Test Inspection Procedure - Optoma PK-301 Service Manual

4-4-2 Burn-In Test
- Temperature: 15°C~35°C
- Circumstance brightness: Normal environment
- Screen size: No concern
- Display mode: ECO mode
After repairing PK301/PK320/PK301 PLUS, it should be Burn-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 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 airflows from projectors can flow towards the aisle.
Get into Service Mode (as above step 4-2)
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.

4-5 Test Inspection Procedure

- After changing parts, check the information below
Update
Version Update
Factory Reset
EDID
Duty Selection
Change parts
Main Board Module
V
V
V
V
PK-301/PK320/PK301 PLUS
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
Firmware
V
V
Confidential
4-3