Changed Battery and Mainboard - Charges, firmware - Won't turn onI have repaired some powerbeats v2, by happen stance i had 2 pairs 1 - had gone through the laundry and was water damaged...
"Can I purchase interchangeable/additional parts for my controller?"に関する回答Yes most of the parts are interchangeable, except the mainboard (the one with the potentiometers on it) and the sister board (the one that is still attached to the back plate when opening). All the other pieces are just normal controller pieces and can be bought for either version. Check these guides out if you need more help Xbox One Elite Wireless Controller Series 1 (Model 1698)
"Soldering 9 wires in wireles headphones"に関する回答Here are the original wire locations: Battery 1 Battery 2 Main Board 1 Main Board 2 Main Board 3 Volume Board 1 Volume Board 2 Volume Board 3 Volume Board 4