Test Condition - Optoma EX542 Service Manual

4-4 Test Condition

- Circumstance brightness: Dark room less than 10.0 lux.
- Inspection distance: 1.8 m~2.5 m functional inspection.
- Screen size: 60 inches diagonal.
- After repairing each unit, a Run-in test is necessary (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 to get into service mode 1
Choose Burn-In Test > enter
Lamp On (Mins)
Lamp Off (Mins)
Burn in cycle
After setting up the time, choose ''Enter to Burn-In'' and press Enter button
Screen Defects (While replacing DMD Chip, DMD Board and Main Board)
Frame
Zone B
< Figure: Zone A, Zone B & Frame(as green line) Definition, Active area=Zone A+ Zone B >
EX540/EX542/EX612/EX615/EX762/EX540I/EX542I/ES523ST/EW533ST
Zone C
12.5 cm
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
12.5 cm
Confidential
4-2