The Soviet S1-112A Oscilloscope / Meter Repair, part 1

Repair attempt of the portable oscilloscope & digital VOM combo made in the USSR. This unit is 31 years old, very nicely built. Unlike I first thought, he issue turned out to be the power switch rather than the cable. Taking a deep dive to replace it while dealing with some surprises! To be continued... Support me on my Patreon page at https://www.patreon.com/KeritechElectronics Instagram - https://www.instagram.com/KeriSzafir Telegram channel - https://t.me/KeritechElectronics