Sharp PG-M15X Service Manual page 31

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