I have a composite/s-video-to-HDMI converter that does well with the 
conversion (so well that Ray Carlsen bought one for himself).  You can find it 
at

https://www.ebay.com/itm/3-RCA-AV-CVBS-Composite-S-Video-R-L-Audio-to-HDMI-Converter-Adapter-Upscale/352644444452?hash=item521b3f3124:g:UyIAAOSw0ohdTTfJ

Don't get the downscaler version which down-converts the HDMI signal to 
composite (the boxes look very similar).

          Truly,
          Robert Bernardo
          Fresno Commodore User Group
          http://www.dickestel.com/fcug.htm

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