Testing 130V voltage regulator

[Reece]

Resurrecting this thread: I had to let the set sit for a while due to other demands on my time. The set works fine, great picture and sound. But I have a couple of questions before closing it up.

1. I had to replace Q501 the horizontal driver with the suggested equivalent NTE 399. Per Sams, the collector should be 33 volts but I get 52. My guess is it's because the replacement is close to the original NAP part but not exactly?
2. The HOT Q502 I replaced with the suggested NTE 2353. Per Sams, the collector should be 127 volts (pin 4 out of the 130 volt regulator is the correct 130 volts) but I can't get a readng: the DVM just shows random tenths of a volt. My guess is because the signal on the line is fooling the DVM? How to measure this voltage?