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How to use SCART for our hobby

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lettuce:


--- Quote from: Zebidee on April 07, 2012, 11:24:54 pm ---@lettuce if you bridge Scart 20 - 16 then you can bypass the 5v power altogether. trouble is, it only works for some tvs. it is quite easy to make this kind of cable so it is worth a try. I have several different types of vga-scart cables on hand to use when testing tvs.

--- End quote ---

So the attached revision diagram, could work then??

lettuce:


--- Quote from: joecontra on April 07, 2012, 03:46:23 pm ---So would the diagram attached be correct for a ATI card??
If you lead voltage from SCART 20 to SCART 16 (what I would not do), then why giving power from the VGA too?

Also whats the black ?wire that comes from VGA pin 10 and goes to pin 17 and bridges to pin 18 on the scart?
These are GND pins.

I noticed that a cable with the BC548B gives better picture than the one with the twisted sync wires.

Regards,
joecontra

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Joe, i contacted you outside this forum before Christmas, and asked you to make me one of these VGA to Scart cables which you kindly did. But have noticed with my PC turned off, put still plugged into the wall socket that if i touch the metal socket part of the scart plug i get an mild electric shock!. Any ideas why this happens even though the PC isnt turned on?

apfelanni:

mounting the pcb on a low profile bracket might be difficult , coz of the size of the scart plug. an alternative could be to screw it into a 3,5 or 5,25 front slot . this would make it easy to connect the 5-12 volt molex.

joecontra:

lettuce
Joe, i contacted you outside this forum
I looked at your e-mail adress and now I remember you. :)

i get an mild electric shock!. Any ideas why this happens even though the PC isnt turned on?
Even if the PC is turned off, there is some power in the system.

How's the cable working I built for you?


Paradroid
I think it might be time to retire from building VGA to SCART tables
I don't agree.  ;D
An EEPROM chip which provides EDID data and a sync merger XOR gate chip can be placed on a small PCB, and this small PCB can be placed in a nice little box, attached to the cable.

But I have to say, that PCB you linked is a good work, many will find it useful. :)

Regards,
joecontra

Paradroid:


--- Quote from: Zebidee on April 08, 2012, 06:03:26 am ---BTW, in my day job I am an economist & policy analyst
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Haha! The Canberra connection... ;)

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