04-10-2021, 07:45 PM
Hi John
One other thought: make sure QP1 is MPSA92 NOT -42. use lots of light and a magnifier to read it. The wrong sex BJT could give high output or no output.
One other thought: make sure QP1 is MPSA92 NOT -42. use lots of light and a magnifier to read it. The wrong sex BJT could give high output or no output.


