P7280/P7270I/P7280 Refresh/P7270I Refresh
Confidential
4-2
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
P7280/P7270I/P7280 Refresh/P7270I 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)