Pioneer C-90 Reference Control Center - Overview & Inside Look

After some additional research, S-Video does not seem to support progressive scan from Laser Disc players unless an external line doubler is employed.

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http://www.thevintageknob.org/pioneer-C-90.html

https://audio-database.com/PIONEER-EXCLUSIVE/amp/c-90-e.html

http://www.hifi-classic.net/review/pioneer-c-90-161.html