open CD Tray (Leave Empty)
With Remote Press 2, 9, 1, 8, then ENTER
or use 2, 8, 1, 2, ENTER (I found this one to work)
Multiregion code is 13 *make change with remote
Use return button to exit hidden menu.
if this dosent work try
Menu 1, 6, 7, then Mute *Make sure not to press 0 or it may block the hidden menu.
(Before using this method check to see you have a mute button on your remote, if you dont, chances are you need to use one of the above.)
If you are unsuccesfull with the above code then it may be worth trying one of the resources below.
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