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Author Topic: My A500 "project" pics, details, build log?  (Read 55755 times)

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Offline AmmoJammoTopic starter

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Re: My A500 "project" pics, details, build log?
« Reply #509 from previous page: July 01, 2013, 10:54:35 PM »
The device outputs what is being input. It doesn't change the resolution or the aspect ratio. It Dmdpmt stretch or scale the image, the tv does!
 

Offline djos

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Re: My A500 "project" pics, details, build log?
« Reply #510 on: July 01, 2013, 11:09:17 PM »
Quote from: AmmoJammo;739512
The tv stretches it.


So the TV is telling you it's receiving 576i (or 576p) non-anamorphic 4:3?
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Offline djos

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Re: My A500 "project" pics, details, build log?
« Reply #511 on: July 01, 2013, 11:16:17 PM »
Quote from: Oldsmobile_Mike;739511
Why would the YUV converter stretch it?  If it is it's a piece of junk and should be replaced with an Indivision (haha, yes, my biased opinion), but in any case nearly any good TV has an option to stretch 4:3 to 16:9 or not.  It's an option in the menu on the TV.  Same thing, if your TV doesn't have that option junk it for a better model.  Heh.  ;)

If its a scaler too then it might stretch it to fill a 16:9 frame like the rgb-Hdmi converter does - it slightly more relevant to the 720p/1080i/p modes as they are native 16:9 modes.

SD resolutions, 480/576, are normally 4:3 but DVDs and Sdtv use a trick called anamorphic mode to produce a 16:9 picture from a 4:3 resolution and there is a flag in the Component video standard to automatically detect anamorphic mode and auto stretch the content to 16:9 if its present.
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Offline AmmoJammoTopic starter

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Re: My A500 "project" pics, details, build log?
« Reply #512 on: July 01, 2013, 11:35:11 PM »
The yuv input will always be stretched to full screen. You can plug a composite signal into the green connector and the tv will still scale it to full screen.
 

Offline magnetic

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Re: My A500 "project" pics, details, build log?
« Reply #513 on: July 02, 2013, 03:32:36 AM »
Very nice a500 there super clean! DO NOT DO NOT PUT IT IN A TOWER. The whole point is original.
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Offline djos

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Re: My A500 "project" pics, details, build log?
« Reply #514 on: July 02, 2013, 03:54:14 AM »
Quote from: AmmoJammo;739521
The yuv input will always be stretched to full screen. You can plug a composite signal into the green connector and the tv will still scale it to full screen.


Well I've now bought one to have a play. :)
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Offline mrknight

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Re: My A500 "project" pics, details, build log?
« Reply #515 on: July 02, 2013, 04:46:05 AM »
This one was it?
http://www.ebay.com.au/itm/221156873851?clk_rvr_id=496218061615

You mentioned that you could adjust contrast and colours. But where are the dials for that? I can't see anything on the photo...
 

Offline djos

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Re: My A500 "project" pics, details, build log?
« Reply #516 on: July 02, 2013, 05:13:55 AM »
Quote from: mrknight;739553
This one was it?
http://www.ebay.com.au/itm/221156873851?clk_rvr_id=496218061615

That's the one I've ordered and I think that's the one AJ linked to.
« Last Edit: July 02, 2013, 06:50:23 AM by djos »
[SIGPIC][/SIGPIC] Amiga 1200 w/ ACA1220 16Mhz 128MB w/ RTC, 4GB CF-HDD, Roland MT-32 MIDI Synthesiser
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Commodore 64 w/ 1541 Ultimate-II inc Tape Adapter, JiffyDOS, 1541 Disk Drive, 1531 Datasette, Flyer Net Modem
 

Offline AmmoJammoTopic starter

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Re: My A500 "project" pics, details, build log?
« Reply #517 on: July 02, 2013, 06:21:03 AM »
Inside ;)
 

Offline mrknight

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Re: My A500 "project" pics, details, build log?
« Reply #518 on: July 02, 2013, 06:27:57 AM »
Quote from: AmmoJammo;739557
Inside ;)
Ah, that explains why I can't see any knobs on the photos.

I just ordered one:)
 

Offline AmmoJammoTopic starter

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Re: My A500 "project" pics, details, build log?
« Reply #519 on: July 02, 2013, 08:12:06 AM »


If you have multiple Amigas, Sega Mega Drives, Master Systems, or Super Nintendo consoles, (or others I'm sure) that have what is basically a scart rgb output, it makes sense to get one of these so you can get the best possible picture on a modern tv ;)
 

Offline djos

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Re: My A500 "project" pics, details, build log?
« Reply #520 on: July 02, 2013, 08:14:25 AM »
So have you tried a 15khz video source with it on a TV that doesn't support native 15khz RGB?
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Offline AmmoJammoTopic starter

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Re: My A500 "project" pics, details, build log?
« Reply #521 on: July 02, 2013, 08:16:40 AM »
As you are probably aware of, I made up a circuit that was basically the same as this device, and it worked on two other tvs that didn't accept 15Khz.

In fact, this TV with the scart input won't accept the Amiga input on the vga connector either...
 

Offline djos

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Re: My A500 "project" pics, details, build log?
« Reply #522 on: July 02, 2013, 08:17:45 AM »
Quote from: AmmoJammo;739564
As you are probably aware of, I made up a circuit that was basically the same as this device, and it worked on two other tvs that didn't accept 15Khz.

In fact, this TV with the scart input won't accept the Amiga input on the vga connector either...
Good stuff :)
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Offline mrknight

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Re: My A500 "project" pics, details, build log?
« Reply #523 on: July 18, 2013, 11:49:47 AM »
I got my SCART to Component converter the other day and I already got my SCART cable from AmigaKit. Today I finally got the chance to test it! All I got on the TV was a message saying Invalid Format. That was a letdown! Question: Did you experience anything like this? And what kind of format does it actually output?
 

Offline djos

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Re: My A500 "project" pics, details, build log?
« Reply #524 on: July 18, 2013, 11:53:43 AM »
Quote from: mrknight;741191
I got my SCART to Component converter the other day and I already got my SCART cable from AmigaKit. Today I finally got the chance to test it! All I got on the TV was a message saying Invalid Format. That was a letdown! Question: Did you experience anything like this? And what kind of format does it actually output?

I got mine the other day too, It doesnt work on my 22" Samsung AV Monitor but it does work on my 32" Sony Bravia TV - looks bloody brilliant too.

My TV shows it as 576i being input and even RSCP works perfectly (High-Res Laced mode).

:cool:
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