Repair & Schematics
PC Engine Duo-R
RGB Video Output (PC Engine Duo)
2min
It is common to install an 8-DIN Mega Drive 2 / Genesis 1 AV port on the PC Engine Duo-R and use the additional 3 pins for RGB output.
You can use the existing composite video for SYNC, or disconnect composite and wire from the HU6260 pin 44 (CSYNC) directly to the composite pin of the AV port to use a cleaner sync signal.
The R (pin ), G (pin ) and B (pin ) all come from the HU6260.
PC Engine Duo-R RGB Pinout
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PC Engine Duo-R RGB Pinout
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Notice the pinout of this mod uses different signals than the Master System 1 AV pinout, so you would want an RGB SCART cable wired correctly for this.
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Updated 26 Aug 2023
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