Assessments - 4, GPA: 4
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As a result, the temperature may rise inside the unit, leading to a possible malfunction or fire. • Be sure to attach the air filter cover firmly; the power can not be turned on if it is not closed securely. • The air filter has a face and a reverse side. Place the air filter so that it fits in a notch on the air filter cover. • To erase a message, press any key on the control panel of the projector or on the remote commander. Cleaning the Air Filter B Others Troubleshooting If the projector appears to be operating erratically, try to diagnose and correct the problem using the following instructions. If the problem persists, consult with qualified Sony personnel. Power Symptom Cause and Remedy The power is not turned on. • The power has been turned off and on with the ?/1 key at a short interval. c Wait for about 45 seconds before turning on the power (see page 18). • The lamp cover is not secured. c Close the lamp cover securely (see page 35). • The air filter cover is detached. c Attach the air filter cover securely (see page 36). Both the LAMP/COVER and TEMP/FAN indicators light up. The electrical system has broken down. c Consult with qualified Sony personnel. Picture Symptom Cause and Remedy No picture. • A cable is disconnected or the connections are wrong. c Check that the proper connections have been made (see page 14). • The connections are wrong. c This projector is compatible with DDC2B (Digital Data Channel 2B). If your computer is compatible with DDC, turn the projector on according to the following procedures. 1 Connect the projector to the computer. 2 Turn the projector on. 3 Start the computer. • Input selection is incorrect. c Select the input source correctly using the INPUT key (see page 17). • The picture is muted. c Press the PIC MUTING key to release the picture muting (see page 12). The picture is noisy. Noise may appear on the background depending on the combination of the number of dots input from the computer and the numbers of pixels on the LCD panel. c Change the desktop pattern on the connected computer. The picture from the The setting of “Input-A Signal Sel.” on the SET SETTING menu is INPUT A connector is incorrect. colored strangely. c Selects “Video GBR” or “Component” correctly according to the input signal (see page 28). On-screen display does not appear. “Status” on the MENU SETTING menu has been set to “Off.” c Set “Status” on the MENU SETTING menu to “On” (see page 30). Others Troubleshooting Symptom Cause and Remedy Color balance is incorrect. • The picture has not been adjusted properly. c Adjust the picture (see page 25). • The projector is set to the wrong color system. c Set “Color System” on the SET SETTING menu to match the color system being input (see page 28). The picture is too dark. • Contrast or brightness has not been adjusted properly. c Adjust the contrast or brightness on the “Adjust Picture...” menu properly (see page 25). • The lamp has burnt out or is dim. c Replace the lamp with a new one (see page 34). The picture is not clear. • The picture is out of focus. c Adjust the focus (see page 18). • Condensation has accumulated on the lens. c Leave the projector for about two hours with the power on. The image extends beyond the screen. • The APA key has been pressed even though there are black edges around the image. c Display the full image on the screen and press the APA key. c Adjust “Shift” on the INPUT SETTING menu properly (see page 27). • This input signal cannot be projected as the frequency is out of the acceptable range of the projector. c Input a signal that is within the range of the frequency. • The resolution setting of the output signal of the computer is too high. c Set the output setting to SVGA (VPL-ES3) or XGA (VPL-EX3) (see page 14). The picture flickers. “Dot Phase” on the INPUT SETTING menu has not been adjusted properly. c Adjust “Dot Phase” on the INPUT SETTING menu properly (see page 26). Sound Symptom Cause and Remedy No sound. • A cable is disconnected or the connections are wrong. c Check that the proper connections have been made (see page 14). • The audio connecting cable used is incorrect. c Use a no-resistance stereo audio cable (see page 14). • The sound is not adjusted properly. c Adjust the sound with the VOLUME +/– key on the Remote Commander or adjust “Volume” on the PICTURE SETTING menu (see page 25). Remote Commander Symptom Cause and Remedy The Remote Commander does not work. The Remote Commander battery are dead. c Replace them with new battery (see page 12). Troubleshooting Others Symptom Cause and Remedy The control panel keys do not function. The control panel keys are locked. c Unlock the control panel keys (see page 29). Indicators Symptom Cause and Remedy The LAMP/COVER indicator flashes. • The lamp cover or the air filter cover is detached. c Attach the cover securely (see pages 35 and 36). • The electrical system may have broken down. c Consult with qualified Sony personnel. The LAMP/COVER indicator ligh...
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