{"id":6551,"date":"2025-06-30T22:10:31","date_gmt":"2025-06-30T22:10:31","guid":{"rendered":"https:\/\/portatilinformatica.com.br\/?p=6551"},"modified":"2025-09-17T13:28:52","modified_gmt":"2025-09-17T13:28:52","slug":"macbook-air-a2179-sem-som-ou-touch-id-travado-veja-o-reparo-da-placa-secundaria","status":"publish","type":"post","link":"https:\/\/demo03wesoftwaredesign.com.br\/?p=6551","title":{"rendered":"MacBook Air A2179 Sem Som ou Touch ID Travado? Veja o Reparo da Placa Secund\u00e1ria"},"content":{"rendered":"<h2 data-start=\"570\" data-end=\"692\">\ufe0f <strong data-start=\"577\" data-end=\"692\">MacBook Air A2179 com Touch ID Travado ou Sem Som? Veja o Reparo Avan\u00e7ado e os Riscos de N\u00e3o Corrigir o Defeito<\/strong><\/h2>\n<p data-start=\"694\" data-end=\"1116\">O <strong data-start=\"696\" data-end=\"730\">MacBook Air A2179 (2020 Intel)<\/strong> \u00e9 um dos \u00faltimos modelos com processador Intel lan\u00e7ado pela Apple, j\u00e1 incorporando o bot\u00e3o <strong data-start=\"822\" data-end=\"855\">Touch ID integrado ao teclado<\/strong>, controlador de som e sistema de alto-falantes est\u00e9reo.<br data-start=\"911\" data-end=\"914\" \/>Apesar do excelente desempenho, esse modelo possui <strong data-start=\"965\" data-end=\"997\">placas secund\u00e1rias sens\u00edveis<\/strong> que podem apresentar <strong data-start=\"1019\" data-end=\"1037\">curto circuito<\/strong>, especialmente ap\u00f3s quedas, mau uso de carregadores ou infiltra\u00e7\u00e3o de l\u00edquido.<\/p>\n<p data-start=\"1118\" data-end=\"1311\">Na <strong data-start=\"1121\" data-end=\"1145\">Port\u00e1til Inform\u00e1tica<\/strong>, realizamos o <strong data-start=\"1160\" data-end=\"1199\">reparo avan\u00e7ado da placa secund\u00e1ria<\/strong>, <strong data-start=\"1201\" data-end=\"1234\">substitui\u00e7\u00e3o de controladores<\/strong> e recupera\u00e7\u00e3o total do funcionamento do <strong data-start=\"1275\" data-end=\"1310\">Touch ID, \u00e1udio e alto-falantes<\/strong>.<\/p>\n<h3 data-start=\"1318\" data-end=\"1373\"><strong data-start=\"1325\" data-end=\"1373\">Curto no Touch ID: como ocorre e o que fazer<\/strong><\/h3>\n<p data-start=\"1375\" data-end=\"1532\">O Touch ID do A2179 \u00e9 alimentado por uma linha de tens\u00e3o pr\u00f3pria e interligado \u00e0 <strong data-start=\"1456\" data-end=\"1505\">placa de circuito que gerencia tamb\u00e9m o \u00e1udio<\/strong>. Entre os defeitos comuns:<\/p>\n<ul data-start=\"1534\" data-end=\"1713\">\n<li data-start=\"1534\" data-end=\"1568\">\n<p data-start=\"1536\" data-end=\"1568\"><strong data-start=\"1536\" data-end=\"1566\">Toque digital n\u00e3o funciona<\/strong><\/p>\n<\/li>\n<li data-start=\"1569\" data-end=\"1620\">\n<p data-start=\"1571\" data-end=\"1620\"><strong data-start=\"1571\" data-end=\"1618\">Erro de seguran\u00e7a no sistema ao ligar o Mac<\/strong><\/p>\n<\/li>\n<li data-start=\"1621\" data-end=\"1661\">\n<p data-start=\"1623\" data-end=\"1661\"><strong data-start=\"1623\" data-end=\"1659\">Mac n\u00e3o liga por falha no sensor<\/strong><\/p>\n<\/li>\n<li data-start=\"1662\" data-end=\"1713\">\n<p data-start=\"1664\" data-end=\"1713\"><strong data-start=\"1664\" data-end=\"1713\">Curto no flex do Touch ID afeta o bot\u00e3o power<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1715\" data-end=\"1751\">Na Port\u00e1til Inform\u00e1tica, realizamos:<\/p>\n<p data-start=\"1753\" data-end=\"1984\">\u2705 Diagn\u00f3stico preciso com <strong data-start=\"1779\" data-end=\"1805\">microsc\u00f3pio eletr\u00f4nico<\/strong><br data-start=\"1805\" data-end=\"1808\" \/>\u2705 Teste de continuidade e malha de tens\u00e3o<br data-start=\"1849\" data-end=\"1852\" \/>\u2705 <strong data-start=\"1854\" data-end=\"1900\">Substitui\u00e7\u00e3o da placa auxiliar do Touch ID<\/strong> com chipset compat\u00edvel<br data-start=\"1923\" data-end=\"1926\" \/>\u2705 Reprograma\u00e7\u00e3o segura do sistema para aceitar novo sensor<\/p>\n<h3 data-start=\"1991\" data-end=\"2058\"><strong data-start=\"1998\" data-end=\"2058\">Falhas no \u00e1udio ou alto-falante? Pode ser a mesma placa!<\/strong><\/h3>\n<p data-start=\"2060\" data-end=\"2137\">Essa <strong data-start=\"2065\" data-end=\"2125\">placa auxiliar tamb\u00e9m \u00e9 respons\u00e1vel pelo circuito de som<\/strong>, incluindo:<\/p>\n<ul data-start=\"2139\" data-end=\"2260\">\n<li data-start=\"2139\" data-end=\"2163\">\n<p data-start=\"2141\" data-end=\"2163\">Controlador de \u00e1udio<\/p>\n<\/li>\n<li data-start=\"2164\" data-end=\"2198\">\n<p data-start=\"2166\" data-end=\"2198\">Amplificadores do alto-falante<\/p>\n<\/li>\n<li data-start=\"2199\" data-end=\"2223\">\n<p data-start=\"2201\" data-end=\"2223\">Flat de sa\u00edda de som<\/p>\n<\/li>\n<li data-start=\"2224\" data-end=\"2260\">\n<p data-start=\"2226\" data-end=\"2260\">Conex\u00e3o com o sistema de microfone<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2262\" data-end=\"2279\">Sintomas t\u00edpicos:<\/p>\n<ul data-start=\"2281\" data-end=\"2483\">\n<li data-start=\"2281\" data-end=\"2331\">\n<p data-start=\"2283\" data-end=\"2331\"><strong data-start=\"2283\" data-end=\"2329\">MacBook sem som mesmo com volume no m\u00e1ximo<\/strong><\/p>\n<\/li>\n<li data-start=\"2332\" data-end=\"2366\">\n<p data-start=\"2334\" data-end=\"2366\"><strong data-start=\"2334\" data-end=\"2364\">Som distorcido ou falhando<\/strong><\/p>\n<\/li>\n<li data-start=\"2367\" data-end=\"2412\">\n<p data-start=\"2369\" data-end=\"2412\"><strong data-start=\"2369\" data-end=\"2410\">Alto-falante esquerdo ou direito mudo<\/strong><\/p>\n<\/li>\n<li data-start=\"2413\" data-end=\"2483\">\n<p data-start=\"2415\" data-end=\"2483\"><strong data-start=\"2415\" data-end=\"2483\">MacBook liga, mas fica sem resposta auditiva e sem toque digital<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2485\" data-end=\"2605\">Realizamos <strong data-start=\"2496\" data-end=\"2536\">troca completa ou reparo do circuito<\/strong> com solda BGA e substitui\u00e7\u00e3o de trilhas rompidas, quando necess\u00e1rio.<\/p>\n<h3 data-start=\"2612\" data-end=\"2671\">\u274c <strong data-start=\"2618\" data-end=\"2671\">Evite desmontar o MacBook A2179 por conta pr\u00f3pria<\/strong><\/h3>\n<p data-start=\"2673\" data-end=\"2766\">Esse modelo tem estrutura ultrafina e conex\u00f5es delicadas. Desmontagens sem experi\u00eancia podem:<\/p>\n<p data-start=\"2768\" data-end=\"2982\">Romper o flat do bot\u00e3o power (que \u00e9 o pr\u00f3prio Touch ID)<br data-start=\"2826\" data-end=\"2829\" \/>Danificar a malha t\u00e9rmica do conector de \u00e1udio<br data-start=\"2878\" data-end=\"2881\" \/>Fechar curto entre os pads do alto-falante<br data-start=\"2926\" data-end=\"2929\" \/>Rachar o topcase de alum\u00ednio onde o bot\u00e3o \u00e9 fixado<\/p>\n<p data-start=\"2984\" data-end=\"3079\"><strong data-start=\"2984\" data-end=\"3079\">\u26a0\ufe0f A tentativa de conserto caseiro pode inviabilizar a recupera\u00e7\u00e3o do sistema de seguran\u00e7a.<\/strong><\/p>\n<h3 data-start=\"3086\" data-end=\"3160\"><strong data-start=\"3093\" data-end=\"3160\">Port\u00e1til Inform\u00e1tica \u2013 Especialistas em MacBook Air A2179 em BH<\/strong><\/h3>\n<p data-start=\"3162\" data-end=\"3323\">Estamos localizados na <strong data-start=\"3185\" data-end=\"3250\">Av. Guarapari, n\u00ba 53 \u2013 loja 8 \u2013 Santa Am\u00e9lia \u2013 Belo Horizonte<\/strong>, atendendo com rapidez, diagn\u00f3stico t\u00e9cnico e ferramentas profissionais.<\/p>\n<p data-start=\"3325\" data-end=\"3351\">Atendemos os bairros:<\/p>\n<ul data-start=\"3352\" data-end=\"3489\">\n<li data-start=\"3352\" data-end=\"3372\">\n<p data-start=\"3354\" data-end=\"3372\"><strong data-start=\"3354\" data-end=\"3370\">Santa Am\u00e9lia<\/strong><\/p>\n<\/li>\n<li data-start=\"3373\" data-end=\"3393\">\n<p data-start=\"3375\" data-end=\"3393\"><strong data-start=\"3375\" data-end=\"3391\">Santa M\u00f4nica<\/strong><\/p>\n<\/li>\n<li data-start=\"3394\" data-end=\"3409\">\n<p data-start=\"3396\" data-end=\"3409\"><strong data-start=\"3396\" data-end=\"3407\">Jaragu\u00e1<\/strong><\/p>\n<\/li>\n<li data-start=\"3410\" data-end=\"3427\">\n<p data-start=\"3412\" data-end=\"3427\"><strong data-start=\"3412\" data-end=\"3425\">Liberdade<\/strong><\/p>\n<\/li>\n<li data-start=\"3428\" data-end=\"3449\">\n<p data-start=\"3430\" data-end=\"3449\"><strong data-start=\"3430\" data-end=\"3447\">Jardim Leblon<\/strong><\/p>\n<\/li>\n<li data-start=\"3450\" data-end=\"3489\">\n<p data-start=\"3452\" data-end=\"3489\"><strong data-start=\"3452\" data-end=\"3489\">Pampulha (regi\u00e3o da Av. Portugal)<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3491\" data-end=\"3603\">WhatsApp: <strong data-start=\"3504\" data-end=\"3521\">xx31995787120<\/strong><br data-start=\"3521\" data-end=\"3524\" \/>Instagram: <a class=\"\" href=\"https:\/\/instagram.com\/portatilinformatica\" target=\"_new\" rel=\"noopener\" data-start=\"3538\" data-end=\"3603\">@portatilinformatica<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ufe0f MacBook Air A2179 com Touch ID Travado ou Sem Som? Veja o Reparo Avan\u00e7ado e os Riscos de N\u00e3o Corrigir o Defeito O MacBook Air A2179 (2020 Intel) \u00e9 um dos \u00faltimos modelos com processador Intel lan\u00e7ado pela Apple, j\u00e1 incorporando o bot\u00e3o Touch ID integrado ao teclado, controlador de som e sistema de&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,1,32,33,35],"tags":[],"class_list":["post-6551","post","type-post","status-publish","format-standard","hentry","category-area-de-atuacao","category-artigos","category-blog","category-dicas","category-macos"],"_links":{"self":[{"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/posts\/6551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6551"}],"version-history":[{"count":2,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/posts\/6551\/revisions"}],"predecessor-version":[{"id":22449,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/posts\/6551\/revisions\/22449"}],"wp:attachment":[{"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}