Sharp PG-M20X Service Manual page 15

4. Removal of the operation PWB, optical unit and ballast unit
4-1. Disconnect the specified connectors from each PWB.
4-2. Remove the two lock screws from the operation PWB.
4-3. Remove the six lock screws from the optical unit.
4-4. Remove the lock screw from the ballast unit.
5. Removal of the formatter PWB
5-1. Remove the two lock screws from the heat sink.
5-2. Remove the four lock screws from the backer plate assembly, and detach the formatter PWB.
Ballast Unit
4-2
KEY Unit
4-4
4-1
DMD Unit
4-1
4-2
4-3
Optical mechanism Unit
Bottom body
Formatter Unit
Backer plate Assy
Heat sink
15
PG-M20X
5-1
5-1