Samsung Television UNES7550 User Manual
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Picture (Troubleshooting)First, perform the Picture Test and to see if your TV is properly displaying the test image (go to Support → Self Diagnosis → Picture Test). If the test image is properly displayed, the poor picture may be caused by the source or signal. The TV image does not look as good as it did in the store. 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. NMany HD channels are up scaled from SD (Standard Definition) contents. Look for a channel that is broadcasting true HD content. ΠCable/Satellite subscribers: Try HD
channels from the channel line up. ΠAir/Cable Antenna connection: Try HD channels after performing an Auto Program. Adjust the Cable/Sat box video output resolution to 1080i or 720p. The picture is distorted: macro block error, small block, dots, pixelization The compression of video contents may cause picture distortion especially in fast moving pictures such as sports
and action movies. A weak or bad quality signal can cause picture distortion. This is not a TV issue. Mobile phones used close to the TV (within 3.3 ft) may cause noise in the picture on analog and digital channels. Color is wrong or missing. If you’re using a Component connection, make sure the component cables are connected to the correct
jacks. Incorrect or loose connections may cause color problems or a blank screen. The color is poor or the picture is not bright enough. Adjust the Picture options in the TV menu (go to Picture Mode / Color / Brightness / Sharpness) Adjust the Energy Saving option in the TV menu (go to System → Eco Solution → Energy Saving)
Try resetting the picture to view the default picture settings (go to Picture → Reset Picture). There is a dotted line on the edge of the screen. If the Picture Size is set to Screen Fit, change it to 16:9. Change the cable/satellite box resolution. The picture is black and white. If you are using an AV composite input,
connect the video cable (yellow) to the Green jack of Component on the TV. When changing channels, the picture freezes or is distorted or delayed. If the TV is connected to a cable box, try to reset the box. (Disconnect and then reconnect the AC cord and wait until the cable box reboots. It may take up to 20 minutes.) Set the output resolution of the cable box to 1080i or 720p.
Sound (Troubleshooting) First, perform the Sound Test to determine if your TV audio is operating properly. (Go to Support → Self Diagnosis → Sound Test). If the audio is OK, the sound problem may be caused by the source or signal. There is no sound or the sound is too low at maximum volume. Please check the volume of the device (Cable/Sat Box, DVD, Blu-ray etc.)
connected to your TV. The picture is good but there is no sound. Set the Speaker Select option to TV Speaker in the Sound menu. If you are using an external device, check the device’s audio output option. (Ex. You may need to change your cable box’s audio option to HDMI if you have the box connected to your TV using an HDMI cable.) If you are using a DVI to HDMI cable, a
separate audio cable is required. If your TV has a headphone jack, make sure there is nothing plugged into it. Reboot the connected device by disconnecting, and then reconnecting device’s power cable. The speakers are making an inappropriate noise. Check cable connections. Make sure a video cable is not connected to an audio input.