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10Press the following keys on the control panel in the following order for less than in five seconds each: LIGHT, ?, /, ENTER. Maintenance 33 (EN) Maintenance Notes 3 Press and hold the PUSH button and remove the • The lamp becomes a high temperature after turnig off air filter cover on the right side of the projector. the projector with the I /ukey. If you touch the lamp, you may scald your finger. When you replace the lamp, wait for at least an hour for the lamp to cool. • Be sure to use the LMP-600 Projector Lamp for replacement. If you use lamps other than LMP-600, the projector may cause a malfunction. • Be sure to turn off the projector and unplug the power cord before replacing the lamp. • Do not place the old lamp near children or near the objects which catch fire easily. • Do not get wet the lamp or fall any liquid or object inside the lamp. The lamp may broken. • Do not put your hands into the lamp replacement spot, or not fall any liquid or object into it to avoid 4 Pull up the spring. electrical shock or fire. Cleaning the Air Filter The air filter should be cleaned every 300 hours. When it becomes difficult to remove the dust from the filter, replace the filter with a new one. To clean the air filter, follow the steps below: 1 Turn off the power and unplug the power cord. 2 Pull up the carrying handle. .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 5 Remove the air filter. 6 Remove the dust from the filter with a vacuum cleaner. 7 Attach the air filter and replace the cover. 34 (EN) Troubleshooting Troubleshooting If the projector appears to be operating erratically, try to diagnose and correct the problem, using the following guide. If the problem still persists, consult with qualified Sony personnel. Symptom Cause Remedy The power is not turned on. The power has been turned off and on with the I / u key at a short interval. Wait for about 90 seconds before turning on the power (see page 21 (EN)). The lamp cover is detached. Close the lamp cover securely (see page 33 (EN)). The air filter cover is detached. Close the air filter cover securely (see page 34 (EN)). No picture and no sound. Cable is disconnected. Check that the proper connections have been made (see pages 18 (EN) to 20 (EN)). Wrong connection. Check that the proper connections have been made (see pages 18 (EN) to 20 (EN)). Input selection is incorrect. Select the input source correctly using the INPUT key (see page 21 (EN)). No picture or no sound. Either the picture or the sound is cut off. Press the MUTING keys to release the muting function (see page 22 (EN)). No picture. The computer signal is not set to output to external monitor. Set the computer signal to output to external monitor (see page 18 (EN)). The computer signal is set to output to both the LCD of the computer and external monitor. Set the computer signal to output only to external monitor (see page 18 (EN)). The picture is noisy. Noise may appear on the background depending on the combination of the numbers of dot input from the connector and numbers of pixel on the LCD panel. Change the desktop pattern on the connected computer. When inputting sound through INPUT-A connector, sound comes through one channel only. Monaural sound is being input through the INPUT-A connector. Input stereo sound. The picture from the INPUT-A connector is too bright. The 75W termination switch on the bottom is set to OFF. Set the 75W termination switch to ON. The picture from INPUT-A connector is colored strange. The 15k RGB signal is input. Input the correct signal. This unit does not accept the 15k RGB signal (see page 28 (EN)). On-screen displays do not appear. STATUS in the SET SETTING menu has been set to OFF. Set STATUS in the SET SETTING menu to ON (see page 29 (EN)). Color balance is incorrect. Picture has not been adjusted properly. Adjust the picture (see pages 25 (EN) and 26 (EN)). Projector is set to wrong color system. Set COLOR SYS in the PICTURE CTRL menu to match the color system being input (see page 26 (EN)). The picture is too dark. Contrast or brightness has not been adjusted properly. Adjust the contrast or brightness in the PICTURE CTRL menu properly (see page 25 (EN)). The picture is not clear. Picture is out of focus. Adjust the focus (see page 22 (EN)). Condensation has occurred on the lens. Leave the projector for about two hours with the power on (see page 31 (EN)). (Continued) 35 (EN) Troubleshooting Symptom Cause Remedy The LAMP/COVER indicator flashes. The lamp cover or the air filter cover is detached. Attach the cover securely (see pages 33 (EN) and 34 (E...

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