Quote:
Originally Posted by Winky Dink
The .001 disk cap is not a problem, but I don't kknow anything about diodes. (Except that they can be really bad if you put them in backwards.) So, I have diodes 1N401, -4002, -4004, -4005, -4007, 1N5399, and NTE125.
QUESTION: Can I use one of those to replace the crystal diode?
Thanks, Henry.
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Those all appear to be silicon power rectification diodes... I suspect that Heathkit used a sensitive germanium diode such as a 1N34 or 1N60 in the probe.
If the original diode checks ok, I would use it.
jr
12-04-2022, 07:57 PM
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