HP 182C Oscilloscope Repair - Part 2: Alive Again! скачать в хорошем качестве

HP 182C Oscilloscope Repair - Part 2: Alive Again!

We continue the repair of a HP 182 oscilloscope. We repaired the High Voltage supply in the previous episode, but did not get our trace back. Not to worry, we bring it back to life in this episode. HP 182 Repair Playlist:    • HP 182C Oscilloscope Repair   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 Recap of previous repair 00:47 HV a grid voltage supply explanation 01:59 Checking the grid voltage 03:29 HV is fully repaired, damage summary 04:39 Debugging the gate amplifier 06:20 Replacing the HV driver transistors 08:31 There is more transistor damage 09:26 Bad hot carrier diode? What is that? 10:13 Replacing the Schottky diode 11:50 Did we repair it? 13:33 Tube mounting and screen filters repair 15:17 It works again!