https://stream.echo6.co/videos/watch/7e0583d6-67dd-49a9-81ef-37aea9953668 Follow Dave as he tracks down an elusive intermittent thermal fault in a HP1740A analog oscilloscope. Can you figure out the culprit before Dave does? Part 1: https://www.youtube.com/watch?v=Cmz8bzUsj7E Forum: http://www.eevblog.com/forum/blog/eevblog-804-hp1740a-oscilloscope-repair-part-2/ https://teespring.com/warrantyvoid2 Original HP Journal article on the HP1740A: http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1975-12.pdf How not to blow up your oscilloscope: https://www.youtube.com/watch?v=xaELqAo4kkQ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 T-Shirts: http://teespring.com/stores/eevblog Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/ 💗 Likecoin – Coins for Likes: https://likecoin.pro/@eevblog/dil9/hcq3 Thu, 14 May 2026 18:12:49 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/7e0583d6-67dd-49a9-81ef-37aea9953668 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.