/diy/ - Do It Yourself

I have a Fender Blues Deluxe Reissue that one day just started sounding.. bad. Normally it's crystal clean and beautiful, but now it always has a hint of distortion.
After noticing it smelled like over heating, I opened it up and found some joints in the power supply to be burnt (circled in red) - The 5W resistors there get very hot (no idea if this was the case before or indicative of whatever the problem is).
Replaced tubes, problem persists.
Checked some voltage points with a multimeter and they seem to be correct.
Where do I go from here?