Sony flat screen model # KDL-55EX500 & Philips is 3000d DVD video digital surround system 2002 model # LX3000 D3701 has no HDM

Jan 29, 2019
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Sony flat screen model # KDL-55EX500 & Philips is 3000d DVD video digital surround system 2002 model # LX3000 D3701 has no HDMI hookup & Motorola set top box model # DCT6416/2300. What cords do I need and how do I hook all three up correctly? I can't get the surround sound to work, and I do have the set box and the tv hooked up HDMI cord.