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.......... .......... .......... .......... ............ ............ ............ .. ............ ............ ............ .......... ............ .......... .......... .. Tab It is recommended that the lamp be replaced after approximately 900 cumulative hours of use or when you notice a significant deterioration of the picture and color quality. Carefully change the lamp by following the steps below. If the new lamp does not light after replacement, take your projector to the nearest Authorized Sharp Industrial LCD Products Dealer or Service Center for repair. Purchase a replacement lamp unit (lamp/cage module) of the current type BQC-PGC20X//1 from your nearest Authorized Sharp Industrial LCD Products Dealer or Service Center. Then carefully change the lamp by following the instructions below. If you wish, you may have the lamp replaced at your nearest Authorized Sharp Industrial LCD Products Dealer or Service Center. IMPORTANT NOTE TO U.S. CUSTOMERS: The lamp included with this projector is backed by a 90-day parts and labor limited warranty. All service of this projector under warranty, including lamp replacement, must be obtained through an Authorized Sharp Industrial LCD Products Dealer or Service Center. For the name of the nearest Authorized Sharp Industrial LCD Products Dealer or Service Center, please call toll-free: 1-888-GO-SHARP (1-888-467-4277). U.S.A. ONLY Removing and installing the lamp unit CAUTION • Be sure to remove the lamp cage by the handle. Be sure not to touch the glass surface of the lamp cage or the inside of the projector. • To avoid injury to yourself and damage to the lamp, be sure to carefully follow the steps below. • Be sure to change the air filter during lamp replacement. The air filter comes packaged with the lamp unit. CAUTION: • Potential hazard of glass particles if lamp ruptures. Please have Authorized Sharp Industrial LCD Products Dealer or Service Center replace lamp if rupture occurs. • Do not remove the lamp cage directly after operation of the projector. The lamp may be extremely hot. Wait at least one hour after the power cord is disconnected to allow the surface of the lamp cage to fully cool before removing the lamp cage. p Maintenance &Troubleshooting 7 Remove the lamp cage cover. 8 Remove the lamp cage. Turn over the projector and loosen the user service screw that secures the lamp cage cover. Then lift open the cover in the direction of the arrow. Loosen the securing screws on the lamp cage. Hold the lamp cage by the handle and pull it towards you. 9 Insert the new lamp cage. 10 Attach the lamp cage cover. Press the lamp cage firmly into the lamp cage compartment. Fasten the securing screws. Slide the lamp cage cover in the direction of the arrow. Then tighten the user service screw. Resetting the lamp timer 1 Connect the power cord. Reset the lamp timer. 1 Press KEYSTONE . and KEYSTONE . on the projector at the same time. 2 Press INPUT and AUTO SYNC on the projector at the same time. 3 Press AUTO SYNC and MENU on the projector at the same time. Plug the power cord into the AC socket of the projector. “LAMP 0000H” is displayed, indicating that the lamp timer is reset. 2 INPUT BACK ENTER AUTO SYNC 1 32 • Reset the lamp timer only after replacing the lamp. E-41 k This projector has a Kensington Security Standard connector for use with a Kensington MicroSaver Security System. Refer to the information that came with the system for instructions on how to use it to secure the Kensington Security projector. Standard connector Troubleshooting Problem Check No picture and no sound. • Projector power cord is not plugged into the wall outlet. • The filter cover is not securely installed. • Selected input is wrong. (See page 17.) • Cables incorrectly connected to side and rear panels of the projector. (See pages 12–15.) • Remote control batteries have run down. (See page 9.) Sound is heard but no picture appears. • Cables incorrectly connected to side and rear panels of the projector. (See pages 12–15.) • “Contrast” and “Bright” adjustments are set to minimum position. (See page 27.) Color is faded or poor. • “Color” and “Tint” adjustments are not correct. (See page 27.) Picture is blurred. • Adjust the focus. (See page 17.) • Projection distance is too long or too short to allow for proper focus. (See page 18.) Picture appears but no sound is heard. • Cables incorrectly connected to side and rear panels of the projector. (See pages 12–15.) • Volume is set to minimum. (See page 17.) An unusual sound is occasionally heard from the cabinet. • If the picture is normal, the sound is due to cabinet shrinkage caused by temperature changes. This will not affect operation or performance. Maintenance indicator illuminates. • Refer to “Lamp/Maintenance Indicators” on page 39. Picture noise appears. • Adjust the “Phase” setting. (See page 29.) 480P images do not appear. • Set the resolution mode to 480P. (See page 36.) Maintenance & Troubleshooting E-42 Appendix Appendix Attach...