Activate Extended Service Menu in 3 simple steps
3 steep procedure:
You will need to have IR transmitter (easy to build by self) or use another possible methods to send service codes.
1. TV is ON. Send codes to enter service menu:
INFO+FACTORY
Wait for Service Menu screen.
2. Send code for unlock:
FACTORY+3SPEED
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 or send this combination from IR port.
All available IR codes in one archive.