i have the tv 42pfl7676k/02 and hbbtv not working.
after update the firmware from 2.9.2011 hbbtv still not full working
only on ard and zdf when you press the red button you can see only mediathek
but on ard dont hbbtv videotext
and on the private rtl sat1 usw. only a site with a issue
xml parsing failed

lan is per cable connected and i see about sat
my humax hdfox+ its all ok
i have tested a samsung 7090 and hbbtv working really full and over cabletv too

have everyone the same problem

ps polfilter is wounderfull