Found this information on the Phillips USA website.
http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?scy=US&slg=AEN&cat=DVD_HOME_THEATER_CA&sct=DVD_PLAYERS_SU&session=200906 This information is in the owners manual on page (45). I hope this information helps you with your problem You need to enter your six-digit
password to play a prohibited disc or if
prompted for a password. The same
default password is used for both
Parental and Disc Lock.
A In ‘Preference Page’, press to select
{ Password }, then press to select
{ Change }.
B Press OK and the menu appears on the
TV screen.
Old Password
New Password
Confirm PWD
OK
C Use the alphanumeric keypad 0-9 to
enter the six-digit password.
When doing this for the fi rst time,
enter the default password ‘136900’.
If you forget your old six-digit password,
enter the default password ‘136900’.
D Enter the new six-digit password.
E Enter the new six-digit password a
second time to confi rm.
The new six-digit password will now
take effect.
F Press OK to confi rm.