Mitsubishi Electric WD-57831 Service Manual page 35

Adjustment Procedure (57" & 65")
1) Remove rear cover.
2) Tape the Lamp Switch closed (Figure 1)
2) Activate the internal Test Pattern
"MENU-2-4-5-7" then press "FF/FWD".
3) Refer to Figure 2 and loosen Locking
Screws [A-1] through [A-4].
MODEL: WD-57831 / WD-65831 / WD-73831
57 INCH AND 65 INCH MODELS
Optical Engine Adjustments
Figure 1: Lamp Swtich
Page 35
Figure 2: Locking Screws