keithcourage
Punkic Cyborg
https://www.facebook.com/turbografxfan/
Posts: 231
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Post by keithcourage on Feb 26, 2019 22:48:25 GMT
Turbokon from pcfx and myself have been working on other HDMI Solutions using the various Pound and Hyperkin cables out there made for other systems to be used on Duos, pc engines etc.. in order for these to work the system has to have a RGB amp installed.
The results are very good And the HDMI quality is much better than those cheap RGB scart to HDMI converter boxes.
Here are the three ways that these cables will be able to be wired up.
1st DIN connector so it can be plugged directly into a RGB modded Duo.
2nd, female scart connector so it can be used on multiple retro consoles that have RGB scart. I honestly don't know why this isn't offered from the manufacturer.
3rd possibility, which hasn't been tested yet but should work, would be to have it installed internally in a Duo system with the HDMI port mounted on the back.
I should have some pictures posted of cables in action within the next few days.
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KingDrool
Punkic Cyborg
jlued686 or John F**KED, if you're nasty.
Posts: 245
Fave PCE Shooter: Lords of Thunder
Fave PCE Platformer: Bonk's Adventure
Fave PCE Game Overall: Bonk's Adventure
Fave PCE RPG: Cosmic Fantasy 2
Currently Playing: Red Dead Redemption 2
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Post by KingDrool on Feb 27, 2019 1:41:49 GMT
Very exciting, man! Looking forward to seeing the results.
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Post by soop on Feb 27, 2019 10:24:35 GMT
Oh la la! Very interesting! Does it upscale somehow?
Personally, I prefer non-permanent mods where possible - anything involving cutting plastic turns me off
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keithcourage
Punkic Cyborg
https://www.facebook.com/turbografxfan/
Posts: 231
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Post by keithcourage on Feb 27, 2019 20:24:45 GMT
well, the first two options I mentioned just involve modifying the cable so no cutting or changing anything to the case on a RGB modified system.
Yes, the cable upscales. Also, the cables output a 16:9 picture so your TV would have to have the option to change the aspect ratio to 4:3.
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Post by elmer on Feb 28, 2019 3:09:42 GMT
This could be really cool. I look forward to getting some reports of how well it works, and hearing whether you'll be able to make this work on a SuperGrafx.
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keithcourage
Punkic Cyborg
https://www.facebook.com/turbografxfan/
Posts: 231
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Post by keithcourage on Mar 1, 2019 3:35:43 GMT
Super grafx will work just fine. Basically anything that has an RGB amp installed. The cables would just have to be wired up accordingly.
I'll be wiring up a few of these later this evening.
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keithcourage
Punkic Cyborg
https://www.facebook.com/turbografxfan/
Posts: 231
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Post by keithcourage on Mar 1, 2019 7:50:11 GMT
Well after a whole bunch of testing with the SNES Pound and the PS1 Hyperkin cable, they both produce the exact same results. They work well enough but they are definitely NOT framemeister or OSSC replacements. I tested on 3 different TVS. 2 of them produced slightly better quality images over the generic scart to HDMI converter boxes. With both of these TVS the picture did still get blurry when the screen would scroll but not nearly as bad as when using a generic scart to HDMI converter box. The 3rd TV had a slightly cut off picture no matter what I tried to do with the TV settings. I should add though that this TV has the same issue with other Pound and Hyperkin HDMI cables but does not have any issue with a cut off image when using a generic scart to HDMI converter box. So these cable solutions might be very TV specific as to if they will work well for you or not. Lag also seems to be TV specific as the 2 TVs I tested that had great picture also had very minimal lag but the 3rd TV that had the cut off image had a good amount of lag. I should add that these cables do require the use of an external micro USB power supply. Even though our systems can have 5V wired up to come out of the AV port, the 5V signal produces some video interference whereas using an external power supply does not. Overall conclusion is that they do work better than the cheaper scart to HDMI converter boxes but not by a lot. If a cheap scart to HDMI box is all you have would this be a worthwhile upgrade? Probably. I don't own a retrotink but I'd be curious in the future to see how that compares. Oh and in case anyone was curious here is what the insides look like. Who you do think came up with the idea for these cables first? They look almost identical inside. Even the cases/housings are the same size. On top is Pound SNES HDMI and the bottom is Hyperkin PS1 HDMI cable.
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Post by spenoza on Mar 1, 2019 15:09:24 GMT
I'm going to suggest that these cables are probably made by the same Chinese company, in the same factory probably, and use mostly the same parts.
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Post by dshadoff on Mar 2, 2019 1:48:23 GMT
The boards are definitely different, but extremely similar.
My guess is that they are based on a reference design from the chip(s) manufacturer. And I would bet that the chips were intended for perhaps a far higher-volume use - maybe, say, as a means of accepting a composite video input, for display on an otherwise-completely-digital TV set.
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Post by Black_Tiger on Mar 2, 2019 14:52:33 GMT
hdmi mods on the actual console hardware is a bad idea. Quality external scalers are cheaper in the long run and keep your consoles future proof. People spending thousands of dollars putting hdmi upscalers in their consoles are ignoring the past and will have to replace them all once hdmi gets replaced by a new short term standard that supports 8K, 64K, etc TVs. Even using a quality external upscaler at that time on already upscaled video will result in a poorer image.
All-in-one cables are a better solution for people who only ever play one or two consoles and don't need the best video quality.
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Post by ginoscope on Mar 3, 2019 18:23:14 GMT
hdmi mods on the actual console hardware is a bad idea. Quality external scalers are cheaper in the long run and keep your consoles future proof. People spending thousands of dollars putting hdmi upscalers in their consoles are ignoring the past and will have to replace them all once hdmi gets replaced by a new short term standard that supports 8K, 64K, etc TVs. Even using a quality external upscaler at that time on already upscaled video will result in a poorer image. All-in-one cables are a better solution for people who only ever play one or two consoles and don't need the best video quality. I completely agree with this point of view. Most of these current internal mods are 1080p only and we are already using 4k. 10 years from now these internal mods are going to be all obsolete. Reminds me of the early s-video and component mods that are now all being replaced by hdmi solutions. The best solution is to have all the consoles at 240p RGB and replace the scaler over time.
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keithcourage
Punkic Cyborg
https://www.facebook.com/turbografxfan/
Posts: 231
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Post by keithcourage on Mar 4, 2019 0:22:06 GMT
Well, the plan was to also have the typical RGB din jack wired up for a DUO even if this was installed inside of a system. SO RGB out would always be a future option. However, now since after testing and knowing that the cables definitely require the use of an external micro USB power source, the internal HDMi install isn't really an option. So they can be wired up to work with the RGB din port or just simply have a female scart connector soldered on.
For what it's worth the cables do work pretty well for the price.
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Post by MotherGunner on Mar 9, 2019 1:12:02 GMT
Take my money! Can't wait!
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keithcourage
Punkic Cyborg
https://www.facebook.com/turbografxfan/
Posts: 231
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Post by keithcourage on Mar 9, 2019 3:30:43 GMT
They are ready to go!
$54 shipped for either wiring option. Din plug to go straight to DUO or female Scart so it can be used on multiple RGB modded systems.
This can only be used on systems that either natively put out RGB or have a RGB amp/mod installed.
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Post by MotherGunner on Mar 9, 2019 4:20:15 GMT
They are ready to go! $54 shipped for either wiring option. Din plug to go straight to DUO or female Scart so it can be used on multiple RGB modded systems. This can only be used on systems that either natively put out RGB or have an RGB amp/mod installed. PM'ed.
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