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Old 13-06-2007, 02:24 PM
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circumpolar (Matt)
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Question Audio/Video advise needed

I have an LCD screen (ex computer) spare that I want to use as a video/DVD only-watching unit for the kids in their room. I want to know if I can connect it up to the RCA video(yellow) output on a sperate DVD player. I figure that all I should need is an adaptor to convert the signal from a RCA out to the cable shown below. Does such a thing exist and is it possible? cost?

Is this possible at all?

The LCD screen has it's own seperate power cable.
The DVD unit has it's own audio.

Thoughts...
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Old 13-06-2007, 02:52 PM
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erick (Eric)
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I've gone the other way - computer VGA out, converted to TV RCA in signal. Box cost >$100 and the result was very iffy on text, OK on images.

Put simply, the people that made TVs never talked to the people that made computer monitors - apples and pears. I expect a conversion box exists, but I suspect the result may be less than acceptable?


Looks like some "boxes" exist - this will be US NTSC? :-

http://cgi.ebay.com/GE-TV-to-PC-Moni...QQcmdZViewItem

Here is something in Australia - whizz-bang, but $358!! Probably get a small colour TV for less!

http://micronica.com.au/catalog/atv3000/

Last edited by erick; 13-06-2007 at 03:05 PM.
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Old 13-06-2007, 04:03 PM
Barrykgerdes
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Hi

Converting digital signals Using RGB or components (also normal computer screen 15 pin output) to analogue composite video for connection to a TV type screen through the RCA connectors or "S" video is a very unsatisfactory way to display video. The best resolution you are likely to get is about 340 TV lines, The equivalent of a 340 x 250 pixel display.

Having said that I have such a device that I was given which takes the video from the computer video monitor and sound (with a through line to the normal video monitor) and converts it to RGB + sync, RCA standard video and sound, and S video. I use the S video and sound connected to a 119 cm projection screen TV. It is pretty cruddy but it has one advantage in that a number of my home made DVD's lock up in the DVD player (a darned nuisance when it is getting interesting) but they play OK in the computer so I can at least watch them. The Windows desktop is quite fuzzy though.

Incidently the problems of the two systems NTSC and PAL is largely irrelevant these days as most TV's automatically accept either.

Converting the other way is much more complex. I once had a video monitor that would accept TV output via an RCA connector. If you are electronoically minded and can design and build this sort of equipment it is possible to make a small "black box" that will convert the annalogue video to components suitable for connection to a computer type video monitor. However I am an electronics engineer and I would not even attempt it as it would cost more for the bits than a cheap TV set (39cms are about $150) that would also have an RCA video in socket

Barry

Last edited by Barrykgerdes; 13-06-2007 at 04:20 PM.
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Old 13-06-2007, 07:13 PM
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circumpolar (Matt)
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Thanks for the feedback guys.

I was hoping the answer would be easy and cheap.

I wonder if buying a very very cheap second hand computer with a DVD player built in on ebay or something is the answer?
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Old 13-06-2007, 08:10 PM
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netwolf
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Hi Matt,

You can get something like this http://cgi.ebay.com.au/New-XGA-TV-Bo...QQcmdZViewItem

or
This Gadmei unit is available from MSY.com.au for $69
http://www.gadmei.co.uk/products/TV5821E.aspx

Note these units have built in TV tuners and can also be used to connect external TV/AV signals.

Regards
Fahim
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Old 14-06-2007, 08:14 PM
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circumpolar (Matt)
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Thanks netwolf.

I will try to get a closer look at the XGA systems. They seem to have a built in speaker but I also want to find out if they have audio out as well.
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