{"id":4113,"date":"2014-01-08T15:15:21","date_gmt":"2014-01-08T21:15:21","guid":{"rendered":"http:\/\/w0ep.us\/OM\/?p=4113"},"modified":"2014-01-08T15:17:34","modified_gmt":"2014-01-08T21:17:34","slug":"more-on-tentec-century-21-power-supply-repair","status":"publish","type":"post","link":"http:\/\/w0ep.us\/OM\/?p=4113","title":{"rendered":"More on TenTec Century 21 power supply repair"},"content":{"rendered":"<p>[Today&#8217;s run: rest day, Yesterday 4.0 miles]<\/p>\n<p>I recently received a note from another amateur radio operator, Scott, N4BBB.<\/p>\n<p>He has a TenTec Century 21 radio transceiver and had a problem with the power supply.\u00a0 An internet search led him to <a href=\"http:\/\/w0ep.us\/OM\/?p=2697\">my old post on the subject<\/a>.<\/p>\n<p>In my case, a trace on the circuit board between the power transformer and the rectifier device burned up. At the time I attributed the problem to the rectifier; that it probably shorted out and caused a high current condition which burned the trace.\u00a0 One of the contributing factors was a fuse in the power line which was much too high and provided no protection.<\/p>\n<p>Scott sent me an email with pictures showing his Century 21 and an identical fault.\u00a0 I&#8217;m not sure if his rectifier survived or what his fuse situation was.<\/p>\n<p>It&#8217;s nice to see that my ramblings are useful to someone occasionally.<\/p>\n<p>Here is Scott&#8217;s picture:<\/p>\n<p><a href=\"http:\/\/w0ep.us\/OM\/?attachment_id=4114\" rel=\"attachment wp-att-4114\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-4114\" alt=\"IMG-20131231-00112-1\" src=\"http:\/\/w0ep.us\/OM\/wp-content\/uploads\/2014\/01\/IMG-20131231-00112-1-700x525.jpg\" width=\"700\" height=\"525\" srcset=\"http:\/\/w0ep.us\/OM\/wp-content\/uploads\/2014\/01\/IMG-20131231-00112-1-700x525.jpg 700w, http:\/\/w0ep.us\/OM\/wp-content\/uploads\/2014\/01\/IMG-20131231-00112-1-1024x768.jpg 1024w, http:\/\/w0ep.us\/OM\/wp-content\/uploads\/2014\/01\/IMG-20131231-00112-1.jpg 1280w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[Today&#8217;s run: rest day, Yesterday 4.0 miles] I recently received a note from another amateur radio operator, Scott, N4BBB. He has a TenTec Century 21 radio transceiver and had a problem with the power supply.\u00a0 An internet search led him to my old post on the subject. In my case, a trace on the circuit [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-4113","post","type-post","status-publish","format-standard","hentry","category-ham-radio"],"_links":{"self":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts\/4113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4113"}],"version-history":[{"count":3,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts\/4113\/revisions"}],"predecessor-version":[{"id":4117,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts\/4113\/revisions\/4117"}],"wp:attachment":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4113"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}