PG-M15 (serv.man4). Service Manual Part 3 - Troubleshooting (30-37) - Sharp Projector Service Manual (repair manual). Page 3

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32
PG-M15X
PG-M15S
AN-M15T
2-2. B. Performance Troubleshooting
Yes
No
Have image?
No
Main PWB unit 
Troubleshooting
Main PWB unit 
Troubleshooting
Change
DMD Module
No
Yes
Have garbage
pattern?
No
Yes
No
Uniformity OK?
Change
Optical Engine 
Module
Change
Optical Engine 
Module
No
No
Is color OK?
No
No
No
Yes
Have dot defect?
No
Yes
Have line bar?
No
Adjust
frequency
No
Yes
Have noise?
No
Adjust
tracking
End
Start
Change
DMD Module
Change
DMD Module
Change
DMD Module
Main PWB unit 
Troubleshooting
Main PWB unit 
Troubleshooting
Main PWB unit 
Troubleshooting
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