{"id":70,"date":"2020-02-14T21:12:17","date_gmt":"2020-02-14T21:12:17","guid":{"rendered":"https:\/\/blog.andytather.co.uk\/?page_id=70"},"modified":"2020-04-21T21:34:21","modified_gmt":"2020-04-21T21:34:21","slug":"power-tray-test","status":"publish","type":"page","link":"https:\/\/blog.andytather.co.uk\/index.php\/lm3886-build-thread\/power-tray-test\/","title":{"rendered":"Power Tray &#8211; Test"},"content":{"rendered":"\n<p>Mains testing the Toroidy Transformers feeding Power-686 modules with a soft startup board and inline Bulb tester.  Theory being, if the bulb stays on after power up then there is a short circuit. Otherwise, the bulb will give a quick flash and go out. <\/p>\n\n\n\n<figure class=\"wp-block-gallery alignwide columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_140245-1024x768.jpg\" alt=\"\" data-id=\"73\" data-full-url=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_140245-scaled.jpg\" data-link=\"https:\/\/blog.andytather.co.uk\/index.php\/lm3886-build-thread\/power-tray-test\/20200202_140245\/\" class=\"wp-image-73\" srcset=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_140245-1024x768.jpg 1024w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_140245-300x225.jpg 300w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_140245-768x576.jpg 768w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_140245-1536x1152.jpg 1536w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_140245-2048x1536.jpg 2048w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_140245-1200x900.jpg 1200w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_140245-1980x1485.jpg 1980w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_135938-1024x768.jpg\" alt=\"\" data-id=\"72\" data-full-url=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_135938-scaled.jpg\" data-link=\"https:\/\/blog.andytather.co.uk\/index.php\/lm3886-build-thread\/power-tray-test\/20200202_135938\/\" class=\"wp-image-72\" srcset=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_135938-1024x768.jpg 1024w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_135938-300x225.jpg 300w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_135938-768x576.jpg 768w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_135938-1536x1152.jpg 1536w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_135938-2048x1536.jpg 2048w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_135938-1200x900.jpg 1200w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/20200202_135938-1980x1485.jpg 1980w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<figure class=\"wp-block-gallery alignwide columns-2 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"676\" src=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h30m41s895-1024x676.png\" alt=\"\" data-id=\"98\" data-full-url=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h30m41s895.png\" data-link=\"https:\/\/blog.andytather.co.uk\/index.php\/lm3886-build-thread\/power-tray-test\/vlcsnap-2020-02-14-22h30m41s895\/\" class=\"wp-image-98\" srcset=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h30m41s895-1024x676.png 1024w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h30m41s895-300x198.png 300w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h30m41s895-768x507.png 768w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h30m41s895-1536x1014.png 1536w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h30m41s895-2048x1352.png 2048w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h30m41s895-1200x792.png 1200w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h30m41s895-1980x1307.png 1980w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h36m06s392-1024x576.png\" alt=\"\" data-id=\"100\" data-full-url=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h36m06s392.png\" data-link=\"https:\/\/blog.andytather.co.uk\/index.php\/lm3886-build-thread\/power-tray-test\/vlcsnap-2020-02-14-22h36m06s392\/\" class=\"wp-image-100\" srcset=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h36m06s392-1024x576.png 1024w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h36m06s392-300x169.png 300w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h36m06s392-768x432.png 768w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h36m06s392-1536x864.png 1536w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h36m06s392-2048x1152.png 2048w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h36m06s392-1200x675.png 1200w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h36m06s392-1980x1114.png 1980w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><figcaption class=\"blocks-gallery-caption\">Snapshot from video taken<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h31m48s226-1024x576.png\" alt=\"\" class=\"wp-image-99\" srcset=\"https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h31m48s226-1024x576.png 1024w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h31m48s226-300x169.png 300w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h31m48s226-768x432.png 768w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h31m48s226-1536x864.png 1536w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h31m48s226-2048x1152.png 2048w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h31m48s226-1200x675.png 1200w, https:\/\/blog.andytather.co.uk\/wp-content\/uploads\/2020\/02\/vlcsnap-2020-02-14-22h31m48s226-1980x1114.png 1980w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Test is okay, and first voltage check reveals a slightly higher voltage than the expected ~36 vdc (due to no load being applied).   Negative okay too.  Now the other side. <\/p>\n\n\n\n<p>After turning off the mains power, the capacitors are still fully charged and only discharge very slowly (Danger !)<\/p>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/blog.andytather.co.uk\/index.php\/lm3886-build-thread\/modulus-686-build\/\">Next Page: Modulus 686<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mains testing the Toroidy Transformers feeding Power-686 modules with a soft startup board and inline Bulb tester. Theory being, if the bulb stays on after power up then there is a short circuit. Otherwise, the bulb will give a quick flash and go out. Test is okay, and first voltage check reveals a slightly higher [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":71,"parent":6,"menu_order":20,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/70"}],"collection":[{"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/comments?post=70"}],"version-history":[{"count":13,"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/70\/revisions"}],"predecessor-version":[{"id":286,"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/70\/revisions\/286"}],"up":[{"embeddable":true,"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/6"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/media\/71"}],"wp:attachment":[{"href":"https:\/\/blog.andytather.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=70"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}