I'm trying to understand how I would add a headphone jack (audio out) to a TV of mine. The board on the TV looks like so:
And the headphone jack I have is the following:
I've tried connecting the L+ to the far left of the jack and R+ to the far right of the jack and then the middle ground port running to L- or R-
This works but results in right channel bleeding into the left channel when panning the audio. I've also tried to connect the ground wire on the jack to a common ground on the board but this blows the headphones (checking it with a voltmeter shows about 120V).
I thought I understood how a stereo jack works but this is the first time seeing a L+/L- and R+/R-. Can someone explain to me whats going on and what I should be doing? I would assume also that this port is after a gain/amp stage does that require any additional components to protect the output jack?