Thanks Tony! More clear than mine :D
The manual changes section shows that main transformer (mine is 9100-4603) has a few substitutes depending on the serial: 08350-60064, 9100-4277 and 9100-4337 (this last is the apropiate to my unit S/N 2642A...). It is impossible to get one of those, I only see a -4277 in USA and looks smaller and less-tapped than mine, so it don't match at all.
I located two cheap used transformers in UK: cheapest option is one from an 8566B SA, who has less taps but very powerfull ones (maybe I can use one for make various supplies if it is possible? or add an aditional little transformer I have for the +-15 volt supply); and for twice that money, one from a 8922 GSM analyzer, which has enough secondary windings, but it requires mess up with connections too (I attached a table of outputs of this instrument's power supply for reference). I suppose that feeding the rectifier board with slightly different voltages from transformer?(under certain tolerance)?doesn't affect the final result.
Can anyone send or post a photo of schematics of the main transformer, rectifier and regulator boards in the 8566B manual? Mine (I attached it) is almost not readable and I need those figures to decide which transformer I'll buy. Thanks in advance.
So maybe this adventure will continue.
Every opinion or advice is welcome, honestly. I'm here to learn :)
Regards,
Ruben
RubenRubio
