Electronics Repair Book -

Try searching a video for "how to test a MOSFET in circuit." You’ll have to scrub through timeline ads. Open a book to Chapter 4: "Semiconductor Testing," and you have the answer in five seconds.

The most highly-regarded and frequently reviewed book for beginners in this field is How to Diagnose and Fix Everything Electronic by Michael Jay Geier . Reviewers from IEEE Spectrum Waywardham electronics repair book