A vintage signal tracer with a few more tricks up its sleeve... Vegaty Mod. S.T.4 (Part 1)

Recently I picked up this Vegaty Mod. S.T.4, a 1960s Belgian-made signal tracer. In this video I go over its functionalities, test the tubes and capacitors and try to power it up for the first time. 00:00 Introduction 02:46 Overview of the functions 17:02 Having a look inside 23:21 Testing the tubes 31:29 Differences from the schematic & checking capacitors 38:29 Output transformer & speaker test 39:13 More capacitor checks 42:19 Powerup attempt WARNING: Do not attempt to repair electronic equipment if you don't know what you're doing. If you enjoy my content, consider buying me a coffee: https://www.buymeacoffee.com/retrotech Electrocution logo: Nesdon Booth, The Noun Project License codes: JOWVK4EIOSK08SR8