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 Post subject: Analogue DAC + RGB SCART issue :/
PostPosted: Fri Jul 31, 2020 9:16 pm 


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Joined: 12 Oct 2018
Posts: 11
Hello,

Ordered the DAC a couple of months ago, but didn't have a cable with SCART until now that Retro Gaming Cables in the UK had them shipped.

Been trying all day to get the DAC to work with the Super Nt and the Mega SG. It just doesn't work properly no matter what I do.

The picture keeps rolling and flickering violently across the screen on my B&O MX4000 and Sony KX-14CP1no matter the configuration, it simply won't get a stable clear image.

Oddly enough, Super Nt displays (sort of) a stable image when set to default option "Synch on Composite", albeit with a good amount of flickering across the screen,
which makes it unplayable anyways. Included a video here.. https://vimeo.com/443501068

Maybe I overlooked something crucial? Anyone else here who encountered anything similar?

Both my sets work fine with other consoles via RGB SCART.


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 Post subject: Re: Analogue DAC + RGB SCART issue :/
PostPosted: Fri Jul 31, 2020 9:24 pm 


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Joined: 12 Oct 2018
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Image
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 Post subject: Re: Analogue DAC + RGB SCART issue :/
PostPosted: Fri Jul 31, 2020 9:40 pm 


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Joined: 06 Mar 2006
Posts: 12365
Location: Germany
NOW I know what that cable was that RGC just sent me.....

This is likely a bad cable. Might be bad ground connection or something.

Doesn't the A.DAC support composite video output as well? If so, it would send composite video to the same pin used for RGB sync, so your B&O should be able to display it through the Scart connection. Give it a try.


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 Post subject: Re: Analogue DAC + RGB SCART issue :/
PostPosted: Fri Jul 31, 2020 10:46 pm 


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Joined: 12 Oct 2018
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Fudoh wrote:
your B&O should be able to display it through the Scart connection. Give it a try.


Thank you for your reply, Fudoh.
You're absolutely right, there's an overall stabilized image on the B&O, but unfortunately with really distracting flickering.

Looks like this:
https://vimeo.com/443501068


I really do hope it's just the cable, that would be much easier to rectify (resolder? send back?)


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 Post subject: Re: Analogue DAC + RGB SCART issue :/
PostPosted: Sat Aug 01, 2020 7:34 am 


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Joined: 06 Mar 2006
Posts: 12365
Location: Germany
Do you have a continuity tester?

I still think it's bad ground line somewhere. With a continuity tester you could check which pins on the HD15 side are connected to which pins on the scart end. Pinouts are available here: https://support.analogue.co/hc/en-us/ar ... alogue-DAC

Pin 18 on the Scart connector would the main one to check.

If you don't have a continuity tester, just open the scart end and take some photos.

With a simple VGA to YUV breakout adapter (or dongle) you could easily check the DAC itself, since you can grab composite video or YUV from the according RCA connectors.


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 Post subject: Re: Analogue DAC + RGB SCART issue :/
PostPosted: Sat Aug 01, 2020 3:46 pm 


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Joined: 12 Oct 2018
Posts: 11
Unfortunately not in possession of any of those things. Will have to look around for those.

Image

Image

Does look like every pin is soldered on there correctly to my eyes.


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 Post subject: Re: Analogue DAC + RGB SCART issue :/
PostPosted: Sun Aug 02, 2020 5:08 am 


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Joined: 06 Oct 2015
Posts: 2324
Location: Montréal, Canada
You may want to just contact the seller/manufacturer, as this sounds like a warranty issue.


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 Post subject: Re: Analogue DAC + RGB SCART issue :/
PostPosted: Sun Aug 02, 2020 3:46 pm 


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Joined: 12 Oct 2018
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Thanks guys, Robert at Retro Gaming Cables said he'll send a new one for free tomorrow.

Fingers crossed it's the cable and not the dac.


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 Post subject: Re: Analogue DAC + RGB SCART issue :/
PostPosted: Wed Aug 05, 2020 4:55 pm 



Joined: 05 Aug 2020
Posts: 1
@hemipode

I am having exactly the same issue! I received the exact same cable from retro gaming cables today. Mega SG on my B&O MX4000 has a weird flickering at the top of the screen and Super NT screen just rolls. Did you get this sorted in the end?


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