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RGB Encoder

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The RGB Encoder (aka Video Encoder), straddling regions B4 and B5 of the jwdonal schematic

The RGB Encoder, as it is called in the official Super Nintendo development manual [1], converts analog RGB signals (pins 20, 21, and 22) from the Darlington triad to composite video output for Multi-Out. It also outputs to the RF Modulator.


  1. Figure 2-22-1, "Super NES Functional Block Diagram" on page 2-22-2 of Book I of the official Super Nintendo development manual
  2. http://problemkaputt.de/fullsnes.htm#snespinoutsmiscchips
  3. https://wiki.console5.com/tw/images/e/e6/BA6592F.pdf