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The first device in the line of XRGB upscan converters. It has four dip switches for changing configurations, and potentiometers to adjust colors and brightness.


Dip switches

Values Description
15 kHz / 31 kHz Adjust output scan rate
NTSC / PCB 75 ohm / 220 ohm setting
FM Towns /Normal Special setting for FM towns computer
Normal / Narrow Control aspect ratio (*)

(*) note that only V2.2 PCB has DIP switch for Normal / Narrow, the V1.1 PCB only has three DIP switches.




  • RGB in 15-pin D-sub (for older Japanese monitors, can be connected to VGA via special cable)
  • RCA stereo out

Capacitor List

External links

NCSX XRGB-1 page

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