Activate Extended Service Menu in 3 simple steps
Wait for Service Menu screen.
2. Send code for unlock:
3. Feel free to change locked service menu options.
NB. some explanation: factory+3speed means, you have first send one key (factory) and after this send another (3speed) key.
Optional when TV is OFF, to enter service menu use INFO MENU MUTE POWER keys for EU models or MUTE 1 8 2 POWER for Asia/Pacific/American models.
All available IR codes in one archive.