Samsung UN75JU650DF User Manual - Page 137
Air/Cable Antenna Connection: Try HD channels after running the Auto Program
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The problem Unable to find a Channel Try this! If your TV is not connected to a cable or satellite box, run Setup ((MENU/123) MENU System Setup) or Auto Program (Broadcasting Auto Program). The TV image does not look as good as it did in the store. The picture is distorted. The color is wrong or missing. The color is poor or the picture is not bright enough. There is a dotted line on the edge of the screen. Store displays are all tuned to digital, HD (high definition) channels. If you have an analog cable/set top box, upgrade to a digital set top box. Use HDMI or Component cables to deliver HD (high definition) picture quality. Many HD channels are upscaled from SD (Standard Definition) content. Look for a channel that is broadcasting true HD content. ●● Cable/Satellite Subscribers: Try HD channels from the channel lineup. ●● Air/Cable Antenna Connection: Try HD channels after running the Auto Program function. Adjust the cable or satellite box's video output resolution to 1080i or 720p. The compression of video content may cause picture distortions, especially in fast moving pictures from sports programs and action movies. A weak or bad quality signal can cause picture distortions. This is not an issue with the TV. Mobile phones used close to the TV (within 3.2 ft) may cause noise in analog and digital channels. If you're using a Component connection, make sure that the Component cables are connected to the correct jacks. Incorrect or loose connections may cause color problems or a blank screen. Go to the Picture menu and then adjust the Picture Mode, Brightness, Sharpness, and Color settings. See if Energy Saving ((MENU/123) MENU System Eco Solution Energy Saving) has been enabled. Try resetting the picture. (Picture Picture Reset) Change Picture Size to 16:9. The picture is black and white. If you are using AV composite input, connect the video cable (yellow) to the TV's green component jack. "" If the test picture does not appear or there is noise or distortion, the TV may have a problem. Contact Samsung's Call Center for assistance. "" If the test picture is displayed properly, there may be a problem with an external device. Please check the connections. "" If the problem persists, check the signal strength or refer to the external device's user manual.