Fuse was blown on the 12V right before the power connector for the disk tray.

I have a PlayStation 5 CH-1215A with a Disk drive not reading disks anymore. (accepting and ejecting very slowly.)
Knowing the PS5 has a married daughter board for the disk drive I made sure to use that and replace the rest of the disk tray as it* was owned previously by an indoor smoker.
Once the job was complete and put back everything together, I tried to insert a disk with no luck at all...
So, I checked voltage going from the ps5 to the daughter board and am only getting the 5V rail.
With that knowledge I preceded to check all the fuses for the 12v rail on the main...

New To the site, working on self teaching and learning from others on how to diagnose and repair.