BitBastelei #540 - Philips PM 3240 Reparatur

When old devices give up the ghost with a bang and a puff of smoke, film capacitors from a Swedish manufacturer are often partly to blame. I have a device exhibiting these symptoms on my workbench today. Let's see if we can bring it back to life. Contents: 00:00 PM3240 Overview 01:16 The Fault 03:55 Troubleshooting 05:55 Disassembly and Internals 11:01 Mains Filter Function and Replacement 14:45 Power Supply Board and Capacitor Replacement 16:58 Conclusion and Oscilloscope Fun Errors and Additions: 04:52 The mains voltage is not yet rectified. It's still AC at this point. Thanks, Lightrunner 05:27 2.50µF, not 2.40µF Related links: 00:48 BitBastelei #312 - Oscilloscope as a vector display -    • BitBastelei #312 - Oszilloskop als Vektora...   17:51 OscDraw @ GitHub: https://github.com/adlerweb/OSCDraw Tutorial @ Internet Archive: https://archive.org/details/philips_p... Transparency: The device belongs to an acquaintance and is used by me, among others. The device is no longer on the market.