Acer P5270 Acer P5270 Projector Series Service Guide - Page 69

- Enter Burn-In Mode * Cycle setting is based on the defect symptoms. ie: If it is NFF, the run-in time is 4 hours. You have to set the lamp on for 50min. and lamp off for 10 min for 4 cycles. Press power > left > left > menu Choose Burn-In Test > enter Lamp On (Min) Press right key to adjust the time (50) Lamp Off (Min) Press right key to adjust the time (10) Set burn in cycle Press right key to adjust the cycle After setting up the time, choose Burn-In mode and hit enter Screen Defects (While replacing DMD Chip, DMD BD and MB) < Figure: Zone A & B Definition > Confidential 4-3 P5270/P5270 Refresh