I can't connect my LG 32lj500D to my LG home theatre (lg ht534sn-a2). Please help. The LG TV has audio input(RCA type) but have an audio output nor an optical audio output. It has 2hdmi ports. The home theatre has a hdmi port and RCA audio output and input. No optical audio port on the home theatre too. Please help me as I don't like the sound from the tv