Sadly replacing the chip in question is not only nearly as expensive as these drives typically sell for in the US, but beyond my level of SMD rework skills... :/ I have one with the same issue I just picked up from Goodwill, I may try recapping just for practice to see if it makes a difference...
Any chance you have any spare "Budget" PCBs for sale? I'm trying to restore a couple of old compact macs and am handy soldering... I can get the SD card module and the other items from the BOM like the 1704 on my own, including the DB-19 connector, but this PCB design seems perfect for my...