HDMI to Component (for old JVC CRT TV)

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eightbit
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HDMI to Component (for old JVC CRT TV)

Unread post by eightbit »

So this weekend I scored a pretty nice working 32inch JVC CRT TV circa 2003. It has component connections which I have tested with a component ready DVD player and the picture looks great.

Now time to get my MiSTer to it. I am aware of the ini settings that will need to be changed, not a problem. But I am curious as to what adapter or cable to buy. I have the digital IO board that does NOT have the VGA port, so I must use the DE10-NANO's HDMI for direct video....which I hear is not a problem.

I was looking at this adapter:

https://www.amazon.com/gp/product/B07PM ... XLVF&psc=1

Will this work? Or does anyone have another recommendation that they have tested working fine for HDMI to Component to an old TV?

Any help is appreciated!
akeley
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by akeley »

Wiki says to use HDMI-VGA converter, not HDMI-Component. Maybe it will work, but I personally wouldn't risk it.

When looking for my HDMI-VGA DAC I typed in the search the name of the recommended chip - AG6200...just to be on the safe side.

Then you'll need an appropriately modded cable, check the wiki for details.
amadama
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by amadama »

I use the I/O board for component output but on a whim I tried out the following HDMI to Component adapter:
https://www.amazon.com/gp/product/B082HT11MH

It displays a picture but the colors are off, kind of greenish. With ypbpr settings on ini to 0, it gives better colors but I get a rolling picture.
Sigismond0
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by Sigismond0 »

Have you tried flipping the SOG switch?
amadama
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by amadama »

Sigismond0 wrote: Tue Jun 30, 2020 10:14 pm Have you tried flipping the SOG switch?
The SOG switch is for the I/O board. I was testing direct_video via the HDMI output.
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by Sigismond0 »

Gotcha. Probably the same issue though. When using a VGA adapter, you have to do a mod to the adapter to enable SoG through it, so you might need to do something similar for the component cable.
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by eightbit »

I went ahead and ordered that adapter I linked in the beginning of this thread and it is supposed to arrive tomorrow. No skin off my nose if it does not work as I can always return it. I am just curious to see if it actually works. I will update with my results.


EDIT: And, it didn't work ;) I didn't expect it to and have the Rankie HDMI to VGA on order along with VGA to component cable, but I was curious and wanted to see what happens. Well, now we all know ;)
amadama
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by amadama »

Which component cable did you order?
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eightbit
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by eightbit »

amadama wrote: Thu Jul 02, 2020 6:07 am Which component cable did you order?

I ordered this:

https://www.amazon.com/gp/product/B00ZM ... UTF8&psc=1

and this (as a comment in the reviews from someone specifically called out that it worked with the MiSTer....more people should do that!):

https://www.amazon.com/gp/product/B07F3 ... UTF8&psc=1


I am fairly certain this combo will work as I have seen many reported that the Rankie adapter is compatible. I spent a lot of time in forum threads before ordering these as I want to make sure I get it right and move on with using this on a CRT. Pretty excited about that!
amadama
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by amadama »

I have those same exact items for my Mister. The HDMI to VGA adapter I use for hooking up to a Dell 2001fp monitor and the cable I use for my I/O board to go to a Component input on a TV. Hope you can get the combination to work for HDMI-Component.
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by ioev »

I still think it would be great if the Analogue DAC signal spec was opened up so that other devices (MiSTer?) could support it.
GusCrt
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by GusCrt »

Very interesting topic. Anyone knows why the hdmi to vga works and for component doesn't? I am just looking for a component output for my crt :/ so sad that zero lag hdmi2component doesnt work, my dream its a 240p signal with conponent cable haha im knew to the mister system, someone knows how to output component signal with no lag?
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by thorr »

GusCrt wrote: Thu Jan 07, 2021 5:01 am Very interesting topic. Anyone knows why the hdmi to vga works and for component doesn't? I am just looking for a component output for my crt :/ so sad that zero lag hdmi2component doesnt work, my dream its a 240p signal with conponent cable haha im knew to the mister system, someone knows how to output component signal with no lag?
This works great for me:
https://www.ebay.com/itm/J-Tech-Digital ... 4222036088
Yodasghost
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by Yodasghost »

thorr wrote: Thu Jan 21, 2021 12:11 am This works great for me:
https://www.ebay.com/itm/J-Tech-Digital ... 4222036088
Do you know if this adds any lag on the vga or component?
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by thorr »

Yodasghost wrote: Thu Apr 15, 2021 7:44 pm
thorr wrote: Thu Jan 21, 2021 12:11 am This works great for me:
https://www.ebay.com/itm/J-Tech-Digital ... 4222036088
Do you know if this adds any lag on the vga or component?
Edit: This is not the same product. They updated the ebay listing, and now this converts TO HDMI, not from HDMI (wrong direction). The original product had zero lag. It worked with Duck Hunt which is the perfect lag test.
elvis
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by elvis »

Mike Chi (RetroTink designer) designed this product, and open sourced it. He's not producing it commercially, but there's a few people making and selling them I think.

https://www.retrotink.com/post/vga2ntsc-released

You need to feed it 15KHz RGBHV, as it won't down scale, but obviously the MiSTer does that fine. The "VGA" portion of the name is a little misleading, as the physical plug is a DE15 connector that expects RGBHV, but it won't work with VGA spec 31KHz resolutions.

There's a SCART connector on it too.
Yodasghost
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Re: HDMI to Component (for old JVC CRT TV)

Unread post by Yodasghost »

elvis wrote: Sat Apr 17, 2021 12:23 am Mike Chi (RetroTink designer) designed this product, and open sourced it. He's not producing it commercially, but there's a few people making and selling them I think.

https://www.retrotink.com/post/vga2ntsc-released

You need to feed it 15KHz RGBHV, as it won't down scale, but obviously the MiSTer does that fine. The "VGA" portion of the name is a little misleading, as the physical plug is a DE15 connector that expects RGBHV, but it won't work with VGA spec 31KHz resolutions.

There's a SCART connector on it too.
Ah thanks,
Yeah I stumbled across this recently too I can't seem to find a seller who has them in stock at th uk atm though
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