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The Philips Fidelio AW9000 is a fine active high quality audio system. With connections for WIFI digitale and line in. But this one is defective and need a massive repair. I didn't manage it in one video. This repair is all about the switched mode power supply. And see how much damage defective capacitors create. Enjoy the video. And be aware. Working with high voltages is dangerous and can pot...

I bought a Audio Spectrum Analyzer building kit from AliExpress. A nice kit to build together with your kids or to improve your SMD soldering skills.

This BOSE solo TV audio system is not working. Who messed up the previous repair?

This extractor hood has a intermittent problem. From time to time the knob does not work. Let's see if we can find the problem and fix it.

Replace the short TL-21 with longer kelvin leads which makes the TL-21 more easily to handle.

My MA5B has given 15 years of perfect operation. But after a move, I first want to check whether everything is still in good condition before I install it back in the mast again. It's a good thing I did this check there was a big surprise. Link for the Balun 50 ohm : 50 ohm 800 Watt www.dg0sa.de/balun1zu1gross.pdf

My RC5-1 create rotor has been on the antenna mast for about 15 years. Before I put it back, I want to see what the status is. This became a repair and maintenance job.

This device, the ShowTech DJ-Switch 10, is a 10 channel mains switch. For every socket there is a normal switch and a push button. On the note you can read that only channel 1, 4 and 8 need a new fuse. Well that is not the case. Actually all push switches do have a problem. Replacing them is an easy job, but repairing the switches is more fun. I use this device in my electronics lab or shack.

The last video of a series of three. The radio PCB and power board were discussed in videos 17 and 18. In this video the repair of the charger.

The radio did not work at all. When opened a complete wrong transformer was installed in this radio. But because there where other problem to.. The whole radio is taken care of. In this video the radio board with a complete revere engineered diagram and explanation. Installation of a new transformer, 18V, 5W from AliExpress. Power board tested on a electronic load and build in the radio. Only o...

Bought this radio from the Dutch Marktplaats. The radio is not working but contained a surprise. This video handles the radioboard.

When you use switches with an indication light then use the right value. In this case a 3 volt indication light is used while the supply voltage is 3.2 - 4.2 volts. I changed the switch for a 5 volt type from Aliexpress nl.aliexpress.com/item/1005004144310614.html?spm=a2g0o.order_list.order_list_main.256.702179d2uEQ3ur&gatewayAdapt=glo2nld

#014 Sony PS5 DualSense gamecontroller with stickdrift

#013 BaseLine table fan repair,. Danger high voltage you do this at your own risc

#012 Upgrade PeakTech safety transformer with Digital Volt Ammeter

#011 Hema desk fan repair

#010 Replace USB-C charging port Samsung M31S mobile phone

#009 Repair Philips shaver 9000 series

#008 Reverse polarity protection circuit with a P-channel MOSFET

#007 KSGER T12 calibration soldering tips

#006 Testing a 18650 cell with the KORAD KEL103 electronic load

#005 KSGER T12 soldering station modification done from factory

#004 Building your own star Wars lightsaber with a Golden Harvest v3

#003: Build your own Star Wars lightsaber with with a proffieboard

#002: Build your own Star Wars lightsaber with First Harvest pcb

#001: 3D-print cable holder, brief introduction to 3D-printig

#0 - Introduction Repair Monkey