Ricoh Hadar-PJ1 Series, Руководство по обслуживанию на месте

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No. Symptom Procedure
4 No image
• Ensure the signal cables 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 Optical engine
• Check Color wheel
5 Mechanical noise
• Check Color wheel
• Check System fan, Blower fan, and DMD fan
6 Line bar/Line defect • Check Main board
7 Image flicker
• Do "Reset" of the OSD menu (page 89 "OSD Reset")
• Ensure that the signal cables and source 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 89 "OSD Reset")
• Adjust “Color Wheel Index” (page 87 "Color Wheel Index")
• 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
10
Dead pixel/Dust
(Out of spec.)
• Ensure the projection screen without dirt
• Ensure the projection lens is clean
• Clean Optical engine
• Check Optical engine
Main Procedures
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