Samsung SP-M220W Owners Manual - Page 46
Screen and, External, Source, Symptoms, Troubleshooting
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Symptoms Screen and External Source Cannot see picture images. Poor color. Images are not clear. Strange noise. An operating LED is lit. Lines appear on screen. No external device screen is displayed. Only a blue screen appears. Screen appears in black and white or in an odd color, or the screen is too dark or bright. Troubleshooting Be sure that the power cord of the projector is connected. Be sure that the proper input source is selected. Check that the connectors are properly connected to the ports at the back of the projector. Check the Remote Control batteries. Be sure that the and settings are not at their lower limit. Adjust the and . Adjust the focus. Check if the projector is too far from or too near to the screen. If a strange sound continues, contact your Service Center. Refer to the LED Indications section. On-screen noise may occur when using your PC. Adjust the frequency (refresh rate) of the screen. Check the operating status for the external device and check whether the adjustable menu items, such as and have been changed correctly in the command screen of the Projector menu. Be sure to properly connect the external devices. Check the connection cables again. As mentioned above, check the adjustable items such as , , or in the menu. If you want to restore various settings to their factory defaults, run from the menu. 4-1 Troubleshooting