Three labeled pins: ANAR, GND, and ANAL
https://digipres.club/system/media_attachments/files/113/400/890/445/411/528/original/518b96035d90cf34.jpg
I was doing Tumblr trick or treat and was reminded of a Pioneer Laserdisc player's PCB, and it's unambiguously labeled Analog Right, Ground, and Analog Left pins.
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