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There’s an electronic test tool for identifying parts removed so that people like you and I can replace parts with the correct parts. Vellerman DCA55, it costs $107.00 and can be purchased on Amazon.com I’ve been watching electronic repair videos on YouTube because I want to learn how to do repairs myself and avoid the extra long wait and ridiculous $120.00 per hour charges. The tech didn’t recognize a specific part so he used this tool to identify the type of part it was as well as it’s voltage etc… he connected the part he removed from the machines circuit board and touched this test meter’s test prongs to the part to identify it. The Velleman has an LCD display and it displayed to him all the parts specs. I’m definitely buying this myself. I hope this info helps you too. Good luck with your restoration. Sincerely, Michael