Doug,
First be certain you have the correct pin on U2 - it is the uppermost
pin of U2 and nearest the right side panel.
If you remove the screws from the control board and tilt it slightly
forward, you can easily probe that pin from the back side of the board.
Then check to be certain U2 is
Hi Folks,
I'm very leisurely building K2 6798. I've reached page 48 where I am
performing Setting the AGC Threshold. I have a confusing situation.
Pin 5 of U2 reads 7.85 volts and this value does not change when R1 is
adjusted. I don't see any incorrectly placed components. All solder
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