Uploaded May 2024 | Updated September 2026, 1 week ago

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What's inside a dimmable 150W Philips LED power supply and how does it work. Including a reverse engineered schematic of the power section, some tests, measurements and oscilloscope waveforms.

The DPOX180H oscilloscope I'm using:
fnirsi.com/products/dpox180h?sca_ref=9216013.ntkg5GeG0R&utm_source=af&utm_medium=ref&utm_campaign=9216013

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