I never thought I'd ever say this but I wish my 547 issues were tants.
![Laughing :-DD](https://www.eevblog.com/forum/Smileys/default/smiley_laughing.gif.pagespeed.ce._hfWAz_QHO.gif)
I had this thought pop into my mind (it is a lonely child😂)
'once a philosopher twice a pervert' Voltaire.
I've done my one 500 series Tek😁
Seriously though - good hunting, Rob
PS Mine had a shorted low voltage psu cap and a blown tube rectifier.