{"id":149,"date":"2016-10-23T17:03:38","date_gmt":"2016-10-24T00:03:38","guid":{"rendered":"https:\/\/www.n1rwy.org\/?p=149"},"modified":"2016-12-22T19:26:40","modified_gmt":"2016-12-23T02:26:40","slug":"heathkit-sb200-project","status":"publish","type":"post","link":"https:\/\/www.n1rwy.org\/?p=149","title":{"rendered":"Heathkit SB-200 Project- Part I"},"content":{"rendered":"<p style=\"text-align: center;\">Yep.. this is happening!<\/p>\n<div id=\"attachment_150\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-150\" class=\"size-large wp-image-150\" src=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/IMG_7483-1024x768.jpg\" alt=\"SB200 amp\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/IMG_7483-1024x768.jpg 1024w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/IMG_7483-300x225.jpg 300w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/IMG_7483-768x576.jpg 768w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/IMG_7483-1240x930.jpg 1240w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/IMG_7483-508x381.jpg 508w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/IMG_7483.jpg 1632w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-150\" class=\"wp-caption-text\">Full of dusty, musty goodness. I always wanted to build one of these.. now I get to rebuild one.<\/p><\/div>\n<p>Thanks <a href=\"http:\/\/thecatdragdinn.org\/migo.htm\" target=\"_blank\">Ajo<\/a> for the find and the deal.\u00a0 More to come soon.<\/p>\n<p>&nbsp;<\/p>\n<p>10\/28\/16\u00a0 <strong>UPDATE 1<\/strong><\/p>\n<p>I got the RF deck out and started cleaning and taking pics. \u00a0Dust and grit everywhere.<\/p>\n<p>You can tell the cover had not been off for a while.<\/p>\n<div id=\"attachment_180\" style=\"width: 3034px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7504.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-180\" class=\"size-full wp-image-180\" title=\"\" src=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7504.jpg\" alt=\"pic of rf deck and tubes\" width=\"3024\" height=\"4032\" srcset=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7504.jpg 3024w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7504-225x300.jpg 225w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7504-768x1024.jpg 768w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7504-1240x1653.jpg 1240w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7504-508x677.jpg 508w\" sizes=\"auto, (max-width: 3024px) 100vw, 3024px\" \/><\/a><p id=\"caption-attachment-180\" class=\"wp-caption-text\">Dusty and dirty &#8211; but no burn marks!<\/p><\/div>\n<p><a href=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7507.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-181\" src=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7507.jpg\" alt=\"\" width=\"3024\" height=\"4032\" srcset=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7507.jpg 3024w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7507-225x300.jpg 225w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7507-768x1024.jpg 768w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7507-1240x1653.jpg 1240w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7507-508x677.jpg 508w\" sizes=\"auto, (max-width: 3024px) 100vw, 3024px\" \/><\/a><br \/>\nI pulled the tubes out and wiped them down as well as gave the fan a spin- it moved. \u00a0That was a good sign.<\/p>\n<div id=\"attachment_182\" style=\"width: 3034px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7505.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-182\" class=\"size-full wp-image-182\" title=\"\" src=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7505.jpg\" alt=\"hv supply pic\" width=\"3024\" height=\"4032\" srcset=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7505.jpg 3024w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7505-225x300.jpg 225w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7505-768x1024.jpg 768w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7505-1240x1653.jpg 1240w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7505-508x677.jpg 508w\" sizes=\"auto, (max-width: 3024px) 100vw, 3024px\" \/><\/a><p id=\"caption-attachment-182\" class=\"wp-caption-text\">High voltage supply dusty and full of webs<\/p><\/div>\n<p>The high voltage supply was full of dust and cobwebs. \u00a0I have a feeling I&#8217;m going to replace that with the <a href=\"http:\/\/harbachelectronics.com\/shop\/heathkit-sb-200-sb-201\/pw-200-120-replacement-power-supply-module-ss-201-120-soft-start-combo\/\">Harbach board<\/a> with news caps and resistors, as well as the soft start board to limit inrush current to the tubes. \u00a0I just don&#8217;t trust the older caps I and I don&#8217;t have the knowledge to reform them &#8211; so replacing them will be the easiest solution.<\/p>\n<div id=\"attachment_183\" style=\"width: 4042px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7511.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-183\" class=\"size-full wp-image-183\" title=\"\" src=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7511.jpg\" alt=\"pic of front of SB-200 minus the knobs\" width=\"4032\" height=\"3024\" srcset=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7511.jpg 4032w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7511-300x225.jpg 300w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7511-768x576.jpg 768w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7511-1024x768.jpg 1024w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7511-1240x930.jpg 1240w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7511-508x381.jpg 508w\" sizes=\"auto, (max-width: 4032px) 100vw, 4032px\" \/><\/a><p id=\"caption-attachment-183\" class=\"wp-caption-text\">More dust and crud under all the knobs<\/p><\/div>\n<p>I pulled off all the knobs I bet those Allan screws have not been out since this was built in the 60&#8217;s.. those first turns were tight!<\/p>\n<p><a href=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7512.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-184\" src=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7512.jpg\" alt=\"\" width=\"3024\" height=\"4032\" srcset=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7512.jpg 3024w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7512-225x300.jpg 225w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7512-768x1024.jpg 768w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7512-1240x1653.jpg 1240w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7512-508x677.jpg 508w\" sizes=\"auto, (max-width: 3024px) 100vw, 3024px\" \/><\/a><br \/>\nAnyone have any suggestions for cleaning the plastic on the meter face?<\/p>\n<p><a href=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7499.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-185\" src=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7499.jpg\" alt=\"\" width=\"3024\" height=\"4032\" srcset=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7499.jpg 3024w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7499-225x300.jpg 225w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7499-768x1024.jpg 768w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7499-1240x1653.jpg 1240w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7499-508x677.jpg 508w\" sizes=\"auto, (max-width: 3024px) 100vw, 3024px\" \/><\/a><br \/>\nOften people complain about the relay and the contacts going bad looking at mine I have a little bit of corrosion but no major rust. The relay arm was freely moving when I depressed it so I think I save some money there and missed having to replace the relay.<\/p>\n<p><a href=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7503.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-186\" src=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7503.jpg\" alt=\"\" width=\"3024\" height=\"4032\" srcset=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7503.jpg 3024w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7503-225x300.jpg 225w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7503-768x1024.jpg 768w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7503-1240x1653.jpg 1240w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7503-508x677.jpg 508w\" sizes=\"auto, (max-width: 3024px) 100vw, 3024px\" \/><\/a><br \/>\nThis is the underside of the high voltage supply. The wiring and soldering on the underside of the amp looked like someone took their time. \u00a0I am happy to see that- it should make bringing this amp back to life a bit easier.<\/p>\n<p><a href=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7513.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-187\" src=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7513.jpg\" alt=\"\" width=\"3024\" height=\"4032\" srcset=\"https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7513.jpg 3024w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7513-225x300.jpg 225w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7513-768x1024.jpg 768w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7513-1240x1653.jpg 1240w, https:\/\/www.n1rwy.org\/wp-content\/uploads\/2016\/10\/img_7513-508x677.jpg 508w\" sizes=\"auto, (max-width: 3024px) 100vw, 3024px\" \/><\/a><br \/>\nSome needed cleaning here!\u00a0 Using a pencil eraser, I am able to clean up the contacts right away.<\/p>\n<p>I spent some more time knocking dust and junk out of the RF deck and then called it a night. \u00a0Tomorrow I might be on a search for the &#8220;right&#8221; rattle can color green for the exterior case, after I give it a heavy cleaning.<\/p>\n<p>73 all!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yep.. this is happening! Thanks Ajo for the find and the deal.\u00a0 More to come soon. &nbsp; 10\/28\/16\u00a0 UPDATE 1 I got the RF deck out and started cleaning and taking pics. \u00a0Dust and grit everywhere. You can tell the cover had not been off for a while. I pulled the tubes out and wiped [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":183,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,67,50,6],"tags":[37,53,15,52,51],"class_list":["post-149","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general-ham","category-radio-restoration","category-sb-200","category-technology","tag-amps","tag-harbach","tag-hf","tag-high-voltage","tag-sb-200"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=\/wp\/v2\/posts\/149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=149"}],"version-history":[{"count":6,"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=\/wp\/v2\/posts\/149\/revisions"}],"predecessor-version":[{"id":258,"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=\/wp\/v2\/posts\/149\/revisions\/258"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=\/wp\/v2\/media\/183"}],"wp:attachment":[{"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.n1rwy.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}