well my tv had the optical and the red and white but doesnt work .. or are you saying it has the optical port along with the red and white are optical as well??
americanaudiophile :
TV has optical audio out. If your soundbar only has analog audio in you need one of these
http/www.parts-express.com/parts-express-dac-digital-to-analog-converter-%2851-compatible%29--180-999