Hi all, I was wondering if any of you know a good vintage repair tech in the UK - preferably in driving distance from London - who can look at my Sony TA-5650. It's started to run a little cool for a VFET and after a while one or the other channels goes quiet. Diodes were replaced in the early...
You can cold 'blue' (black oxide) the parts yourself if you get steel (not stainless steel) and paint on 'super blue' or 'perma blue' which is selenium dioxide. it immediately reacts with the steel turning it black. Black oxide rust (Fe3O4) is different to red rust (Fe2O3). It's easier to find...