RGB Encoder

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.

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

References

• [1] Figure 2-22-1, "Super NES Functional Block Diagram" on page 2-22-2 of Book I: https://archive.org/details/SNESDevManual/book1/page/n97
• http://problemkaputt.de/fullsnes.htm#snespinoutsmiscchips
• https://wiki.console5.com/tw/images/e/e6/BA6592F.pdf