Optoma EX612 Service Manual page 40

For EW615i
Order Symptom
 Bright pixel ( dots)
 Dark pixel(dots)
3 Unstable pixel (dots)
4 Adjacent dark pixel (dots)
5 Dark blemish (Dirty)
6 Bright blemish (Dirty)
7 Bright dots on frame
4-4-2 Burning Test
- Temperature: 15°C~35°C
- Circumstance brightness: Normal environment
- Screen size: No concern
- Display mode: ECO mode
After repairing each unit, it should be Burn-in (refer to the below table).
Symptom
Normal repair
NFF
Auto shut down
- Get into Burn-In Mode
* Cycle setting is based on the defect symptoms. ie: If it is NFF, the burn-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
Pattern
Gray 10 pattern
White pattern
Any pattern
Any pattern
Blue 60 pattern
Gray 10 pattern
Gray 10 pattern
Burn-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
EX612/EX615/EW615i/EX612i/EX615i
Criteria
A+B=0
A+B≤7
A+B=0
A+B=0
A+B≤4
(diameter <1/2 inch)
A+B≤4
(diameter <1/2 inch)
≤1
EX615i Confidential
4-3