I have seen some disassembly of similar models on Youtube channel The Smoking Cap. He works on the f15 and f65 which share similar transports but more PCB. Not a perfect 1 to 1 but may be some help in knowing what's what
If anyone is looking for new take up reels for their wm-(f)10/20/30/100 etc. there is a seller in china selling them: https://www.ebay.com/itm/3580826697...SB726K&hash=item535f63eca8:g:MlIAAeSwH6hoqBJl They are also selling the F10 flex cable