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| Blew Up My First Oscilloscope!!! |
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| Swainster:
--- Quote from: PixieDust on September 28, 2023, 12:30:38 pm ---Well, I repaired the scope and used it a handful of times to complete a small project and then put it into cold storage. It has been sitting idle ever since then. I turned it on just now for the first time since it’s last power off almost 5 years ago now and… more magic smoke. I was hoping to use it to learn electronics on something that wouldn’t be too expensive to blow up in case I made a mistake, but it seems like I should just get a new scope when I finally move on to electronics on serious basis. I’m starting to realise that old gear is just now worth the hassle. --- End quote --- Could be the line filter this time - it was mentioned during your original repair. At least some line filters have RIFAs inside them (looking at you, Schaffner). Other than that, I feel your pain. I love old test equipment (and old cars), but sometimes you just want it to just do its $&^$@ job |O |
| PixieDust:
Well I suppose I didn't actually see any magic smoke. But the magic smell was unmistakable. It can't be the RIFAs this time since I replaced them with a non RIFA component. So unless the components I replaced went bad in just 5 years, it must be something else. I'll have a look at it, but I have a feeling it's above my pay grade to repair it this time. |
| PixieDust:
Well, that was easier than I thought. Where's Wally? Capacitor $8. That's one expensive little thing. The nose lead the way. |
| David Hess:
--- Quote from: PixieDust on September 30, 2023, 12:41:54 pm ---Capacitor $8. That's one expensive little thing. --- End quote --- An exact axial replacement was not required. |
| PixieDust:
Thanks David. Noted. |
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