{"id":355,"date":"2020-06-19T14:32:49","date_gmt":"2020-06-19T14:32:49","guid":{"rendered":"http:\/\/darylwhite.net\/?p=355"},"modified":"2020-06-19T15:29:38","modified_gmt":"2020-06-19T15:29:38","slug":"pcb-cleaning","status":"publish","type":"post","link":"https:\/\/darylwhite.net\/index.php\/2020\/06\/19\/pcb-cleaning\/","title":{"rendered":"PCB Cleaning"},"content":{"rendered":"\n<p>The following components were removed after inspection and shall be replaced:<\/p>\n\n\n\n<p>2x 22pF Class Y<br>3x 0.1uF Class X<br>2x Resistors<br>2x 220uF Electrolytics<br>1x TRIAC &#8211; This was not faulty but the legs snapped on removal of the clamping bolt.<br>1x Inductor &#8211; Just for inspection.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"975\" height=\"1024\" src=\"https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0519_r-975x1024.jpg\" alt=\"Bare PCB\" class=\"wp-image-354\" srcset=\"https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0519_r-975x1024.jpg 975w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0519_r-286x300.jpg 286w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0519_r-768x807.jpg 768w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0519_r-1462x1536.jpg 1462w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0519_r-1950x2048.jpg 1950w\" sizes=\"auto, (max-width: 975px) 100vw, 975px\" \/><\/figure>\n\n\n\n<p>The failed resistor had become quite hot and burnt the top of the PCB. I cleaned this with a fiber glass pencil and applied a couple of coats of clear nail varnish afterwards.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"838\" src=\"https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0520_r-1024x838.jpg\" alt=\"Back of PCB\" class=\"wp-image-356\" srcset=\"https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0520_r-1024x838.jpg 1024w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0520_r-300x245.jpg 300w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0520_r-768x628.jpg 768w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0520_r-1536x1256.jpg 1536w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0520_r-2048x1675.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>The back of the PCB shows some signs of the burning but it is still intact.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"415\" src=\"https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0551_r-1024x415.jpg\" alt=\"Damaged Capacitor\" class=\"wp-image-363\" srcset=\"https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0551_r-1024x415.jpg 1024w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0551_r-300x122.jpg 300w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0551_r-768x311.jpg 768w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0551_r-1536x622.jpg 1536w, https:\/\/darylwhite.net\/wp-content\/uploads\/2020\/06\/DSC_0551_r-2048x830.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Above is the damaged capacitor next to it&#8217;s new replacement.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The following components were removed after inspection and shall be replaced: 2x 22pF Class Y3x 0.1uF Class X2x Resistors2x 220uF Electrolytics1x TRIAC &#8211; This was not faulty but the legs snapped on removal of the clamping bolt.1x Inductor &#8211; Just for inspection. The failed resistor had become quite hot and burnt the top of the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-355","post","type-post","status-publish","format-standard","hentry","category-suhner-motor-controller-repair"],"_links":{"self":[{"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/posts\/355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/comments?post=355"}],"version-history":[{"count":2,"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/posts\/355\/revisions"}],"predecessor-version":[{"id":364,"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/posts\/355\/revisions\/364"}],"wp:attachment":[{"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/media?parent=355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/categories?post=355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/darylwhite.net\/index.php\/wp-json\/wp\/v2\/tags?post=355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}