No, it does not happen with the iPhone or most other Apple products. They are incredibly hostile to 3rd party repairers.
Apple is notoriously draconian about ensuring that 3rd parties are blocked from accessing schematics and repair manuals. I'm talking, they threaten lawsuits to anyone publishing schematics, and there is no legal way to obtain those schematics unless you're an Apple authorized repairer - in which case you'll never need them because your job is just to replace entire logic boards after minimal diagnostics. This creates enormous waste and costs a lot more than an actual repair would. In some cases they don't even do that and just tell the user tough shit, get a new device.