KEYWORDS: HT3189, 3189, smart TV, digital audio out, optical, Toslink, digital analog converter, dac02
HT3189 only works with headphone jack or RCA audio output. If your smart TV only has digital audio out(optical), then you will need to separately purchase one Digital to Analog Converter(e.g. Avantree DAC02) to work together with HT3189.
You may refer to this video for step-by-step instruction: