XG-NV21SE (serv.man3). Introduction and contents, , Removing of major parts - Page 1-14 - Sharp Projector Service Manual (repair manual). Page 13

4-1. Remove the three lock screws off the power/ballast PWB assembly.
4-2. Remove the two lock screws off the lamp socket holder and detach the holder.
4-3. Disconnect the ground wire from the filter PWB.
4-4. Lift the power/ballast PWB assembly and take out this assembly.

4-1

4-2

4-3

4-4

Power/Ballast Unit Ass'y

to Filter Unit

Sound Out Unit