In the 70's clock projects were common in electronic magazines (NO INTERNET!). As an APRIL FOOLS, one magazine had a DECIMAL CLOCK project in readiness for "metric time" coming! I was in early high school, so I fell for it! :) btw one (non metric) clock was usjng a LSI clock chip, which for then was "new tech"!
Would love for you to do a video on how to troubleshoot potential faults on a PCB more specifically a D class amplifier. Or general rule of thumbs to apply when diagnosing any pcb. I have so many topics I'd love a video on, like even how to diagnose a faulty transistor. I enjoy your videos and find it easier to retain information compared to other channels that are either too boring, or don't clearly show how it applies to powered circuits or they're just way too over the top with distracting energy to get likes and views etc
Thanks! Yeah I will look into some kind of troubleshooting video. To be honest for me I think it would be more suited to a livestream as the video would be hours long because I never shut up haha
@@electrarc240 perhaps try focus on the main key points in order of start to finish and stick to one type of setting the circuit board is used in. Then you could make follow up videos that are linked in to the time stamps that explain further, "for further explanation of how an inductor is used in other scenarios click the link here, but for a monoblock amplifier its usually used for such and such reasons". I know one starting point of diagnosing is to identify the power supply of the board and then the output side. I can understand what most components are but I don't quite get how they work in relation to each other so having some help with that would be amazing for me personally and I'd be grateful 😊
@@electrarc240 I'm literally a "self taught hobbiest" and I've taken a particular liking in to learning how to repair amplifiers, started with power supplies. I also watched your video showing how to build a power supply and that was so perfectly explained and simplified so great work 😊
Now could you post the theoretical design and the changed version of it (derived from the fix), side by side, so that the rest of us also understand (better), on what has been changed?
FWIW, I have started to reconstruct the schematic in KiCAD so that I can build this. It’s a neat project and frankly, having to figure out what he did to fix his mistakes is a good learning opportunity. Tedious yes, and it requires a whole lot of “I’ll just do what he did and figure it out later” mental shifts. The path I’m following is to first build the schematic KiCAD as per the original, defective design and then incorporate the bodges one by one. I am literally hand marking up the bodges on a printout of the schematic because it’s just more intuitive that way for me. By following along with all the videos of the series, step by step, one can really learn an awful lot of skills. This channel is a secret treasure.
Fun project, great tutorials on KiCAD, great fault diagnosing... One thing is still hanging though, the period on the first counter input after the new crystal oscillator was in. Did you get the 86.4ms you were aiming at, or was it a bit lower than that? I am curious because after all those gate delays, I suspect the reality would not match with the maths on the paper.
@@electrarc240 I enjoyed every moment of it. I am trying to switch to KiCAD these days. I have been using Sprint Layout for many years, but it is ancient now. Tried KiCAD when it was V5, but it was very counter intuitive back then so I gave up, but it has come a long way since that and I am determined to give it a second chance.
