The old electronics were getting more and more difficult to repair and the tuner was drifting off-station every 15 minutes. He didn’t want to throw it away, so he decided to replace all the innards.

(1) The electronic circuit in an analog or digital TV that latches onto ... for connection to external video sources. In older PCs, TV tuner plug-in cards connected to the VGA card via an internal ...

TV tuner testing is challenging because it’s ... receivers, amps, digital-to-analog converters (DACs), etc. Lest you think we are just in it for the money … no, that isn’t the case.

Does anyone test the tuners in TVs for the ability to pull distant stations and keep them stable? Not as far as I’m aware.