I am surprized not to see any 120Hz ripple. What is the peak-to-peak signal voltage?
Are you sure you measured at point A (in little square), the "448V" supply that connects to the 20µ/500V filter cap and the TR2 choke?
Are you sure you measured at point A (in little square), the "448V" supply that connects to the 20µ/500V filter cap and the TR2 choke?
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