TMS-RGB V2 & SEGA SC-3000

NewHome Forums Repairs and Upgrades TMS-RGB V2 & SEGA SC-3000

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  • #64859
    lazaj
    Participant

      I installed a TMS-RGB V2 on a SEGA SC-3000 PAL, and I thought I could remove the original RGB board. However, without the original RGB board, I get no video signal on the TMS-RGB V2. Is this normal?

      #64963
      TheCorfiot
      Participant

        Very likely normal.

        The TMS video out signals rely on external pullups, 270R if memory serves, but pls check the schematics.

        The original board probably had the required pull up resistors on it.

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