Sorry, user error with a bit of panic.... I don't know how I did it, but I installed C10 (bottom of the board) into C38's position. C10 is a 10uf electrolitic on the output of U9 to ground. That fixed it all, now I just hope I didn't blow up U3.

Jeremy
KB8LFA

Stuart Rohre wrote:

Jeremy, there is not another diode in series with the reg. chip which would step up its output voltage?

Are you checking against voltage test points listing of voltages from the manual or the web site?

What kind of meter are you using, is it 10 megohms input impedance like a DMM?

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