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View topic - black screen on rgb scart

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  • Joined: 12 Feb 2022
  • Posts: 3
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black screen on rgb scart
Post Posted: Mon Apr 04, 2022 3:38 pm
Hi, really this is more of a megadrive question so apologies in advance if not allowed but I thought users on here might be able to help.
When I use a scart cable on my master system, games play fine on the tv however when I use the same cable on my megadrive I can hear the games playing but cant see them on the tv.
If I connect the megadrive using the rf cable the picture is there, if I connect the megadrive to a different tv in the house with the scart cable the picture is there.
when I listen to the sound it seems like its dropping out every so often

any suggestions as to the cause of this please?

the scart cable is just a cheapo off ebay, the tv is JVC
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  • Joined: 09 Mar 2022
  • Posts: 20
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Post Posted: Mon Apr 04, 2022 5:08 pm
That's very weird. I guess that your MD is an unmodded PAL system, isn't it?
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  • Joined: 05 Jan 2006
  • Posts: 373
  • Location: USA
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Post Posted: Sat Apr 16, 2022 12:01 am
sounds like you have an issue with the MD composite out and/or missing the 220uf caps needed in the SCART cable.

Id check the MD with a composite cable first. SCART needs this signal to extract timing information
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  • Joined: 05 Jan 2006
  • Posts: 373
  • Location: USA
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Post Posted: Sat Apr 16, 2022 12:01 am
sounds like you have an issue with the MD composite out and/or missing the 220uf caps needed in the SCART cable.

Id check the MD with a composite cable first. SCART needs this signal to extract timing information
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