Ricoh PJ KU600, Field Service Manual

Page: 66 / 110

No. Symptom Procedure
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 (page 83 "Rod Adjustment")
• Check Optical system unit
10
Dead pixel/Dust
(Out of spec.)
• Ensure the projection screen without dirt
• Ensure the projection lens is clean
• Clean Optical system unit
• Check Optical system unit
11 Garbage image
• Ensure that the signal cables and source work as well
• Check Main board
12
Remote controller
failed
• Remote controller
a. Check Battery
b. Check Remote controller
c. Check IR sensor board
d. Check Main board
13 Function abnormal
• Do "Reset" of the OSD menu (page 84 "OSD Reset")
• Check Main board
14 Audio abnormal
• Ensure that the signal cables and source work as well
• Ensure that your projector is not in “Mute” mode
• Check Main board
• Check Speaker
15 3D image abnormal
• Ensure the using 3D glasses is good and you must face the
projection
• Ensure the signal source is 3D format
• Ensure the 3D function of projector OSD is on and 3D sync
invert is on
• Check Main board
3. Troubleshooting
64