{"id":12269,"date":"2017-07-30T22:09:25","date_gmt":"2017-07-31T05:09:25","guid":{"rendered":"http:\/\/rustybolt.info\/wordpress\/?p=12269"},"modified":"2017-09-23T17:05:20","modified_gmt":"2017-09-24T00:05:20","slug":"2017-07-30-tbd","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=12269","title":{"rendered":"2017-07-27 Laptop Charger"},"content":{"rendered":"<p>from FB reply 2017_07_27&nbsp;<\/p>\n<p>Richard Robertson<\/p>\n<p>Look at this schematic of a typical laptop charger. &nbsp;Notice that the left side has the two pins of the power plug. &nbsp;They are not polarized, and may be inserted into the socket either way. &nbsp;No pin for &#8216;ground&#8217; or &#8216;earth&#8217; is shown.<\/p>\n<p>&nbsp;Notice that the &#8216;ground&#8217; or &#8216;earth&#8217; for the left side of the circuit has two lines, sort of like an equal sign. &nbsp;Notice that the right side of the circuit uses a sign that&#8217;s a single line, like a minus sign.<\/p>\n<p>Notice that at the top, both grounds are connected by four 1 M resistors in series, paralleled by a capacitor CY1.<\/p>\n<p>No matter what is right or wrong with the neutral and other pins of the AC line, it won&#8217;t affect this charger, because it doesn&#8217;t use the ground or earth pin of the AC line. &nbsp;Your suggestions to check the electric cable won&#8217;t help.<\/p>\n<p><a href=\"http:\/\/320volt.com\/wp-content\/uploads\/2012\/01\/schema-circuit-dell-pa12-19v-notebook-adapter-smps-1d07012-3-34a.png\">http:\/\/320volt.com\/wp-content\/uploads\/2012\/01\/schema-circuit-dell-pa12-19v-notebook-adapter-smps-1d07012-3-34a.png<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>from FB reply 2017_07_27&nbsp; Richard Robertson Look at this schematic of a typical laptop charger. &nbsp;Notice that the left side has the two pins of the power plug. &nbsp;They are not polarized, and may be inserted into the socket either way. &nbsp;No pin for &#8216;ground&#8217; or &#8216;earth&#8217; is shown. &nbsp;Notice that the &#8216;ground&#8217; or &#8216;earth&#8217;<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=12269\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12269","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12269"}],"version-history":[{"count":3,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12269\/revisions"}],"predecessor-version":[{"id":12431,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12269\/revisions\/12431"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}