Not sure where to bring this up, but have been floating through SW webpages from the mid 90s and came across this 'Star Wars : Definitive Collection Flaw List' sounds similar to this threads issue.
http://web.archive.org/web/20021124151400/http://users.southeast.net/~datalore/starwars/THX.htm
Laserdisc is not my forte, is this common SW LD knowledge?