{"id":30,"date":"2015-10-15T04:10:05","date_gmt":"2015-10-15T04:10:05","guid":{"rendered":"http:\/\/lance.conryclan.com\/home\/?p=30"},"modified":"2015-10-15T04:11:10","modified_gmt":"2015-10-15T04:11:10","slug":"fixed-ic-208h-with-no-power-with-remote-head","status":"publish","type":"post","link":"http:\/\/lance.conryclan.com\/home\/fixed-ic-208h-with-no-power-with-remote-head\/","title":{"rendered":"Fixed IC-208h with no power with remote head."},"content":{"rendered":"<p>It&#8217;s my fault, I fiddled.<\/p>\n<p>Radio was working fine, then I attempted to DIY a remote head cable as they can&#8217;t be purchased any more.<\/p>\n<p><a href=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_003.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-31 aligncenter\" src=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_003-300x169.jpg\" alt=\"Funky remote head cable for IC-208h\" width=\"300\" height=\"169\" srcset=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_003-300x169.jpg 300w, http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_003-1024x577.jpg 1024w, http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_003.jpg 1918w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nLong story short, after trying my funky cable, the radio wouldn&#8217;t power on any more, so assume some pins shorted one of the other lines perhaps.<\/p>\n<p>I left it for a couple of days, trying it again each morning, in the eternal hope that by some magic or via electrical fairy helpers, it would spontaneously start working again. \u00a0I kept telling myself things like &#8220;Perhaps the capacitors need a little more time to fully drain. \u00a0Yes. \u00a0that&#8217;s why it hasn&#8217;t started working again.&#8221; \u00a0For a hyper logical person like I am, it&#8217;s amazing the flights of fantasy we\u00a0can summon\u00a0in times of need. \u00a0I even offered a little prayer, while all the time knowing that in the grand scheme of things, there were more worthwhile causes to which God&#8217;s attention could be better addressed.<\/p>\n<p><!--more--><\/p>\n<p>Checking the schematic, there are no fuses in the head or protection diodes that I could\u00a0see to check.<\/p>\n<p>I did find one <a href=\"http:\/\/forums.qrz.com\/index.php?threads\/icom-ic-208h-no-power.320693\/\" target=\"_blank\">post on the net<\/a> where some\u00a0poor chap had the same issue after a dog ate through the extension cable, but he didn&#8217;t mention how or if he fixed it.<\/p>\n<p>Well, after a degree\u00a0of panic and stress, I managed to fix it with the help of the <a href=\"http:\/\/www.vklogger.com\/forum\/viewtopic.php?f=23&amp;t=13344\" target=\"_blank\">VKLogger community<\/a>.<\/p>\n<p>The culprit was R513 (check the<a href=\"https:\/\/www.google.com.au\/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=1&amp;cad=rja&amp;uact=8&amp;ved=0CBwQFjAAahUKEwjCpae4yMPIAhWJl5QKHd9_DBI&amp;url=http%3A%2F%2Fwww.repeater-builder.com%2Ficom%2Fpdfs%2Fic-208h-service-manual.pdf&amp;usg=AFQjCNEB6ldQ07t4WRQaC7q-v23zxjrFvQ&amp;bvm=bv.105039540,d.dGo\" target=\"_blank\"> service manual<\/a>). \u00a0 This little sucker here:<\/p>\n<p><a href=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/layout.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-34\" src=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/schematic-300x154.png\" alt=\"schematic\" width=\"300\" height=\"154\" srcset=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/schematic-300x154.png 300w, http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/schematic.png 748w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-33\" src=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/layout-300x231.png\" alt=\"layout\" width=\"300\" height=\"231\" srcset=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/layout-300x231.png 300w, http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/layout-1024x790.png 1024w, http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/layout.png 1352w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>It&#8217;s a 1\u03a9 resistor. \u00a0Not knowing it&#8217;s purpose, I asked and was filled in by <a href=\"http:\/\/www.users.on.net\/~pedroj\/radio.html\" target=\"_blank\">Peter<\/a>\u00a0as follows:<\/p>\n<blockquote><p>&#8220;it would be a cheap way to fuse the line and by the look of it, it&#8217;s purpose was a success as it has sacrificed its life to possibly save the rest of the radio. having low ohm resistors in vulnerable rails (exposed to humans) has become a common way to provide protection that does not cause the tracks on a PCB to burn up. In years gone by it was common to have to repair a PCB track after an incident like you experienced but that is hard work and very messy and sometimes it was a terminal event for the radio.&#8221;<\/p><\/blockquote>\n<p>Well there you have it. \u00a0I was lucky enough to have a\u00a01\u03a9 surface mount resistor in my box of tricks, so replaced it, and&#8230;<\/p>\n<p><a href=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_002.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-32\" src=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_002-300x169.jpg\" alt=\"IC-208h working again after repauir\" width=\"300\" height=\"169\" srcset=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_002-300x169.jpg 300w, http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_002-1024x577.jpg 1024w, http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2015\/10\/WP_20151015_002.jpg 1918w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Before I close off this post, a word to the wise. \u00a0I was going to just jumper the bad resistor with a piece of wire when I thought I didn&#8217;t have the correct resistor at hand, before I was offered this piece of advice&#8230;<\/p>\n<blockquote><p>&#8230;don&#8217;t put in a wire jumper unless you have a death wish <img decoding=\"async\" title=\"Old Man\" src=\"http:\/\/www.vklogger.com\/forum\/images\/smilies\/icon_madmick.gif\" alt=\":om:\" \/><\/p><\/blockquote>\n<p>So I didn&#8217;t.<\/p>\n<p>Thanks again to\u00a0Adam, Barry, Dion and Peter.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s my fault, I fiddled. Radio was working fine, then I attempted to DIY a remote head cable as they can&#8217;t be purchased any more. Long story short, after trying my funky cable, the radio wouldn&#8217;t power on any more, so assume some pins shorted one of the other lines perhaps. I left it for &hellip; <a href=\"http:\/\/lance.conryclan.com\/home\/fixed-ic-208h-with-no-power-with-remote-head\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Fixed IC-208h with no power with remote head.<\/span> <span class=\"meta-nav\">&rarr;<\/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":[1],"tags":[4,5],"class_list":["post-30","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-amateur_radio","tag-electronics"],"_links":{"self":[{"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/posts\/30","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/comments?post=30"}],"version-history":[{"count":3,"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/posts\/30\/revisions"}],"predecessor-version":[{"id":37,"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/posts\/30\/revisions\/37"}],"wp:attachment":[{"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/media?parent=30"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/categories?post=30"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/tags?post=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}