P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Condential 3-6
No Symptom Procedure
7Image Flicker
Do “Reset (All data)” of the OSD Menu
Ensure that the signal cables and source are work as well-
Check Lamp Module
Check Colour Wheel
Check DMD Board
Check Main Board
8 Colour Abnormal
Do “Reset (All data)” of the OSD Menu
Adjust Colour Wheel Index
Check Main Board
Check DMD Board
Check Colour Wheel
9Poor Uniformity/
Shadow
Ensure the projection screen without dirt
Ensure the projection lens is clean
Ensure the Brightness is within spec
Check rod alignment
Check Engine Module
10 Dead Pixel/Dust
(Out of spec.)
Ensure the projection screen without dirt
Ensure the projection lens is clean
Check DMD Chip and Engine Module
Check DMD Chip
Check Engine Module
11 Garbage Image
Ensure that the signal cables and source work as well.
Check Main Board
Check DMD Board
12 Remote Control/
Control Panel Failed
Remote Control
a. Check Battery
b. Check Remote Controller
c. IR Sensor Board
d. Check Main Board
Control Panel
a. Check FPC
b. Check key pad
c. Check Main Board