After reading carefully your instructions to hack 5083 LG so I could access VCD and SVCD and after a bad experience with green screen I publish all experience.

:::::::: Advice :::::::

1. Before you make anything you must:
1.1. take note of original codes you may have access
1.2. be aware some modifications can be undone
1.3. try the support of the factory

:::::::::: unhack 5083 LG ::::::::::

2. I tried the hack for VCD / SVCD for 5083 LG and I got a green screen

How to unhack this model ????

1. power on the player with no dis in the drive.
2. press Pause on remote
3. using the remote control, key in the following: 1, 4, 7, 2
4. press up arrow three times
5. press 9,4 on remote
6. press enter (the display should flash briefly)
7. press return/enter
8. power off and then back on
9. your DVD play screen should be there as it was before
10. But VCD and SVCD get enabled