Acer P3250 Acer P1350 and P3250 Projector Series Service Guide - Page 64

4-4 Test Condition - Circumstance brightness: Dark room less than 5.0 lux. - Inspection distance: 1.8m~2.5m functional inspection. - Screen size: 60 inches diagonal - After repairing each P3150/P3250/P3150 refresh/P3250 refresh , the unit should be run-in (refer to the table below) Symptom Run-in Time Normal repair 2 hours NFF 4 hours Auto shut down 6 hours - 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 50 min. 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) P3150/P3250/P3150 Refresh/P3250 Refresh Confidential 4-2