Quote:
Originally Posted by ahjohn002
After a half wave rectifier: 324 vdc
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The circuit was designed for full wave rectified input, would applying just half wave cause the problem?
Do you have the Drain of FET TR2 correctly supplied from the un-reg HT line?
Are R6 and R7 correctly connected in parallel and both 10 Ohms?
What voltage on the gate of TR2, if low then the limiter TR3 may be coming in early.
Les