Optoma EP783 Service Manual page 44

No Symptom
 Auto Shut Down
3 No Light On
- Check LED Status
a. Lamp LED Light, Standby LED on, Temp LED off
- Check Lamp
- Check Lamp Driver
- Check LVPS
- Check Main Board
b. Temp LED Light, Standby LED on, Lamp LED off
- Check Thermal Sensor
- Check Thermal Switch
- Check Fan
c. Standby LED on blue 2 minutes then change to red, Temp LED Standby LED on blue 2 minutes then change to red, Temp LED
off, Lamp LED off 2 minutes later, on 5 seconds, then off again.
- Check Color Wheel
- Check Photo Sensor
- Ensure all connectors are securely connected and aren't
broken
- Check Lamp Module
- Check Lamp Driver
- Check LVPS
- Check Main Board
- Check Color Wheel
- Check Photo Sensor
EP783/EP783S/EP783L/OPX5000/TX783L/TX783S Confidential
Procedure
Standby LED on, Lamp LED off
LED on blue 2 minutes then change to red, Temp LED LED on blue 2 minutes then change to red, Temp LED on blue 2 minutes then change to red, Temp LED Temp LED
3-3