Cambridge Audio - Aero 9 Subwoofer repair - A proper hard repair, no, the swearing didn't helped
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Published 2024-05-23
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All Comments (21)
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how you keep cool and not quit when things don't work as expected - is real inspiration
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I can't help but keep smiling on Sorin's videos. Those are such a proper calibrated diodes. Perfect fit too.
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Best electronics repair teacher I've ever seen.
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I come from Romania too and when I saw the title of this video I did hope Sorin will draw some swearing gems from our nation considerable experience. I can disclose to you now that he is a master in complicated electronics repairs but an amateur in swearing. If you came here to learn how to swear in Romanian, you better stay away.
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The revenge of Capacitors removed by "say hello to my little friend!"
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I bought a sub like this that 'went missing' with UPS driver. Now Im glad
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Am happy you are fixing something different today. Too much of laptops
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With no filter cap, you had DC spike on the input of the regulator. Multimeter can't see it and give you the average DC voltage. But in reality, if you have use a oscilloscope on the input pin you had saw those DC spike. Love your video!
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43:01 "Pressing the power button ... " ... and ... we have a picture! Can't believe we have a picture!
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Sorin kept his promise, he actually changed a cap in the "next video".
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This was a 'Columbo' style repair. Lots of thought had to go into it. Working backwards to find faulty component in a very unusual power supply. All that just for a subwoofer. I think it was a bad design to start with. Don't take notice of the criticism about soldering techniques. Repair was a good and lasting. Keep the vids coming 👍
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Lesson learned: When power diodes short out in a linear power supply, check every component downstream. Thank you Sorin.
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Very nice. This really looked like all my attempts to fix PSUs so far: replaced everything that was damaged, fixed the shorts, tested the components, and the PSU still exploded on me 🤣
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am stat cu sufletu la gura tot video, incredibila rabdarea pe care o aveti domnu sorin
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Soren, I have to point out a couple of things the first is I assume your voltage meter is in the DC mode and in the 41 minute section where you are testing the input and output voltage you will notice that there is only a one volt difference this should’ve been an obvious indication to you because The 78 and 79 series will always have a minimum of a 2 V loss going through them and the fact that there was only a one volt difference should’ve been an indication that AC was present
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It's impossible to quantifed how much I learn with you. Thank You 🧑🎓
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👍Plan B: solder the regulator on the other side but ... 😎how about plan C wiring a breadboard outside of the board :))
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The cruse of capacitors 😂 No capacitor, no problem!
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It's push pull switch supply that why you have ground and two 4 diode for negative and positive voltage supply
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For such a big brand, ie, CA, they use cheap ChengX caps. Use Japanese caps if you charge big $s.
