Looking good now. Last new LM723 arrived so I chucked it in. Fortunately this one is socketed so it didn't mean removing the power supply again and was really easy.
So firstly the new LM723 regulators installed. Fortunately one of them was still good:
![](https://imgur.com/CBqocRL.jpg)
The repaired and re-connectored power supply. 6-way connectors were cheaper so I just got them. Also made for easier debugging which was handy:
![](https://imgur.com/ZuIhJwH.jpg)
Fired it up and voltages were slightly too high so I trimmed them down again to 15.000V and all the rails are now spot on.
Anyway first time this is running under its own power supply:
![](https://imgur.com/I2LEC0f.jpg)
Seems to work ok. The timebase needs a bit of a squirt of contact cleaner however. Sort of expected with the ganky switches in these scopes.
Next steps are:
1. I'm going to add a small heatsink made out of a bit of bent alu sheet to the 15V rectifier as it runs very hot. This should stop it taking the rest of the damn thing out.
2. Clean timebase out and calibrate it.
3. Feeeet. beanflying's 1740A feet will be printed by a friend of mine at some point in the next couple of weeks. He's got a relatively decent printer and is doing it for free if I set up his WiFi extender
![Smiley :)](https://www.eevblog.com/forum/Smileys/default/smiley.gif)