Test Condition - Acer P5271 Service Manual

(1) Please get into OSD menu.
(2) To execute "Reset" function.

4-5 Test Condition

- Circumstance brightness: Dark room less than 2.0 lux.
- Inspection distance: 1.8 m~2.5 m functional inspection.
- Screen size: 60 inches diagonal.
- After repairing each unit, it should be Run-in (refer to the below table).
Symptom
Normal repair
NFF
Auto shutdown
- Get into 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 > enter
Lamp On (Min)
Lamp Off (Min)
Set Burning cycle
After setting up the time, choose ''Enter into Burn In Mode'' and press "Menu" button.
Screen Defects (While replacing DMD Chip, DMD Board, Main Board)
< Figure: Zone A, Zone B & Frame (as green line) Definition, Active area=Zone A+ Zone B >
Run-in Time
2 hours
4 hours
6 hours
Press right key to adjust the time (50)
Press right key to adjust the time (10)
Press right key to adjust the cycle
Frame
P5271/P5290/P5390W/P5271i Confidential
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