No. Symptom Procedure
4 No image
• Ensure the signal cable and source work (If you connect
multiple sources at the same time, use the "Source" button
switch)
• Ensure all connectors are securely connected and aren’t
broken
• Check Main board
• Check DMD chip
• Check Color wheel
• Check Optical engine
5 Mechanical noise
• Check Color wheel
• Check System fan and Blower fan
6 Line bar/Line defect
• Check if the Main board and the DMD board are assembled
properly
• Check Main board
• Check DMD chip
7 Image flicker
• Do "Reset " of the OSD menu (page 66 "OSD Reset")
• Ensure that the signal cables and source are work as well
• Check Lamp module
• Check Color wheel
• Check Photo sensor and clean Photo sensor
• Check Main board
8 Color abnormal
• Do "Reset" of the OSD Menu (page 66 "OSD Reset")
• Adjust “Color Wheel Index” (page 66 "OSD Reset")
• Check Main board
• Check Color wheel
9
Poor uniformity/
Shadow
• Ensure the projection screen without dirt
• Ensure the projection lens is clean
• Ensure the brightness is within spec
• Check rod alignment
• Check Optical engine
4. Troubleshooting
50
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