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I agree with the thrust of what you're saying and OP should definitely take the board to someone who will do board rework and see what they say. But I don't ag

I agree with the thrust of what you're saying and OP should definitely take the board to someone who will do board rework and see what they say. But I don't agree with: >With enough expertise, it's always possible to find and replace the faulty component/wire. That depends on what's happened. If it's an ASIC or something else complicated and application specific that's died, then the thing is probably toast unless you can find another board that died of a different cause.

midoridensha 4y ago
It really depends on what exactly is broken. If it's a BGA chip, it's much easier to just replace the whole board, because almost no one has the facilities or expertise to replace BGA packages on a board correctly. If it's a connector or a capacitor, you can do that with a soldering iron if you have some skill. If it's some little 14-pin SOIC package (with 0.5mm pin spacing) and you have a hot-air rework tool, it's trivial to replace it. Of course, most hobbyists don't have hot-air rework tools (they're not expensive though).