Service manual
ES526/EX536/EX531/CB2800/ES526L/EX536L/DS316L
Condential
4-4
Order Symptom Pattern Criteria
3 Unstable pixel (dots) Any pattern A+B=0
4 Adjacent dark pixel (dots) Any pattern A+B=0
5 Bright blemish (Dirty) Gray 10 pattern
A+B≤4
(diameter <1 inch)
6 Dark blemish (Dirty) Blue 60 pattern
A+B≤4
(diameter <1 inch)
7 Bright dot on frame Black pattern ≤1
4-4-2 Burn-In Test
- Temperature: 15°C~35°C
- Circumstance brightness: Normal enviroment
- Screen size: No concern
- Display mode: ECO mode
After repairing each unit, it should be Burn-in (refer to the below table).
Symptem Burn-in Time
Normal repair 2 hours
NFF 4 hours
Auto shutdown 6 hours
- 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.
Note: Please make sure that the hot exhaust airows from projectors can ow towards the aisle.
Press power→ left → left → menu on remote controller
Choose Burn In > enter
Lamp On (Min) Press right key to adjust the time (50)
Lamp Off (Min) Press right key to adjust the time (10)
Set Burning cycle Press right key to adjust the cycle
After setting up the time, choose ''Enter to Burn In'' and press "enter" button.