Best way to remove a parental lock from a lg plasma tv

LG Service Menu Instructions

Method 1

Press and Hold <OK> button on remote as well as TV panel at the same time for a few seconds.

Method 2

Press and hold the {MENU} button on the remote and the {MENU} button on the TV at the same time for at least 5-7 seconds.

Method 3

Press and hold the {MENU} button ON THE REMOTE until a 4-digit password screen is displayed.
LG Service Menu PIN/Password Codes

• 8 7 4 1
• 8 7 4 3
• 7 7 7 7
• 0 0 0 0
• 8 8 7 8
• 0 4 1 3

LG LCD Monitor Service Menu Instructions

1. First turn off the lcd monitor, then press and hold the "MENU" button, then turn on the monitor. Release MENU button after the monitor is turn on.
2. Press "MENU" button to open the OSD menu, at the bottom of menu, you can see a new selection to go into the factory service mode. Inside the factory service mode, you can see useful information like, product model, manufacturer date, F-ENGINE chipset version, lcd panel number and etc.