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3.
Electronic Alignment Procedures
A. DMD Bias Voltage Alignment
Equipment:
Procedure:
Watch DMD chip Label (Example: 9477000 0234B)
Switch the DIP switch on Chip board according to the character on the DMD chip
B
Color Wheel Delay Alignment
Equipment:
Procedure:
None
00:
Battery Biased Silicon PIN Detector
Oscilloscope
Probe
The default values let optical engine to get maximum contrast and brightness.
Open Factory OSD, and select color wheel delay item
Leave the image pure red
Put the detector on the screen that red image was projected.
Watch the oscilloscope and notice the square waveform
Use the " " and "" key to increment or decrement the color wheel delay alue
Do not adjust too much, let the signal get ahead, if it happens, go back to step 5
and do it again.
Change the input to pure blue and repeat the above procedures again.
Change the input to pure green and repeat the above procedures again.
Power Off (otherwise the value will not saved)
B,
01:
C,
10:
D,
11:
E
0
0
57
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