“I just bought a Samsung - 43" Class TU690T Series LED 4K UHD Smart Tizen TV and it's my first smart TV ever. I have cable through Xfinity Comcast, and I connected the coaxial cable that feeds it to the TV, but I can't make it work. what am I missing?”
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Hi, We appreciate you sharing the issues you’re experiencing when connecting your TU690T TV to your cable box. Please go to the Connection Guide for details: Source > Connection Guide. Make sure that your external device is connected securely and turned on. Move to Sources to switch to other input sources: Source > Sources. Using HDMI Troubleshooting, you can check the connection to the HDMI cable and external devices (it takes approx. 2 minutes). Source > Connection Guide > Video Device > HDMI Troubleshooting. Also, please check the broadcast signals or the network that is connected to your cable box. For further assistance, please know we’re here to help. Call us at 1-800-SAMSUNG, 8 AM - 12 AM EST, seven days a week. Or visit us on the Samsung website and click on the ‘Support’ link for: 1) LiveChat 2) Manuals, Software, & Warranty Info ~ Samsung Advisor
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