Samsung Television UNES7150 User Manual
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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 caused by the source or signal. There is no sound or the sound is too low at maximum volume. Check the volume setting 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. If the TV is connected to an external device, reboot the connected device by disconnecting, and then reconnecting the 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. For antenna or cable connections, check the signal information. A low signal level may cause sound distortion. Perform a Sound Test. ( Support → Self Diagnosis → Sound Test)
Antenna (Air / Cable) Connection (Troubleshooting) The TV is not receiving all channels. Make sure the coaxial cable is connected securely. Run Auto Program to add available channels to the channel list. Go to Channel → Auto Program then select Cable and make sure to select the correct Cable TV signal type. There are 3 options, STD, HRC and IRC. Most cable systems use STD. If you are
using an antenna, select Antenna or Air instead. Verify the antenna is positioned correctly. No caption on digital channels. Check the Caption Setup menu. Try changing Caption Mode Service1 to CC1 . Some channels may not have caption data. The picture is distorted: macro block error,
small block, dots, pixelization.The compression of video contents may cause picture distortion, especially with fast moving pictures such as those in sports and action movies. A weak signal can cause picture distortion. This is not a TV problem.
PC Connection (Troubleshooting) A Mode Not Supported message appears.Set your PC’s output resolution so it matches a resolution supported by the T V. The video is OK but there is no audio. If you are using an HDMI connection, check the audio output setting on your PC.
Network Connection (Troubleshooting) The wireless network connection failed.Make sure the TV is connected to a wireless IP router or modem. Software Update over the network fails. Run Network Status in the Network menu to confirm the connection. If you already have the latest Software (SW) version, SW upgrade will stop.
Others (Troubleshooting) Purple/green rolling horizontal bars and buzzing noise from the TV speakers with a Component cable connection.Remove the left and right audio connections from the Set-Top box. If the buzzing stops, this indicates that the Set-Top box has a grounding issue. Replace the Component video cables with an HDMI connection. The picture won’t display in full screen.