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Experience with budget vga converters

post #1 of 15
Thread Starter 
I'm attempting to use a laptop with an HD3200 (HP Dv5) as my HTPC until I can build my proper box. My television is an older 27 inch CRT with COMPOSITE or S VIDEO inputs (Panasonic PV DF 2704 2703).

I'm looking at purchasing a cheap, ~$50 VGA to S Video or Composite converter box to allow watching of basically just Netflix and DVDs. I've looked in the manual and searched online for the max or fixed resolution of my CRT without luck.

I'm new to the television thing.

Two questions:

1- Anyone have experience with these cheap units? Am I better off forgetting about it, or will a cheap box operate as specified?

Example (supposedly 1680x1050):
http://www.newegg.com/Product/Product.aspx?Item=N82E16812156029&cm_re=vga_converter-_-12-156-029-_-Product

2- What is the minimum resolution the converter should be able to output to avoid a complete garbage picture on the television?

Much thanks
Edited by _02 - 1/4/11 at 9:20pm
    
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post #2 of 15
Your TV is an SD model. (User manual [from here], page 81, "EIA Standard NTSC Color".) 720x480 (or 480i) is its native resolution. Pretty much any converter with S-Video or composite outputs should work.

The one you linked to has a VGA output; it won't do what you need. (Suggestion edited out; on second glance, it has component outputs, and you need composite.)

Second edit: If your laptop can be set to the right resolution, this cable might do the trick. Otherwise, you might have to leave the 'Egg and check out this converter.
Edited by Mac the Geek - 1/4/11 at 4:14pm
    
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post #3 of 15
You will have a hell of a time trying to read anything on the screen.
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post #4 of 15
Thread Starter 
Quote:
Originally Posted by Mac the Geek;11891357 
Your TV is an SD model. (User manual [from here], page 81, "EIA Standard NTSC Color".) 720x480 (or 480i) is its native resolution. Pretty much any converter with S-Video or composite outputs should work.

Thanks for the replies.

Man, I posted the wrong model. My model is actually the PV DF 2703 (Manual).

I searched the manual online and only found mention of the displayable JPEG size, which is : 7680x7680 pixels, which is obviously not the screen resolution.
Quote:
The one you linked to has a VGA output; it won't do what you need. (Suggestion edited out; on second glance, it has component outputs, and you need composite.)

confused.gif

It's has a VGA in, a VGA out, an S Video out and a composite yellow video out.

[quote=Mac the Geek;11891357 this cable might do the trick.[/quote]

As I understand it, to use that cable, your GPU must be able to produce an S Video signal over the VGA port (TV-Out). Very few cards can do this, and my HD3200 is not one of them.
Quote:
Originally Posted by hick;11892371 
You will have a hell of a time trying to read anything on the screen.

No worries, this is just to watch movies until I can buy an HD telvision and build a proper HTPC.
Edited by _02 - 1/4/11 at 9:16pm
    
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post #5 of 15
Quote:
Originally Posted by _02;11894561 
Thanks for the replies.

Man, I posted the wrong model. My model is actually the PV DF 2703 (Manual).

I searched the manual online and only found mention of the displayable JPEG size, which is : 7680x7680 pixels, which is obviously not the screen resolution.

Specifications are on Page 6. "Television System: EIA Standard NTSC Color". Like the DF2704, this model is also a standard-definition unit.
Quote:
Originally Posted by _02;11894561 
It's has a VGA in, a VGA out, an S Video out and a composite yellow video out.

Looking at the specifications (on the Details tab), it reads as though the S-Video and composite jacks are both inputs. It's entirely possible that the page is wrong; but as it's written, the only output is the VGA out.
Quote:
Originally Posted by _02;11894561 
As I understand it, to use that cable, your GPU must be able to produce an S Video signal over the VGA port (TV-Out). Very few cards can do this, and my HD3200 is not one of them.

I was thinking that if you could lower your output resolution to 720x480, the cable might work. Not sure if it would require another change to the signal's composition.
    
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post #6 of 15
Thread Starter 
Quote:
Originally Posted by Mac the Geek;11896928 
Specifications are on Page 6. "Television System: EIA Standard NTSC Color". Like the DF2704, this model is also a standard-definition unit.

Ah, I was just looking for the wrong thing. I wasn't familiar with the standard. I looked over the specifications page many times. "It has to be here on this page". Sheesh.
Quote:
Looking at the specifications (on the Details tab), it reads as though the S-Video and composite jacks are both inputs. It's entirely possible that the page is wrong; but as it's written, the only output is the VGA out.

Ah, well I grabbed that one for example (there are many with that housing), so I can make sure I pick one with proper I/O. Thanks for the clarification. Now that I'm aware of the televisions resolution, I kind of know what limitations to expect and am not really worried about getting a converter with higher resolutions.

Thanks for the replies!
    
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post #7 of 15
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post #8 of 15
Thread Starter 
Quote:
Originally Posted by PeaceMaker;11900383 
http://cgi.ebay.com/NEW-VGA-S-VIDEO-S-VIDEO-RCA-CABLE-ADAPTER-TV-PC-/270688000828?pt=LH_DefaultDomain_0&hash=item3f06431b3c#ht_2110wt_1035

or the newegg deal works best. I bought the cable from ebay and it didnt work frown.gif

Quote from the listing:
Quote:
In order to make sure this cable work for you, please check your PC & Video Card manual or manufacturer to make sure that your VGA card
has TV-Out function capability through the VGA connector.

This is what all the cables everywhere say. Very few if any modern cards do TV out over VGA, not to mention they terminate in a female end, not a male. The cables are a scam.
    
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post #9 of 15
This is what you want: [ame="http://www.amazon.com/Computer-Presentation-Converter-Converts-Composite/dp/B0036V5KBO"]Amazon.com: Mygica VGA, Laptop, Mac, Computer to TV Presentation Converter, Converts VGA to Video, RCA Composite, S-Video and VGA - Convert you PC to a TV - Supports Resolution up to 1280 X 1024: Electronics[/ame]

Don't need specs for your TV, it's just a standard def CRT. I've had good luck using 1024x768 desktop resolution and the composite (yellow) and s-video out. 1280x1024 didn't work for me, but this adapter says it supports that. Note that s-video will be a little bit cleaner.

Note the TV will NOT actually be able to display 1024x768 or 1280x1024 pixels, but the image will still go. It will be a bit fuzzy but not that bad.
Edited by Crazy9000 - 1/5/11 at 7:56pm
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post #10 of 15
Thread Starter 
Quote:
Originally Posted by Crazy9000;11907036 
This is what you want: Amazon.com: Mygica VGA, Laptop, Mac, Computer to TV Presentation Converter, Converts VGA to Video, RCA Composite, S-Video and VGA - Convert you PC to a TV - Supports Resolution up to 1280 X 1024: Electronics

Don't need specs for your TV, it's just a standard def CRT. I've had good luck using 1024x768 desktop resolution and the composite (yellow) and s-video out. 1280x1024 didn't work for me, but this adapter says it supports that. Note that s-video will be a little bit cleaner.

Note the TV will NOT actually be able to display 1024x768 or 1280x1024 pixels, but the image will still go. It will be a bit fuzzy but not that bad.

That's what I was looking to hear. Thanks for the replies everyone.

thumb.gif
    
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