Re: QMX - smoke - another C107/Q108 failure
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Hello Dave
I don't think that is necessary.?
With a lot of effort, messing around with a poor intermittent 12V power supply connection, while simultaneously holding the left knob (power on/off) pressed, I was able to kill the 5.6V zener. But I don't think it is a major risk. You really had to try hard, to do it.
On Thu, Aug 31, 2023 at 12:43?PM David Wilcox K8WPE via <Djwilcox01= [email protected]> wrote: In this line of emails does it mean one should not turn the power ON and OFF in rapid succession or even semi quickly because it takes a few extra milliseconds for the power supply controls to do their job?? IE turn on, let it run a few seconds before turning off….. about the time needed to smell or see the magic smoke. ?
Dave K8WPE? David J. Wilcox’s iPad ? What a complete detailed response and education for everyone. I am impressed with your bandwidth and expertise relative to this wonderful QMX product.
Hi hi, bandwidth and expertise? You should ask my family, how often I showered, shaved, even SPOKE to them in the last few months! It's by far the biggest project I've ever done. So yeah I know every resistor and every line of code! I could probably write it all out from my head with very few errors!
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