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DMcMahon · 12th May 2021, 9:35 am

I see that the German TK 20 schematic on radiomuseum.org shows the 220V version with no mains voltage selection switch. This shows the output of the mains fuse connecting to the top end of the mains transformer primary (grey wire) and from there up to the A2 contact. The lower end of the primary winding (black wire) is shown connected up to the run capacitor.

All this is exactly how my TK 20 is wired.

David

12th May 2021, 9:35 am	#9
DMcMahon Dekatron Join Date: Apr 2019 Location: Worthing, West Sussex, UK. Posts: 6,603	Re: Help getting Motor to Run on TK20 I see that the German TK 20 schematic on radiomuseum.org shows the 220V version with no mains voltage selection switch. This shows the output of the mains fuse connecting to the top end of the mains transformer primary (grey wire) and from there up to the A2 contact. The lower end of the primary winding (black wire) is shown connected up to the run capacitor. All this is exactly how my TK 20 is wired. David