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It sounds to me you are going about it the wrong way. Please, do not use the USB port instead use one of the TV HDMI ports. Then, connect to HDMI to your cable box. You should get results using this method.
Sorry, there was a problem. Please try again later.The LG 32 inch Class 720p HD TV (31.5'' Diag), Model # 32LM505BBUA does not connect to a cable Set-Top box via USB. That will not work. It has an F-Type, 75-Ohm Coaxial Connector in the back that is labeled as "Antenna/Cable In" that you can use to connect to your cable Set-Top box for an SD picture, but if you want an HD picture, you will need to connect any of its HDMI ports to an HDMI Out on your Cable Set-Top box if it has one...^IFV
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