Optoma EP716, Service Manual

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3-3
EP719 / EP716 / EP719R / EP716R /
EP719P / EP716P
No Light on
- Ensure that all connectors are securely connected and aren’t broken.
- Check Lamp Module
- Check DC-DC
- Check Ballast
- Check Main Board
Mechanical Noise
- Check Color Wheel
- Check Fan Module
Line Bar/Line Defect
- Sometimes it’s because of DMD chip and DMD board did not assemble
properly
- Check DMD Board
- Check DMD Chip
- Check Main Board
Image Flicker
- Do “Reset” of the OSD Menu.
- Ensure that the signal cables and source are work as well.
- Check Lamp Module
- Check Color Wheel
- Check DMD Board
- Check Main Board
Color Abnormal
- Do “Reset” of the OSD Menu.
- Adjust Color Wheel Index
- Check Main Board
- Check DMD Board
- Check Color Wheel
Poor Uniformity/Shadow
- Ensure the projection screen without dirt.
- Ensure the projection lens is clean.
- Ensure the Brightness is within spec.
(Replace the Lamp if the Brightness is less than spec.)
- Check Engine Module