Retrofit with Thunderbolt Logic Board?As far as future upgrade prospects, a new logic board from iFixit is ~1/2 the price of a new MacBook Pro. So, could one...
回答“Can't turn on Beats X”Hey all, I’ve been having this issue on-and-off for the last year or so (owned them since 2017), and massaging the band/cable worked as a stop-gap measure until recently. They had a good run, so I thought I’d cut them open and share my findings for future tinkerers. After cutting away the silicone sheathing, the band consists 2 black spring wires, 2 braided nylon threads, and 8 wires divided into 2 groups of 4. From bottom to top, in standby state (I couldn’t get it to turn on), these are: (1) Red, 0.5V (2) Yellow, 0V (3) Grey, 0V (4) Green, 0.5V (5) Black, 0V (GND) (6) Purple, 3.3V standby, 5V when charging (VCC) (7) Copper (right speaker GND) (8) Copper w/ red stripes (right speaker signal) Speculating that connecting one of wires 1 or 4 to wires 2 or 3 might approximate a button press, I found neither worked to turn it on, even though it is charged (and still capable of charging). Thinking about it further, the button-side needs to be able to signal at least 5 states (LED off/red/white, button off/on),...