While your LG TV doesn’t have a set of analog RCA audio outputs, it actually does have two audio outputs that you can use to connect it to a home theater system, soundbar or audio receiver.
It has a fiberoptic (TOSLINK) digital output — this is actually required on any television that calls itself an “HDTV.”
How do I connect my Samsung TV to speakers?
Connecting to a Samsung TV with SoundConnect
- Follow the below steps to connect to your Samsung TV:
- Turn on the TV and Soundbar.
- Go into your TV Menu settings, and select Sound > Speaker Settings > Add New Device.
- Press the Source button on the soundbar’s top panel or remote control and select TV mode.
How do I connect my Bose surround sound to my Samsung Smart TV?
Insert the other end of the HDMI cable into one of the “HDMI In” ports on the Bose surround-sound receiver. Connect the digital optical audio cable to the “Digital In” port on the Samsung TV, if it uses this connection option.
How do I hook up external speakers to my TV without sound?
One cheap and easy way to fix this problem is to use computer speakers. All HDTVs should have a headphone output, which you can connect to stereo RCA inputs using a simple stereo 1/8″ to RCA adapter cable. These cables allow you to convert audio jack output (3.5mm Aux Headphone Jack Audio) to RCA.
Photo in the article by “Wikipedia” https://en.wikipedia.org/wiki/Phone_connector_(audio)