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From: Jack Gillis on 11 Dec 2009 11:34
Thank you.

I suspect you are right, Barry. I now have a converter and cloudy skies are
now serene.

"Barry Watzman" <WatzmanNOSPAM(a)neo.rr.com> wrote in message
news:hftqu0$ilh$1(a)news.eternal-september.org...
> I suspect that you bought a dedicated adapter designed for use only with
> some video cards that actually had S-Video signals present at the VGA
> connector (which is not standard). A generic adapter of this type would
> be very complex and expensive and would not look like a cable .... it
> would be an active device and, among other things, would need a power
> supply.
>
>
> Jack Gillis wrote:
>> I bought a VGA to S-Video Adapter to enable me to connect my laptop's VGA
>> output to a Projector via the S-Video input on the projector. (The
>> projector has only the S-video input.) The adapter is a 'y' type device
>> with a S-Video jack and a composite (RCA) jack.
>>
>> It doesn't work.
>>
>> I examined the pin out of the laptop's VGA and the pin in/out's of the
>> adapter. Pin 2 (Green) of the adapter connected the Chroma pin of the
>> S-video and pin 3 (Blue) connected to the Luma. This was true for two
>> other so called adapters.
>>
>> How can that be expected to produce a signal the projector can use at its
>> S-video input?
>>
>> What possible use does this type of so called adapter have?
>>
>>
>>
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