Harman Kardon DVD506 region-free hack

Ensure there is no disc in the tray.

Put player into standby.

On the remote control press clear while switching player on.

Press OSD to bring up the screen menu.

Enter the code 3 1 4 1 5 9 + region no. ie 3141591 for region 1 etc - '0' for region free.

*If at any time after a code change the player is in standby and the clear button is pressed when the player is

turned on, the player will revert back to the original code of sale