Mitsubishi Electric WD-57831, Service Manual, Page: 37 / 91

MODEL: WD-57831 / WD-65831 / WD-73831
Page 37
73 INCH MODEL (WD-73831)
Light Engine Adjustments
Adjustment Procedure (73 inch models)
NOTE: Set the TV on an flat level surface .
1) Remove rear cover.
2) To activate the internal Test Pattern press “MENU-2-4-5-7” then press “FF/FWD”.
3) Refer to the diagram below and loosen lock screws (D), (E). (F), (G),(H), (I) and (J)
4) Picture Rotatation is adjusted by manually moving the Engine.
5) (A) is the vertical keystone distortion adjustment
6) (B) adjusts horizontal Keystone distortion.
73” Rotation Adjustment
1) Loosen locking screws (D) through (J).
2) Manually move the Engine to remove any picture rotation.