Sony VPL-EX275 Operating Instructions - Page 46
Symptoms, Remedy, The settings for Brightness, Contrast, and Lamp Mode
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Symptoms The image is dark/too bright. Remedy The settings for "Brightness," "Contrast," and "Lamp Mode" affect brightness of the image. Check if the value is appropriate. The image will be dark when the lamp is burnt out. Check "Lamp Timer," and replace the lamp with a new one if necessary. "With Static Signal" is set to "On." Page 20, 27 30, 47 27 During picture muting, the lamp is dimmed to reduce power 27 consumption. When video signal is not input, the lamp is dimmed to reduce - power consumption. The image becomes When the lamp is dimmed for a long time, brightness may - darker or brighter. increase temporarily, but this is not malfunction. When the "Lamp Mode" is set to "Auto," the luminance of the 27 lamp changes according to the input image. The image is not clear. Check if the projector is in focus. 15 The picture will not be clear if condensation has accumulated - on the lens. In this case, let the projector sit for about two hours with the power on. The image is noisy. Check if the connecting cable is connected to the external 9 equipment properly. No sound. (VPL- Check that the connecting cables between the projector and 9 EW275/EW245/ external video or audio equipment are securely connected. EW225/EX275/EX245/ EX225 only) Check if the external audio equipment is set properly. - Audio is not output if "Speaker" is set to "Off." 25 Audio is not output if audio muting is activated. 7 Check if the volume is not set to minimum. 7, 25 The remote commander Check if the batteries are installed correctly. - does not work. Check if the batteries are not exhausted. - The fan is noisy. The sound from the fan is often greater than normal to cool the 27, 29 lamp, etc. in the following cases. • "Lamp Mode" is set to "High." • The unit is used at a high altitude. "High Altitude Mode" is set to "On." • The unit is used in the location where the temperature is high. If the ventilation holes are blocked, the internal temperature of 4, 4 the projector rises and the fan noise becomes larger. 46 Troubleshooting
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