Here's a few more concerning that big cap in question, the "red" wire goes back to the pcb

NAD today! Got this 1990 2205 and have a few questions. First, the amp works and sounds good, I didn't get the foot switch with it but tried my Vintage-modern switch and got response, just don't know if it's working correctly. Definitely has had some work done to it (to be expected for a 25 year old...

Hi everyone, Have read everything I could about the "purple" indicator bulb issue, the one on my amp was out so I ordered a replacement M-BULB-0007, made sure it had the diode across the LED and installed that about a month ago...now it's out again. Is there a permanent fix for this? I can't believe...