There are TV/VCR all-in-ones with no external inputs other than antenna-in. A VHS “coupler” would be the only way to route past the lossy tuner-to-baseband phas

There are TV/VCR all-in-ones with no external inputs other than antenna-in. A VHS “coupler” would be the only way to route past the lossy tuner-to-baseband phase of one of these (unless you’re willing to open the TV’s chassis to bodge something in.)