{"id":3406,"date":"2013-09-01T16:44:00","date_gmt":"2013-09-01T06:44:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2013\/09\/01\/fixing-tek-465-oscilloscopes\/"},"modified":"2013-09-01T16:44:00","modified_gmt":"2013-09-01T06:44:00","slug":"fixing-tek-465-oscilloscopes","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2013\/09\/01\/fixing-tek-465-oscilloscopes\/","title":{"rendered":"Fixing TEK 465 Oscilloscopes"},"content":{"rendered":"<p><iframe loading=\"lazy\" allowfullscreen=\"\" frameborder=\"0\" height=\"330\" src=\"\/\/www.youtube.com\/embed\/I6ODi7qSpYg?rel=0\" width=\"440\"><\/iframe><\/p>\n<p> <strong>I&#8217;m having TeKnical difficulties. My beloved Tek 465 &#8216;scope quit on me. I&#8217;d been running it continuously for a day or so, watching the output on my BITX VFO. Then, suddenly, it blew the 1.5 amp fuse. I replaced the fuse, but afterwards the trace was gone and the &#8220;Low Line&#8221; light was acting weird &#8212; on when it should have been off, then flickering. I consulted with Alan Wolke. He happened to be out at TEX HQ in Beaverton, Ore. He provided some good suggestions, but before I had a chance to try them, the trace came back. I attributed this good luck to the Radio Gods being pleased with Alan&#8217;s presence in Beaverton&#8230; but my reprieve was short-lived. Trace went out again today. <\/strong><br \/> <strong><\/strong><br \/> <strong>I found this video of the legendary Jim Williams (RIP) fixing a Tek 465. (Check out Jim&#8217;s junk box!) <\/strong><br \/> <strong>I&#8217;ll start by checking the Tantalums. I may get lucky. <\/strong><br \/> <strong><\/strong><br \/> <strong>If anyone has any other suggestions, send them this way. The Tek scope may be old, but it is a COMPLICATED piece of gear&#8230; <\/strong><\/p>\n<p> Our book: &#8220;SolderSmoke &#8212; Global Adventures in Wireless Electronics&#8221; <a href=\"http:\/\/soldersmoke.com\/book.htm\">http:\/\/soldersmoke.com\/book.htm<\/a> Our coffee mugs, T-Shirts, bumper stickers: <a href=\"http:\/\/www.cafepress.com\/SolderSmoke\">http:\/\/www.cafepress.com\/SolderSmoke<\/a> Our Book Store: <a href=\"http:\/\/astore.amazon.com\/contracross-20\">http:\/\/astore.amazon.com\/contracross-20<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;m having TeKnical difficulties. My beloved Tek 465 &#8216;scope quit on me. I&#8217;d been running it continuously for a day or so, watching the output on my BITX VFO. Then, suddenly, it blew the 1.5 amp fuse. I replaced the fuse, but afterwards the trace was gone and the &#8220;Low Line&#8221; light was acting weird &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2013\/09\/01\/fixing-tek-465-oscilloscopes\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Fixing TEK 465 Oscilloscopes&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[141,162,71,14,399,161],"tags":[],"class_list":["post-3406","post","type-post","status-publish","format-standard","hentry","category-jim-williams","category-oscilloscope","category-test-gear","category-video","category-williams-jim","category-wolke-alan"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/3406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=3406"}],"version-history":[{"count":0,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/3406\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=3406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=3406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=3406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}