{"id":4966,"date":"2015-06-26T18:07:30","date_gmt":"2015-06-27T01:07:30","guid":{"rendered":"http:\/\/www.dognmonkey.com\/techs\/?p=4966"},"modified":"2021-09-29T14:22:19","modified_gmt":"2021-09-29T21:22:19","slug":"fix-samsung-tv-turn-onoff-with-screeching-sound-distorted-display","status":"publish","type":"post","link":"https:\/\/www.dognmonkey.com\/techs\/fix-samsung-tv-turn-onoff-with-screeching-sound-distorted-display.html","title":{"rendered":"Fix Samsung TV Turn On\/Off With Screeching Sound Distorted Display"},"content":{"rendered":"<p><link href=\"\/idogjs\/icss\/font-awesome\/css\/ifotorama.css\" rel=\"stylesheet\"><script src=\"https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.11.3\/jquery.min.js\"><\/script><script src=\"\/idogjs\/ijs\/ifotorama.js\"><\/script><br \/>\n<em>My sister got a 46&#8243; Samsung 120Hz TV LN46A630M1F-S that started to turn on\/off when plugged in, shows distorted pictures when on, off then on with bright screen with screeching sound reminding me of the TV in the original movie &#8220;Poltergeist&#8221;. If these are your Samsung symptoms then there is an easy fix for it. Don&#8217;t throw the TV away yet. This is not problem of the <a href=\"\/\/www.dognmonkey.com\/techs\/samsung-lcd-tv-takes-too-long-to-turn-on-fix.html\" target=\"_blank\" rel=\"noopener\">blown capacitors like my other Samsung<\/a>.<\/em><\/p>\n<div class=\"igallery\">\n<figure id=\"attachment_4971\" aria-describedby=\"caption-attachment-4971\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a class=\"preview\" href=\"\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_green_screen_screeching_loud_sound.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-4971\" src=\"\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_green_screen_screeching_loud_sound-200x112.jpg\" alt=\"On\/Off with green screen and loud screeching sound.\" width=\"200\" height=\"112\" srcset=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_green_screen_screeching_loud_sound-200x112.jpg 200w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_green_screen_screeching_loud_sound-300x169.jpg 300w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_green_screen_screeching_loud_sound.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-4971\" class=\"wp-caption-text\">On\/Off with green screen and loud screeching sound.<\/figcaption><\/figure>\n<p>***<em>UNPLUG THE AC POWER CORD FROM THE TV***<\/em><em>Remove all the back cover screws &#8211; Don&#8217;t miss any or the back won&#8217;t come off.<\/em><\/p>\n<p>&#8211;\u00a0<em>Check the power board for <a class=\"preview\" href=\"\/\/www.dognmonkey.com\/media\/samsungfix\/sm_samsung899.JPG\" target=\"_blank\" rel=\"lightbox[120hz] noopener\">bulging capacitors<\/a>. The chance are they&#8217;re all good (the top surfaces are flat).<\/em><\/p>\n<\/div>\n<p>&#8211;\u00a0<em>Remove the controller board &#8211; BN97-0247B &#8211; send it to Ebay service provider or order parts to replace them yourself. Parts are: <a href=\"\/\/www.mouser.com\/ProductDetail\/Monolithic-Power-Systems-MPS\/MP2363DN-LF\/?qs=sGAEpiMZZMtitjHzVIkrqYaz3CPoGGafLvTs2T5R8YU%3d\" target=\"_blank\" rel=\"noopener\">MP2363DN <\/a>and <a href=\"\/\/www.mouser.com\/ProductDetail\/Vishay-Polytech\/T55B476M010C0070\/?qs=sGAEpiMZZMtZ1n0r9vR22btM%2fVPdUi0Yj60VZiFOfh3EMD7qB%2fKLTQ%3d%3d\" target=\"_blank\" rel=\"noopener\">47uF 10V (NE 8 AS7) polymer tantalum capacitor<\/a>.<\/em><\/p>\n<p>&#8211;\u00a0<em>There are Ebay sellers that sell <a href=\"\/\/www.ebay.com\/itm\/Samsung-BN94-01723J-BN41-00975B-BN97-01985U-Main-Board-Component-Repair-Kit\/251845961597?_trksid=p2047675.c100009.m1982&amp;_trkparms=aid%3D777000%26algo%3DABA.MBE%26ao%3D1%26asc%3D29980%26meid%3D4e9de897c36f4a2689cd8842e842a3c2%26pid%3D100009%26rk%3D1%26rkt%3D1%26sd%3D141398798360\" target=\"_blank\" rel=\"noopener\">correct parts <\/a>or <a href=\"\/\/www.ebay.com\/itm\/Samsung-BN97-02474B-REPAIR-SERVICE-Loud-Screeching-TV-Cycling-On-OFF\/131521082266?_trksid=p2047675.c100011.m1850&amp;_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D29980%26meid%3D4f36f71bd62f4b03b0e397f611b2eb50%26pid%3D100011%26rk%3D4%26rkt%3D10%26sd%3D171802310179\" target=\"_blank\" rel=\"noopener\">provide the service <\/a>for this replacement if you don&#8217;t have a soldering iron or skills to do it.<\/em><\/p>\n<p><em>&#8211; This will fix this problem.<\/em><\/p>\n<div class='fotorama--wp' data-allowfullscreen='yes'data-ids='4975,4976,4977,4978,4979,4983,4980,4981,4984'data-link='file'data-itemtag='dl'data-icontag='dt'data-captiontag='dd'data-columns='0'data-size='large'data-width='600'data-auto='false'data-max-width='100%'data-ratio='1.7751479289941'><div id='gallery-1' class='gallery galleryid-4966 gallery-columns-0 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_cover_screws.jpg' data-full='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_cover_screws.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"112\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_cover_screws-200x112.jpg\" class=\"w3-image attachment-thumbnail size-thumbnail\" alt=\"all locations of back cover screws\" aria-describedby=\"gallery-1-4975\" srcset=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_cover_screws-200x112.jpg 200w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_cover_screws-300x169.jpg 300w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_cover_screws.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4975'>\n\t\t\t\tBack Cover Screws- the top middle screw doesn&#8217;t exist as marked on the picture\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_location1.jpg' data-full='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_location1.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"112\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_location1-200x112.jpg\" class=\"w3-image attachment-thumbnail size-thumbnail\" alt=\"Top view controller board\" aria-describedby=\"gallery-1-4976\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4976'>\n\t\t\t\tThe locations of the 2 components are on the other side of the connectors\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_mp2363dn_47uf.jpg' data-full='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_mp2363dn_47uf.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"112\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_mp2363dn_47uf-200x112.jpg\" class=\"w3-image attachment-thumbnail size-thumbnail\" alt=\"Components locations\" aria-describedby=\"gallery-1-4977\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4977'>\n\t\t\t\tMP2363DN 8-pins and NE 8 AS7 47uF Polymer Tantalum capacitor &#8211; Notice the polarity of the cap.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310099.jpg' data-full='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310099.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"112\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310099-200x112.jpg\" class=\"w3-image attachment-thumbnail size-thumbnail\" alt=\"Special cables\" aria-describedby=\"gallery-1-4978\" srcset=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310099-200x112.jpg 200w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310099-300x169.jpg 300w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310099.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4978'>\n\t\t\t\tSpecial cables need to be removed\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310103.jpg' data-full='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310103.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"112\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310103-200x112.jpg\" class=\"w3-image attachment-thumbnail size-thumbnail\" alt=\"MP2363DN voltage regulator\" aria-describedby=\"gallery-1-4979\" srcset=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310103-200x112.jpg 200w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310103-300x169.jpg 300w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310103.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4979'>\n\t\t\t\tMP2363DN down converter regulator\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310104.jpg' data-full='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310104.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"112\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310104-200x112.jpg\" class=\"w3-image attachment-thumbnail size-thumbnail\" alt=\"47uF 10V tantalum capacitor\" aria-describedby=\"gallery-1-4983\" srcset=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310104-200x112.jpg 200w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310104-300x169.jpg 300w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310104.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4983'>\n\t\t\t\tVishay 47uF 10V Polymer Tantalum Capacitor size B\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310100.jpg' data-full='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310100.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"112\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310100-200x112.jpg\" class=\"w3-image attachment-thumbnail size-thumbnail\" alt=\"TV is Fixed\" aria-describedby=\"gallery-1-4980\" srcset=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310100-200x112.jpg 200w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310100-300x169.jpg 300w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310100.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4980'>\n\t\t\t\tThe TV is Fixed\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310101.jpg' data-full='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310101.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"112\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310101-200x112.jpg\" class=\"w3-image attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-4981\" srcset=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310101-200x112.jpg 200w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310101-300x169.jpg 300w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_P1310101.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4981'>\n\t\t\t\tAll functions work\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_power_board_capacitors_inspection.jpg' data-full='https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_power_board_capacitors_inspection.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"112\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_power_board_capacitors_inspection-200x112.jpg\" class=\"w3-image attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-4984\" srcset=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_power_board_capacitors_inspection-200x112.jpg 200w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_power_board_capacitors_inspection-300x169.jpg 300w, https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/2015\/06\/z_power_board_capacitors_inspection.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4984'>\n\t\t\t\tCheck power board for bad bulging capacitors.\n\t\t\t\t<\/dd><\/dl>\n\t\t<\/div>\n<\/div>\n<p style=\"text-align: center;\"><div class=\"youtube-player\" data-id=\"VElRtuoAxX8\"><\/div><\/p>\n<ul class=\"lcp_catlist\" id=\"lcp_instance_0\"><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>My sister got a 46&#8243; Samsung 120Hz TV LN46A630M1F-S that started to turn on\/off when plugged in, shows distorted pictures when on, off then on with bright screen with screeching sound reminding me of the TV in the original movie &#8220;Poltergeist&#8221;. If these are your Samsung symptoms then there is an easy fix for it. <a href=\"https:\/\/www.dognmonkey.com\/techs\/fix-samsung-tv-turn-onoff-with-screeching-sound-distorted-display.html\" class=\"more-link\">&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":4976,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[632,488],"tags":[674,673,676,672,675],"class_list":["post-4966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-samsung-smart-tv","category-television","tag-120hz-tv","tag-ln46a630m1f-s","tag-onoff-repeatedly","tag-samsung-tv-fix","tag-screeching-sound"],"views":22653,"_links":{"self":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts\/4966","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/comments?post=4966"}],"version-history":[{"count":3,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts\/4966\/revisions"}],"predecessor-version":[{"id":8227,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts\/4966\/revisions\/8227"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/media\/4976"}],"wp:attachment":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/media?parent=4966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/categories?post=4966"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/tags?post=4966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}