I am now Annoyed [Re: Old oscilloscope help: ideas sought]

Some of you may reacll that, back in July, I wrote about an oscilloscope whose power transformer failed in service. Well, today I was going through my tuit collection and found some round ones. I've now clipped the transformer free of the circuit and removed it. I then applied an ohmmeter to the transformer, now that it's free of the machine, which gave me good guesses at what winding is what. Then I got out the current-limiting light bulb rig and hooked the primary up (well, half the primary; it has a split primary, for 115/230 mains switching). Then I measured the primary voltage and the voltages on various interesting windings. Based on all of this, I think I have a good guess what's what: - Input mains: four wires, two windings, which are connected in parallel for 115V operation and series for 230V operation. - 5VAC filament winding for B+ rectifier tube. - ~800VAC CT (400-0-400) winding which is rectified for B+. (With 26V on the 115V-nominal mains primary, this measured 176V, or ~778V when running normally.) - Filament winding for one HV rectifier tube. - Filament winding for the other HV rectifier tube. - HV supply winding. - 6.3VAC CT winding to run the heaters for most tubes. (There are some 12V-heater tubes, but they all have centre-tapped heaters.) - There is one more wire unaccounted for. On opening the transformer case, I find it is a case ground. The HV supply winding appears to be fried. I didn't bother with all the filament windings (though I did measure the heater winding, which appeared to be intact); the B+ supply winding seemed intact, but the HV supply winding showed ~2V instead of the 200-300V I would expect with ~25V on the primary. So now I'm thinking of finding a half-dozen different transformers to run the six different pieces off of.... /~\ The ASCII der Mouse \ / Ribbon Campaign X Against HTML mouse at rodents.montreal.qc.ca / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B