Mitsubishi TV V-Chip
V-Chip Reset Instructions
Mitsubishi sets use a four-digit code for a V-Chip locked program, view a locked TV, cancel the lock, or to enter the V-Chip lock menus.
You can view the locked shows on the TV set by pressing the number 9 and QV buttons on the remote at the same time, whenever your code is requested. This process temporarily unlocks the TV and asks you to enter a new code.