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Vista - RGB to S-video converter for using HDTV as computer monitor?

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Old 02-24-2009   #1 (permalink)
Mackie


 
 

RGB to S-video converter for using HDTV as computer monitor?

A pal of mine with low sales resistance went out and against advice,
bought a Wal-Mart special; an HP Pavilion "Slimline" with No S-video
and HDMI outputs. According to the specifications for this HP S3713W,
the video/graphics are all on the motherboard . . .

http://h10025.www1.hp.com/ewfrf/wc/d...roduct=3870526

Furthermore, though there is in her "Slimline" one available slot
provided to accept a "replacement" graphics card (for whichever model
would have such a card) according to the manual, it will accept only
"low profile" cards, and even at that they warn it still might not
fit, so as to allow the inputs and outputs be exposed at the opening.
And since for her computer, this would not be a card replacement,
those "cables" and plugs they refer to would be who-knows-where on the
motherboard, or even hard-wired to it.

So now I'm wondering about something like this RGB to S-video
converter . . .

http://www.js-technology.com/product...products_id=34

My friend is largely blind, but she can see images and text on a large
screen. My question is this: would such a converter enable video
output from her computer to a large 42" LCD HDTV--and if so, would the
mouse function be operative on that large screen same as on the 19"
LCD monitor that came with her computer? Most importantly, would she
get a full 42" display of her desktop and applications?

Sure hope somebody can help. I'd really like to be able to bring her
some good news, despite her screw-up. She got it cheap! Maybe she can
have her "BigASS TV" computer monitor and keep eating cake too?
--
JM

My System SpecsSystem Spec
Old 02-24-2009   #2 (permalink)
almostbob


 
 

Re: RGB to S-video converter for using HDTV as computer monitor?

many lcdtv have a vga port as well as hdmi & svideo hiding somewhere, if it
does its just a connector cable from local geekstore to do the connection, &
yes you should be able to set it a full 42 inch wide, & mouse etc works

--
_ _
"Mackie" <jpdm45@xxxxxx> wrote in message
news:920063ec-9501-457a-9fac-6b25b8dce0bd@xxxxxx
Quote:

>A pal of mine with low sales resistance went out and against advice,
> bought a Wal-Mart special; an HP Pavilion "Slimline" with No S-video
> and HDMI outputs. According to the specifications for this HP S3713W,
> the video/graphics are all on the motherboard . . .
>
> http://h10025.www1.hp.com/ewfrf/wc/d...roduct=3870526
>
> Furthermore, though there is in her "Slimline" one available slot
> provided to accept a "replacement" graphics card (for whichever model
> would have such a card) according to the manual, it will accept only
> "low profile" cards, and even at that they warn it still might not
> fit, so as to allow the inputs and outputs be exposed at the opening.
> And since for her computer, this would not be a card replacement,
> those "cables" and plugs they refer to would be who-knows-where on the
> motherboard, or even hard-wired to it.
>
> So now I'm wondering about something like this RGB to S-video
> converter . . .
>
> http://www.js-technology.com/product...products_id=34
>
> My friend is largely blind, but she can see images and text on a large
> screen. My question is this: would such a converter enable video
> output from her computer to a large 42" LCD HDTV--and if so, would the
> mouse function be operative on that large screen same as on the 19"
> LCD monitor that came with her computer? Most importantly, would she
> get a full 42" display of her desktop and applications?
>
> Sure hope somebody can help. I'd really like to be able to bring her
> some good news, despite her screw-up. She got it cheap! Maybe she can
> have her "BigASS TV" computer monitor and keep eating cake too?
> --
> JM

My System SpecsSystem Spec
Old 02-25-2009   #3 (permalink)
Paul


 
 

Re: RGB to S-video converter for using HDTV as computer monitor?

Mackie wrote:
Quote:

> A pal of mine with low sales resistance went out and against advice,
> bought a Wal-Mart special; an HP Pavilion "Slimline" with No S-video
> and HDMI outputs. According to the specifications for this HP S3713W,
> the video/graphics are all on the motherboard . . .
>
> http://h10025.www1.hp.com/ewfrf/wc/d...roduct=3870526
>
> Furthermore, though there is in her "Slimline" one available slot
> provided to accept a "replacement" graphics card (for whichever model
> would have such a card) according to the manual, it will accept only
> "low profile" cards, and even at that they warn it still might not
> fit, so as to allow the inputs and outputs be exposed at the opening.
> And since for her computer, this would not be a card replacement,
> those "cables" and plugs they refer to would be who-knows-where on the
> motherboard, or even hard-wired to it.
>
> So now I'm wondering about something like this RGB to S-video
> converter . . .
>
> http://www.js-technology.com/product...products_id=34
>
> My friend is largely blind, but she can see images and text on a large
> screen. My question is this: would such a converter enable video
> output from her computer to a large 42" LCD HDTV--and if so, would the
> mouse function be operative on that large screen same as on the 19"
> LCD monitor that came with her computer? Most importantly, would she
> get a full 42" display of her desktop and applications?
>
> Sure hope somebody can help. I'd really like to be able to bring her
> some good news, despite her screw-up. She got it cheap! Maybe she can
> have her "BigASS TV" computer monitor and keep eating cake too?
> --
> JM
Generally, you'd want to start with the make and model number of the
42" LCD TV, download the manual, and inspect it for connector options.
Composite or S-video might be my last choice for an interface (text
would be almost unreadable and blurry, just like text is on TV
broadcasts). Some LCD TVs have VGA connectors, in which
case your problem is solved for testing purposes. You could
try it out right away.

If there are computer related interfaces, there may be resolution
tables in the LCD TV manual as well. It is best if the computer can
be put in "native" resolution mode. If the TV was 1366 x 768 pixels,
then you'd want to find that value listed as an option in the
tables. That way, there is no re-sampling of the computer image.
That helps keep the text sharp.

So post the TV make and model first.

The other issue, is looking inside the slimline case, to get an
estimate of how long a video card it will accept. If you could find
a web link on the HP site, showing a picture of any video card
offered as an option for the computer at introduction, that
also might guide you in finding an aftermarket video card.
If you aren't gaming, the card doesn't have to be expensive.

This "low profile ready" card for $40, ships with the regular height
faceplate bolted to it. You unplug the VGA cable from the
video card, unscrew the faceplate, and then install the
low profile faceplate. Then, the video card has two connectors,
an HDMI and what is presumably a DVI-I connector. The HDMI
might go to the LCD TV. There is no auxiliary power cable for
the card, so you just insert the card in the slot, and use
whatever clamp exists at the faceplate, to hold it in place.
(Some cases use a screw-less fastener.)

http://www.newegg.com/Product/Produc...82E16814125251

http://www.gigabyte-usa.com/Products...GV-R435OC-512I

The following one is a previous generation HD 2400 Pro, with
S-video and composite, as well as a DMS-59 to dual DVI or dual VGA.
So this has a total of three connector outputs, of which you can use
any two. You could drive a VGA and a TV for example. Or two VGA.
The other card offered two of three as well.

It is possible, when the video card is plugged in, the motherboard
VGA connector will be disabled, but you probably won't need it.
The only thing I see missing from this next card, that I might regret
later, is any mention of HDCP. So if you were to use a
DVI-I to HDMI passive dongle as an adapter, then it is
possible that the missing HDCP may cause issues with
some movie playback.

http://www.newegg.com/Product/Produc...82E16814129106

http://en.wikipedia.org/wiki/Hdcp

http://www.microsoft.com/whdc/device...t_protect.mspx

Some cards with HDMI, support audio over HDMI as well. On
an ATI card, the digital audio may be built in (and use
a RealTek HDaudio driver to get working - that can be
confusing when you see it in Device Manager). Some Nvidia
cards use an SPDIF passthru connector instead, requiring a cable
be run from the motherboard SPDIF (RCA), to a two pin connector
somewhere on the video card. Just in case you were
wondering why a video card would have a twisted pair cable
with some goofy connectors on it. That is for audio passthru
on designs that could drive HDMI, but don't have HDaudio right
on the video card itself. The workaround for this cabling
nightmare, is just to run audio from the green Line-Out on
the computer (analog audio), to a couple RCA audio jacks on the TV set,
then select the right input with the TV on-screen display. The
same as you'd have to do, if using S-video or composite signals.

The LCD TV manual should make this a lot clearer and easier
to understand. I'm throwing out lots of jargon here, to
help you find references to stuff.

Paul
My System SpecsSystem Spec
Old 02-25-2009   #4 (permalink)
Just Me


 
 

Re: RGB to S-video converter for using HDTV as computer monitor?

Wow. This is right on the money, Paul. I'll get this off to her,
pronto!
Thanks a million.
--
JM
Quote:

> Generally, you'd want to start with the make and model number of the
> 42" LCD TV, download the manual, and inspect it for connector options.
> Composite or S-video might be my last choice for an interface (text
> would be almost unreadable and blurry, just like text is on TV
> broadcasts). Some LCD TVs have VGA connectors, in which
> case your problem is solved for testing purposes. You could
> try it out right away.
>
> If there are computer related interfaces, there may be resolution
> tables in the LCD TV manual as well. It is best if the computer can
> be put in "native" resolution mode. If the TV was 1366 x 768 pixels,
> then you'd want to find that value listed as an option in the
> tables. That way, there is no re-sampling of the computer image.
> That helps keep the text sharp.
>
> So post the TV make and model first.
>
> The other issue, is looking inside the slimline case, to get an
> estimate of how long a video card it will accept. If you could find
> a web link on the HP site, showing a picture of any video card
> offered as an option for the computer at introduction, that
> also might guide you in finding an aftermarket video card.
> If you aren't gaming, the card doesn't have to be expensive.
>
> This "low profile ready" card for $40, ships with the regular height
> faceplate bolted to it. You unplug the VGA cable from the
> video card, unscrew the faceplate, and then install the
> low profile faceplate. Then, the video card has two connectors,
> an HDMI and what is presumably a DVI-I connector. The HDMI
> might go to the LCD TV. There is no auxiliary power cable for
> the card, so you just insert the card in the slot, and use
> whatever clamp exists at the faceplate, to hold it in place.
> (Some cases use a screw-less fastener.)
>
> http://www.newegg.com/Product/Produc...82E16814125251
>
> http://www.gigabyte-usa.com/Products...aspx?ClassValu...
>
> The following one is a previous generation HD 2400 Pro, with
> S-video and composite, as well as a DMS-59 to dual DVI or dual VGA.
> So this has a total of three connector outputs, of which you can use
> any two. You could drive a VGA and a TV for example. Or two VGA.
> The other card offered two of three as well.
>
> It is possible, when the video card is plugged in, the motherboard
> VGA connector will be disabled, but you probably won't need it.
> The only thing I see missing from this next card, that I might regret
> later, is any mention of HDCP. So if you were to use a
> DVI-I to HDMI passive dongle as an adapter, then it is
> possible that the missing HDCP may cause issues with
> some movie playback.
>
> http://www.newegg.com/Product/Produc...82E16814129106
>
> http://en.wikipedia.org/wiki/Hdcp
>
> http://www.microsoft.com/whdc/device...t_protect.mspx
>
> Some cards with HDMI, support audio over HDMI as well. On
> an ATI card, the digital audio may be built in (and use
> a RealTek HDaudio driver to get working - that can be
> confusing when you see it in Device Manager). Some Nvidia
> cards use an SPDIF passthru connector instead, requiring a cable
> be run from the motherboard SPDIF (RCA), to a two pin connector
> somewhere on the video card. Just in case you were
> wondering why a video card would have a twisted pair cable
> with some goofy connectors on it. That is for audio passthru
> on designs that could drive HDMI, but don't have HDaudio right
> on the video card itself. The workaround for this cabling
> nightmare, is just to run audio from the green Line-Out on
> the computer (analog audio), to a couple RCA audio jacks on the TV set,
> then select the right input with the TV on-screen display. The
> same as you'd have to do, if using S-video or composite signals.
>
> The LCD TV manual should make this a lot clearer and easier
> to understand. I'm throwing out lots of jargon here, to
> help you find references to stuff.
>
> * * Paul- Hide quoted text -
>
> - Show quoted text -
My System SpecsSystem Spec
Old 02-25-2009   #5 (permalink)
John


 
 

Re: RGB to S-video converter for using HDTV as computer monitor?

While we're on this subject, I have a question or two to ask.
see below

"Paul" <nospam@xxxxxx> wrote in message
news:go2n5v$eon$1@xxxxxx
Quote:

>
> Generally, you'd want to start with the make and model number of the
> 42" LCD TV, download the manual, and inspect it for connector options.
> Composite or S-video might be my last choice for an interface (text
> would be almost unreadable and blurry, just like text is on TV
> broadcasts). Some LCD TVs have VGA connectors, in which
> case your problem is solved for testing purposes. You could
> try it out right away.
Are you saying that VGA is the best? I've always thought that S-Video or
perhaps HDMI gives us better and sharper picture compared to VGA.
Quote:

> If there are computer related interfaces, there may be resolution
> tables in the LCD TV manual as well. It is best if the computer can
> be put in "native" resolution mode. If the TV was 1366 x 768 pixels,
> then you'd want to find that value listed as an option in the
> tables. That way, there is no re-sampling of the computer image.
> That helps keep the text sharp.
Once again, wouldn't HDMI give us sharpest picture? You're correct about
composite. I have my obsolete PC connected to my old tube TV with a
composite cable. Text is so blurry and unreadable. I have never seen a PC
connected to (high def) TV with other types of connection (VGA, S-Video,
HDMI etc). I'm planning to buy an LCD TV and a new PC. That is why I ask.
What type of connection gives us the best picture quality? Thanks much.


My System SpecsSystem Spec
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