IMPORTANT: Any time you install or remove components, disconnect power to the unit before you begin. "Hot Plugging" components in this manner can cause even further damage to one or more cabinet components.
The VT4 faceplate is held in with just four screws at each corner.
Remove the screws and lift out the unit.
Unplug the main connector from the bottom of the faceplate.
Unplug the small wire from the end of the power regulator.