
3-1
EP747
3-1 Equipment Needed
- PC or Pattern Generator
- DVD Player (Video, S-Video, Audio)
- Quantum Data 802B or CHROMA 2327
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 DC-DC
- Check Ballast
- Check Main Board
2
Auto Shut
Down
- Check LED Status
a. Lamp LED Light
- Check Lamp
- Check Lamp Driver
- Check Main Board
b. Temp LED Light
- Check Thermal Sensor
- Check Thermal Switch
- Check Fan
c. Color Wheel
- 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 swtich)
- Ensure all connectors are securely connected and aren’t
broken
- Check Main Board
- Check DMD Board
- Check Color Wheel
- Check DMD Chip
- Check Engine Module
Chapter 3
Troubleshooting
Содержание Optoma EP747
Страница 13: ...2 3 EP747 No Procedure Photo 3 Unscrew 5 screws and unplug FPC Wire to remove Top Cover Top Cover FPC Wire ...
Страница 25: ...2 15 EP747 No Procedure Photo 3 Unscrew 4 screws to break down DMD Fan and Speak er ...
Страница 50: ...EP747 7 1 Appendix A Exploded Overview I EP747 UNIT ...
Страница 52: ...EP747 7 3 II SUB ENGINE MODULE ...