Sony PS4 Disc Drive DEAD & EJECT Button NOT WORKING - Trying to FIX

Hi, in this video I attempt to repair a PlayStation 4 sent over by Mike from 1upGamingLimited on eBay. The original fault was that the discs wouldn't eject. After a solder reflow on the main board unfortunately now the discs won't play OR eject. Will it be fixable?
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Remember that this is just for entertainment and I am not an expert in these repairs. The processes in the video may not be the best way, the correct way or the safest way to fix these things. I do love fault finding and trying to fix broken things, so I hope that comes across in this 'Trying to FIX' series. Many thanks, Vince.