> The repair process for a modern phone involves swapping salvaged parts on to salvaged PCBs. Right, but, knowing what the nominal in-line resistance is betwee

> The repair process for a modern phone involves swapping salvaged parts on to salvaged PCBs. Right, but, knowing what the nominal in-line resistance is between any two pins on the board, will let you do some empirical tests to determine whether a given black-screen fault lies in the board itself, vs in one or more of the SMT components, no? (And so whether you should bother attempting to salvage the board, vs just scraping off the high-value parts and chucking it in the bin.)