Samsung PN51E6500EFXZA - Manual (Page 251)

1. Go to the
Reset menu. ( Support
→
Self Diagnosis
→
Reset )
2. The PIN input screen appears. Enter
the four digit security PIN using your
remote.
N If you have not changed the PIN,
enter the default PIN, 0-0-0-0.
You can change the PIN using the
Change PIN option.( System →
Security → Change PIN )
3. When done, the PIN screen disappear.