TV-2B/U Military Tube Tester Restoration - Part 1

We attempt to revive a TV-2B\U military electron tube tester, which is mighty good but mighty complicated. Stuff that supports the channel: Support us on Patreon:   / curiousmarc   Amazon links for the tools I use in the lab: https://www.curiousmarc.com/amazon-links Channel merch on Fourthwall: https://curiousmarc-shop.fourthwall.com Legacy channel merch on Teespring (I don't have everything transferred to Fourthwall yet): https://teespring.com/stores/curiousm... "Elevator Music" Credit: Crinoline Dreams by Kevin MacLeod Our lovely sponsors PCBWay: fast turn PCBs, https://www.pcbway.com Electro-Rent: https://www.electrorent.com Keysight: test instruments: https://www.keysight.com Samtec: connectors: https://www.samtec.com R&D Microwaves: https://rdmicrowaves.com Get more technical info on the companion site: https://www.curiousmarc.com Contact info: https://www.youtube.com/curiousmarc/a... 00:00 The TV-2B/U tube tester 02:08 Grand Opening 04:05 Initial Inspection 04:52 Resistors and Caps Check 07:11 First fault discovered 08:17 Wafer Switch Removal and Repair 13:40 HV cables, front panel clean and other repairs 18:49 First turn on - no dice 21:13 Power debug and repair 23:11 It lives! 25:27 First tube test