6.2. Removal of Upper Case1. Turn the projector upside down.2. Remove the 1 rubber cap.3. Unscrew the 6 screws.4. Return the projector to the normal position.5. Lift the upper case upward (approx. 10 cm).6. Disconnect the flexible cable from SD operation buttons(connector A1 on A-P.C.Board) and remove the uppercase.Note:When reassembling, take care about the followingitems.· Not to mistake the direction of the flexible cable.(The black surface is upper.)· Attach the rubber cap in original position without fail.6.3. Removal of A-P.C.Board1. Remove the upper case according to the section 6.2."Removal of Upper Case".2. Unscrew the 2 screws and remove the light shield metal.3. Unscrew the 1 screw and remove the grounding metal 2.4. Unscrew the 2 screws, then lift the A-P.C.Board andremove it.Note:· A-P.C.Board is connected with J-P.C.Board with theconnector. Work carefully when removing it.6.4. Removal of J-P.C.Board1. Remove the upper case according to the section 6.2."Removal of Upper Case".2. Unscrew the 2 screws and remove the light shield metal.3. Unscrew the 1 screw and remove the grounding metal 2.4. Unscrew the 2 screws and remove the A-P.C.Board block(with J-P.C.Board).5. Unscrew the 2 screws and remove the A-P.C.Board.Note:· A-P.C.Board is connected with J-P.C.Board with theconnector. Work carefully when removing it.11PT-P1SDU / PT-P1SDE / PT-P1SDEA