{"id":13261,"date":"2022-08-12T14:49:00","date_gmt":"2022-08-12T06:49:00","guid":{"rendered":"https:\/\/rewa.tech\/xiaomi-mi-11-ultra-cannot-boot-repair\/"},"modified":"2024-08-23T09:03:44","modified_gmt":"2024-08-23T01:03:44","slug":"xiaomi-mi-11-ultra-no-puede-arrancar-reparacion","status":"publish","type":"post","link":"https:\/\/rewa.tech\/es\/xiaomi-mi-11-ultra-cannot-boot-repair\/","title":{"rendered":"Xiaomi Mi 11 Ultra no puede arrancar Gu\u00eda de reparaci\u00f3n"},"content":{"rendered":"<p>El Xiaomi Mi 11 Ultra, anunciado en marzo de 2021, es un smartphone insignia conocido por sus caracter\u00edsticas avanzadas. Sin embargo, problemas como da\u00f1os por humedad pueden hacer que el tel\u00e9fono no arranque. Esta gu\u00eda proporciona un proceso detallado de soluci\u00f3n de problemas y reparaci\u00f3n para un Xiaomi Mi 11 Ultra que no puede encenderse debido a da\u00f1os por humedad.<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center has-blush-light-purple-gradient-background has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/XiaomiMi11Ultra.jpg\" alt=\"\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Modelo:<\/strong> Xiaomi Mi 11 Ultra<\/p>\n\n\n\n<p><strong>Anunciado:<\/strong>&nbsp;2021, 29 de marzo<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Fen\u00f3meno del defecto<\/h2>\n\n\n\n<p>El tel\u00e9fono se limpi\u00f3 con alcohol, lo que hizo que entrara humedad en la placa base, provocando problemas en la pantalla y, finalmente, que el tel\u00e9fono no se encendiera. Un centro de reparaciones oficial diagnostic\u00f3 que se trataba de un da\u00f1o causado por el hombre, por lo que no era apto para la reparaci\u00f3n en garant\u00eda. El coste de sustituir la placa y la pantalla era demasiado elevado, as\u00ed que nos enviaron el tel\u00e9fono para repararlo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Soluci\u00f3n de problemas<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/01__Disseemble_the_phone.png\" alt=\"\" style=\"object-fit:cover;width:400px;height:600px\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\"><strong>Inspecci\u00f3n inicial<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Desmonte el tel\u00e9fono y extraiga la placa base.<\/li>\n\n\n\n<li>Inspecciona la placa base con un microscopio. Aunque algunas zonas mostraban una corrosi\u00f3n menor, no hab\u00eda da\u00f1os evidentes.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Limpie las partes corrosivas con limpiador de PCB.<\/li>\n\n\n\n<li>Inspeccione el tablero peque\u00f1o en la parte inferior en busca de corrosi\u00f3n; no se encontr\u00f3 ninguna.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped lightbox wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/03__Clean_the_corrosive_parts_with_the_PCB_cleaner.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/04__no_obvious_damage_on_the_bottom_either.png\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/04__no_obvious_damage_on_the_bottom_either.png\" alt=\"\" title=\"\"><\/a><\/figure>\n<\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pruebas de tensi\u00f3n<\/strong>:<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped lightbox wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/06__Boot_with_terrzers.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/05__No_current_leakage_when_connecting_with_the_DC_power_supply_machine.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/07__1_5A_charging_Current.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/08__600mA_current_leakage.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Conecte la placa base a una m\u00e1quina de alimentaci\u00f3n de CC.<\/li>\n\n\n\n<li>No se detectaron fugas de corriente.<\/li>\n\n\n\n<li>Intento de activar el proceso de arranque con pinzas. La corriente de arranque fluctu\u00f3 entre 0 y 200 mA.<\/li>\n\n\n\n<li>Montar temporalmente el tel\u00e9fono para probar la funci\u00f3n de carga; la corriente de carga era normal.<\/li>\n\n\n\n<li>Sin embargo, la zona de la PMU (Unidad de Gesti\u00f3n de Potencia) estaba m\u00e1s caliente que otras zonas.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\"><strong>Investigaci\u00f3n adicional<\/strong>:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vuelva a conectar la placa base a la m\u00e1quina de alimentaci\u00f3n de CC; se ha detectado una fuga de corriente de m\u00e1s de 600 mA.<\/li>\n\n\n\n<li>Utilice el m\u00e9todo de inspecci\u00f3n de colofonia para identificar fuentes de calor. La colofonia del chip de la PMU se derriti\u00f3, lo que indica posibles da\u00f1os en la PMU.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/09__osin_melt.png\" alt=\"\" title=\"\"><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Extracci\u00f3n del chip de la PMU:<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped lightbox wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/10__Clean_pads_on_the_PCB_with_solder_wick.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/11__focus_on_checking_the_heat_area_diode_values.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/12__After_measuring__we_find_there_is_a_short_on_the_pin_at_the_edge.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/13__Jump_a_wire_on_the_capacitor.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/14__Then_apply_a_1_8_voltage_on_the_rail.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Corte la cubierta de blindaje y retire el PMIC (Power Management IC).<\/li>\n\n\n\n<li>Limpie las almohadillas de uni\u00f3n de la placa de circuito impreso con una mecha de soldadura.<\/li>\n\n\n\n<li>Mide los valores del diodo en la zona de calor con un mult\u00edmetro, encontrando un cortocircuito en una patilla del borde.<\/li>\n\n\n\n<li>Haga saltar un cable en el lado del condensador para aplicar tensi\u00f3n e identificar los componentes en cortocircuito.<\/li>\n\n\n\n<li>Aplique 1,8 voltios al carril y encuentre calor procedente de la placa de se\u00f1alizaci\u00f3n 5G.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Inspecci\u00f3n de la placa de se\u00f1ales 5G:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Separe el tablero de se\u00f1ales 5G de dos capas.<\/li>\n\n\n\n<li>Busque virutas corrosivas en el interior y ret\u00edrelas.<\/li>\n\n\n\n<li>Utilice de nuevo el m\u00e9todo de inspecci\u00f3n con colofonia, identificando un condensador fundido. Retire el condensador.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped lightbox wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><a href=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/15__5G_board_hot.png\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/15__5G_board_hot.png\" alt=\"\" title=\"\"><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/16__After_separating__we_can_find_there_are_some_chips_inside_are_corrosive.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/17__A_capacitor_with_melt_rosin.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/18__Remove_the_melt_cap_directly.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Proceso de reparaci\u00f3n<\/h2>\n\n\n\n<p><strong>Reballing y resoldado<\/strong>:<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/Xiaomi_Mi_11_Ultra_Cannot_Boot_Repair.png\" alt=\"Xiaomi Mi 11 Ultra No Puede Arrancar Reparaci\u00f3n\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Reball tres chips corrosivos y el PMU IC.<\/li>\n\n\n\n<li>Suelde los componentes reballed de nuevo en la placa base.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<p>Una vez finalizado el proceso de reballing, vuelva a realizar una prueba para asegurarse de que no sigue habiendo fugas.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Recombina la placa de se\u00f1ales 5G con la placa base.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/19__Solder_back_the_5G_little_board.png\" alt=\"\" title=\"\"><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Montaje y pruebas<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped lightbox wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/00__Fixed_perfectly.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/20__Fixed_the_phone.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Montar el tel\u00e9fono<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vuelva a montar el tel\u00e9fono con la pantalla y las piezas originales.<\/li>\n\n\n\n<li>Pulsa el bot\u00f3n de encendido para arrancar el tel\u00e9fono.<\/li>\n<\/ul>\n\n\n\n<p><strong>Pruebas de funcionamiento<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compruebe que el tel\u00e9fono se inicia con normalidad y que todas las funciones funcionan correctamente.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Resumen<\/h2>\n\n\n\n<p>El problema de no arranque del Xiaomi Mi 11 Ultra se resolvi\u00f3 por:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Retirar el condensador cortocircuitado.<\/li>\n\n\n\n<li>Limpieza y soldadura de los chips corrosivos relacionados con la funci\u00f3n de se\u00f1al 5G.<\/li>\n\n\n\n<li>Reballing de la PMU IC.<\/li>\n<\/ul>\n\n\n\n<p>Este proceso de reparaci\u00f3n requiere un trabajo preciso y una inspecci\u00f3n cuidadosa para devolver al tel\u00e9fono toda su funcionalidad sin causar da\u00f1os adicionales.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Xiaomi Mi 11 Ultra, announced in March 2021, is a flagship smartphone known for its advanced features. However, issues such as moisture damage can cause the phone to fail to boot. This guide provides a detailed troubleshooting and repair process for a Xiaomi Mi 11 Ultra that cannot turn on due to moisture damage. [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":13262,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[10,5,13],"tags":[1403,1402],"class_list":["post-13261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-android","category-guide","category-how-to","tag-xiaomi-mi-11-ultra","tag-xiaomi-mi-11-ultra-problems"],"_links":{"self":[{"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/posts\/13261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/comments?post=13261"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/posts\/13261\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/media\/13262"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/media?parent=13261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/categories?post=13261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/tags?post=13261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}