Optoma EW330, Service Manual

Page: 28 / 66

EX330/EW330/EX330(1W)/EW330(1W)
Confidential
3-
3-2 Main Procedure
No Symptom
Procedure
1 No Power
- Ensure the Power Cord and AC Power Outlet are securely
connected
- Check Lamp Cover and Interrupt Switch
- Ensure all connectors are securely connected and aren’t
broken
- Check Ballast
- Check DC-DC
- Check Main Board
Auto Shut Down
- Check LED Status
a. Lamp LED Light, Temp LED(off), Power LED(off)
- Check Lamp
- Check Ballast
Ballast
- Check Main Board
b. Temp LED Light or Flashing, Lamp LED(off), Power LED(off)
- Check Thermal Switch
- Check Fan
c. Power LED Flashing, Temp LED(off), Lamp LED(off)
- Check Color Wheel
- Check Photo Sensor
3 No Image
- Ensure the Signal Cable and Source work
(If you connect multiple sources at the same time, use the
“Source” button on the control panel to switch)
- Ensure all connectors are securely connected and aren’t
broken
- Check Main Board
- Check DMD Board
- Check DMD Chip
- Check Engine Module