Got it. Resistors and caps are on order, there are some of the black beauty and bumblebee caps in the unit, I ordered replacements for all of them in the power supply. There will be some delays since

I double checked the connection on V647, they're at chassis potential. They're both tied together and directly to the metal mount of the tube socket, testing their connection to ground on any point in

C640 has 272V across it in mine. The 5651 has -172V across it. The R646/647 pair reads as 498.8Ohm measuring from node to node. I didn't desolder them to check as maybe I'm just blind but they were ha

I've been unable to track down this error for quite some time. Starting from factory cal procedures, the primaries of all transformers check out. The resistance readings for the power supply rails (-1