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View topic - SMS2 RGB Mod not working

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  • Joined: 06 Apr 2023
  • Posts: 1
  • Location: Porto, Portugal
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SMS2 RGB Mod not working
Post Posted: Thu Apr 06, 2023 11:06 am
Hello everyone,

I started asking about this on Discord and the user Flygon suggested for me to start a topic on the forum. So here it is:
I modded an SMS2 from RF AV to RGB AV by using the mod kit and instructions from ConsolesUnleashed.

CU mods: imgur com R52Xolw
My installation: imgur com ILpDYkR

After modding, I bought two AV cables compatible with the Mega Drive, as detailed in the CU instructions, one from China and another from a local seller (who showed me a picture of it working).

When I connect the SMS to the TV directly to SCART with the chinese cable, no image shows, but if I connnect it to a SCART Hub where I also have a Sega Saturn connected, the following image is shown:
Screen shown: imgur com NJ2Ve6e

With the local seller cable, no image is shown even if connected to the hub with the Saturn.
I modified the Chinese cable so it has all the connections as bellow, but it still doesn't work properly.
SCART schematic: imgur com 50SKKZW

Tomorrow I'll do a direct connection using composite to the TV as was suggested to me on Discord by sverx.

Hope you can give me some other ideas to solve this problem.

Thank you all very much and best regards.

PS: Sorry for the weird links but it wasnt allowing me to post urls
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