The simple markings on photo does not have the Anode and Cathode marked.
Please reload the page as I have updated the last image.
Both should be 6.3a TD
I would check those smoothing caps on the rectifier boards they would have both been the same and TBH they look well old
I only have 100pf and 220pf on my board. on the schematic there are several other values. And it seems to be other differences on TD-500-C1, and additional components
I only have 100pf and 220pf on my board. on the schematic there are several other values. And it seems to be other differences on TD-500-C1, and additional components