if you have a LG RH 7900 DVD Recorder and you want to unlock the region code, here is how:
1. insert a DVD (with the original region) 2. wait until DVD runs and the logo (i.e. Warner) appears 3. open tray (if you can see what's on tv, that's fine) 4. press 7 times 0 (0000000) 5. a massage appears that says "your recorder is now region code free" (or something like that) 6. press the yellow ok button on the massage window 7. done
now you should be able to watch any DVD you desire ! That code worked for my LG RH 7900 (bought at Media Markt Germany) If that code works for you, please leave a small thank you note. So I know my long time search for a code is appreciated.