pipermail/vdr/2008-July/017347.html
> [2] http://www.vdr-portal.de/board/thread.php?postid=742945#post742945
> 
> 
> 
> 
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[vdr] [OT] Questions to VGA2SCART cable

2009-02-25 Thread Paul Menzel
Dear readers,


I am planning to set up a low budget VDR using the VGA2SCART patches
[1]. Therefore I need a VGA2SCART cable. The distance between the VDR
and the CRT TV will be probably 5 meters.

There are some howtos on the WWW on how to build a cable yourself [2].
But I am not experienced in soldering, so I have the following
questions.


1. Are VGA2SCART cables you can buy also suitable and do you have
experiences what manufactures produce good quality cables?

Searching the WWW I found the following offers but no comparison or
review about the quality.

http://www.amazon.de/s/?ie=UTF8&keywords=vga+scart+kabel&tag=googhydr08-21&index=aps&hvadid=1182511121&ref=pd_sl_9bos8gcjec_e
http://www.kauflux.de/?id=FROOGLE&_artnr=8429706
http://shop.strato.de/epages/61223614.sf/?ObjectPath=/Shops/61223614/Products/avkabscavga50&ViewAction=ViewProductViaPortal&Locale=de_DE
http://www.google.de/products?hl=de&q=vga+scart+kabel&um=1&ie=UTF-8&ei=G3ChSabnMtKd_gbns83WCw&sa=X&oi=product_result_group&resnum=4&ct=title
http://www.supernature-forum.de/allgemeine-computerfragen/63171-grafik-gibt-es-vga-scart-kabel.html
http://forum.fachinformatiker.de/hardware/122150-vga-scart-kabel-tv.html

inakustik claims to have high quality cables.

http://www.in-akustik.com/de/KABEL/Home-Video/VGA-Scartkabel.htm


2. Are there any disadvantages in buying these cables?

a) I would guess, that most of the cables do not have plugs for audio
next to the VGA plug, so that I will need to either use an amplifier or
have to modify the cable and solder some wires to the SCART-plug.


Thanks a lot,

Paul


¹ With around 10 € for a 5 meter cable they do not seem to be that much
expensive.


[1] http://www.linuxtv.org/pipermail/vdr/2008-July/017347.html
[2] http://www.vdr-portal.de/board/thread.php?postid=742945#post742945


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