Hello my fellow Carlsonians! I recently purchased a TO-5 in very good condition. The unit is working, but the indicator tube is beginning to fade, and the components are all original. I will be slowly restoring this unit to its original glory and posting my progress along the way. If anyone has had experience restoring this or similar units I’m open for advice and suggestions. I’m new to tube gear and reading schematics so I won’t be offended by any advice however elementary. I do have a manual/schematic.
All too common on indicator tubes. I was using my Heathkit IT-28 one night (which already has a not so bright tube) and left it turned on by accident. Several days later I happened to notice a green circle much dimmer than before unfortunately. I do have replacements, but no point in putting a new one in to dim out, I just shield the light off the tube and go on with my testing. So word of advice, don’t leave them powered up for days at a time!
The rest as you know is pretty textbook. Safety first, take your time, pay attention, and enjoy the journey!
Radios + Tubes + Scopes + Cars= Nothing better!