Hey,
Im selling my FMT PSU cards on Tindie. Its the same one I posted on github.
This should be the silver bullet to revive a dead tower if you dont have the ability to troubleshoot the power supply beyond cap replacement.
You can grab it here.
https://www.tindie.com/products/cyo_the_vile/fm-towns-generation-234-replacement-power-supply/
You will still need an ACDC converter and Pico PSU.