SNES Jr RGB MOD Help Please

NewHome Forums Repairs and Upgrades SNES Jr RGB MOD Help Please

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  • #57772
    Garry Crighton
    Participant

      i installed the mod but the image isnt syncing proper not sure whats the issue i tried two different cables removed the cap on it nothing.

      #57773
      Garry Crighton
      Participant

        #57775
        TheCorfiot
        Participant

          I dont think you are picking up the CSYNC signal from the right place

          #57777
          DaveK
          Participant

            I had the same kind of issue with my SNES Jr/SFC Jr despite correct soldering points on console board and the same Retro Gaming Cable NTSC SCART cable as yours with the Nintendo RGB Bypass Amp Revision 4.1b by VGP.

            I remember I had to solder jumpers J2 (Change Csync Attenuation) and J3 (Buffered Csync) to sync picture properly. Since done, it works like a charm with a perfect sync and crisp RGB signal on my CRT (via SCART) as well as an upscaler (successfully tested on OSSC and RetroTink 5X).

            I hope it’ll help you.

            #59660
            Garry Crighton
            Participant

              I finally tried soldering j2 and 3 and it just stayed the same ill try to just de and re solder everything i guess not sure maybe a wires crossed

              #60851
              Garry Crighton
              Participant

                redid everything tried all combonations i got it to move around slower and more clear now but still wont sync no idea lol

                #60852
                Garry Crighton
                Participant

                  redid everything tried all combonations i got it to move around slower and more clear now but still wont sync no idea lol

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