7 Support for Service7.1. Supporting MethodsWe will support according to the following methods.Supporting methods Applied partsReplaced by module or block FM-Module (For specified components, supplies them discretely.)Ballast modulePower module (PB-Module)PA-ModuleReplaced by discrete components Other componentsReplaced at the manufacturingdepartmentOptical block unit (including DMD™ block), DMD™ drive module, Mechanicalshutter motor unit, Assembly parts7.2. Note for Replacement of P.C.Boards7.2.1. When replacing the A-P.C.Board· Transfer the data of the original A-P.C.Board to the new A-P.C.Board using the adjustment software and a personal computer.(If you cannot transfer the data, remove IC2508 and IC2509 from the original board and mount them on the new board.)* For the adjustment software, consult an authorized service center.7.3. Replacement of the lithium battery on the A-P.C.BoardIf the lithium battery will be empty, replace it with a new one (CR2032 or equivalent).Cautions· Explosion may occur if replacing the battery with an incorrect one.· Dispose of used batteries according to the instructions.8 Cautions for Service8.1. Servicing Methods· Never unplug the power cord from the outlet, open the circuit breaker, or perform other procedures to cut off the power lineduring the operation of any cooling fan.· Be sure to unplug the power cord from the power outlet before servicing.Powering off the projector1. Press the POWER button on the main unit, or the POWER OFF " " button on the remote control.2. Select "Execute" with or button and press the ENTER button.(or press the POWER button again.)The projection of the image stops, and the power indicator of the main unit lights up orange. (The cooling fan keepsrunning.)3. Wait until the POWER indicator of the main unit turns to red (i.e., until the cooling fans stops).4. Press the " " marked side of the MAIN POWER switch to remove all power from the projector.21PT-D3500U / PT-D3500E