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Quote from: markorock37 on April 13, 2024, 02:57:58 PMI don't see 2SA872 on Mouser, is KSA992 a good sub?Yes, those should work.
Quote from: saturated on April 12, 2024, 07:53:18 PMSo I'm going out on a limb here and proposing that the 8k ohm 10w resistor is shorted to ground. It measures 170v on one end and zero on the other.That's not going out on a limb, that is good solid logic. (assuming you verified the resistor is ok)
A quick look at the schematic (a forensically enhanced version kindly provided by the Mighty Mick) to me places cross hairs directly on the zener diode.
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So I'm guessing that the zener diode is shorted...idk.
Quote from: saturated on April 11, 2024, 10:29:56 PMWhat it does mean is:
The circuit is open.
Quote from: saturated on April 09, 2024, 08:49:16 PMThese two ceramics are still hot enough to cook steaks on....
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At least small steaks...well done...