PG-M15 (serv.man4). Service Manual Part 3 - Troubleshooting (30-37) - Sharp Projector Service Manual (repair manual). Page 2

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31
PG-M15X
PG-M15S
AN-M15T
2-1. A. Power Troubleshooting
Yes
No
Is LED indicator
OK?
No
Yes
Check AC cord and
input power voltage
Yes
No
Is Lamp OK?
Change
Lamp unit
Yes
No
Change Ballast 
PWB unit
Main PWB unit 
Troubleshooting
Main PWB unit 
Troubleshooting
End
Yes
No
Lamp assembly
OK?
Supply
AC Cord
No
Change
DC to DC PWB unit
No
Change
Ballast PWB unit
Reassembly
lamp
Start
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