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It's intentional. They do not provide schematics to anyone outside of Apple and FOXCONN. They only provide diagnostics tools to "authorised repair shops" (which actually don't repair devices). They provide no information to repair shops on where they might be able to buy replacement chips (aside from searching the chip name on AliExpress). It's not as though they don't know how to repair devices, there is mountains o…
As far as I know, no manufacturer supplies laptop circuit diagrams to outside parties, except Panasonic for the Toughbook series. All the other schematics out there are leaks. Automotive manufacturers only supply wiring diagrams of the body wiring harnesses. The only electronic assemblies in cars you can get a circuit diagram for are radios; ECU internals are jealously guarded. Even in the consumer electronics indust…
http://classiccomputers.info/down/Commodore/Amiga/Amiga_A500...