Hobbyist or repairer · for advanced
SOL-20 museum restoration, PART I
About this video
The power supply of a Processor Technology SOL-20 is restored by replacing only the original parts that need it, including reforming bulk capacitors, in the first part of a museum series.
Good to know: Mains voltage is present in the supply, and its capacitors can stay charged once unplugged. Old filter capacitors can fail with smoke when powered.
Why watch it
An overview of the whole SOL-20 comes before the supply work, and a separate tutorial on reforming capacitors is linked for anyone about to try it.
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