Mitsubishi VS-5075 Owner's Manual page 108

Calling for service
If you are unable to correct a problem with your Projection TV,
consult your Mitsubishi dealer or Mitsubishi Authorized Warranty
Service Center.
Do not adjust any controls not described in this owner's guide.
Do not remove the protective back cover of this unit.
If you see one of the following displays on your screen, you should
not change any settings. These are special displays used by the
factory.
FACTORY MENU
Initial E2 Initial
Hotel : OFF 3Dia : ON
Power Restore : OFF Speaker Ext : ON
Antenna : 2 3D Y/C : ON
Input : 3 E_ : ON
When muting : ON Auto clock : ON
Woofer : OFF
SS ATTACH : OFF
Firmware Version Number 1.04
OPTION IvlENU
Initial
Hotel : OFF
Power Restore : OFF
Antenna : 2
Input : 3
When mutinc! : ON
If these displays appear, make sure tlhat all of the on/off settings
are the same as the illustrations above, then turn the Projection TV
off. If any of the settings are diffbrent from the illustrations above,
turn the Projection TV off and consult your Mitsubishi dealer or
Mitsubishi Authorized Warranty Service Center.
Troubleshooting 111