Code multiregion EWD70V5 DVD region Player Problem i cannot play other region dvd's

Here is one way:
To change the player region code
1. Be sure players drive is empty (nodISC)
2. Enter following key sequence using remote control:

Enter, 6, >=10, <<, 00F2, Audio, 8, * requested region code here (1-8) *, Subtitle, 1

3. Player will reset and requested region code will be set.
- For example to set region code to 3 press: "Enter, 6, >=10, <<, 00F2, Audio, 8, 3, Subtitle, 1"

To set the player to RCE proof region free
1. Be sure players drive is empty (nodISC)
2. Enter following key sequence using remote control:

Enter, 6, >=10, <<, 00F2, Audio, 8, 1, Subtitle, 4

3. Player will reset and set to "region-free" and "RCE-free" mode

To restore players factory region code
1. Be sure players drive is empty (nodISC)
2. Enter following key sequence using remote control:

Enter, 6, >=10, <<, 00F2, Audio, 8, 9, Subtitle, 1

3. Player will reset and set to factory region code


and here is a forum whre you can get more information
http://www.avforums.com/forums/showthread.php?s=df1223ea6de85d218b01e9719ddec248&t=368649