29
Chapter 4
Performance Troubleshooting
Start
Have image?
Uniformity OK?
Is color OK?
Have garbage
pattern?
No
Change
M/B
No
Change
DMD Board
Yes
No
Change
DMD Board
No
Change
Engine Module
Change
DMD
Board
Yes
No
Yes
Yes
No
No
Color Adjust
Procedure
* Note 1
Change
M/B
No
Change
DMD CHIP
Change
Photo
Sensor
No
Change
M/B
No
Have line bar?
Dot defect isnt
compliant with
the spec.?
Yes
Change
DMD CHIP
Yes
Adjust
frequency
No
Yes
Adjust
tracking
No
No
Change
M/B
No
Change
M/B
Have noise?
End
No
No
Change
DMD Board
No
Change
DMD CHIP
Summary of Contents for PD721
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