Did you touch anything else in the service menu? There are some calibration settings in there that will fail if the correct test signals are not being sent to the tv.
at doday i have problems with my pictuare, everithing was so dark, i cant see anything in dark movies or scenes. What does it mean in he Service menue......
SM:/Control/Sub option/"Panel auto setting-failture"
do you have the same "failture" in your servicemenue settings??
...or is something wrong now with my tv?