{"id":12924,"date":"2021-06-30T21:41:00","date_gmt":"2021-06-30T13:41:00","guid":{"rendered":"https:\/\/rewa.tech\/iphone-x-black-screen-issue\/"},"modified":"2024-05-10T15:25:11","modified_gmt":"2024-05-10T07:25:11","slug":"problema-dello-schermo-nero-di-iphone-x","status":"publish","type":"post","link":"https:\/\/rewa.tech\/it\/iphone-x-black-screen-issue\/","title":{"rendered":"Problema dello schermo nero di iPhone X"},"content":{"rendered":"<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: justify; text-justify: inter-ideograph;\"><b><span style=\"font-family: Calibri; font-size: 15pt;\">Fenomeno di malfunzionamento<\/span><\/b><b><span style=\"font-family: Calibri; font-size: 15pt;\"><\/p>\n<p><\/span><\/b><\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">L'iPhone X ha una schermata nera e non risponde affatto.<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/p>\n<p><\/span>.<\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: justify; text-justify: inter-ideograph;\"><b><span style=\"font-family: Calibri; font-size: 15pt;\">Risoluzione dei problemi<\/span><\/b><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><b><span style=\"font-family: Calibri; font-size: 15pt;\"><\/p>\n<p><\/span><\/b><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Smontate il telefono ed eseguite <\/span><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: Calibri; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: Calibri;\">il <\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">ispezione estetica della scheda madre.&nbsp;<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">C'\u00e8 un po' di <\/span><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: Calibri; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: Calibri;\">deformati<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">sulla scheda madre.<\/span><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: Calibri; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">&nbsp;<\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Poich\u00e9 il problema \u00e8 legato al display. Quindi, possiamo&nbsp;<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">misurare prima il valore del diodo sul connettore del display J5700,&nbsp;<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">il valore misurato del diodo del pin 21 su J5700 \u00e8 superiore al valore normale.<\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/p>\n<p><\/span>.<span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Dallo schema del circuito,&nbsp;<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Il pin 21 del J5700 \u00e8 collegato al pin A6 della CPU tramite L5720.<\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-x-black-screen-issue-rpmh0.png\" alt=\"\" title=\"\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Innanzitutto, possiamo sostituire l'induttore L5720 con uno nuovo.&nbsp;<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Dopo di che, misurando nuovamente il valore del diodo, il problema \u00e8 ancora irrisolto.<\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Quindi possiamo staccare due strati l'uno dall'altro e rimuovere la CPU,&nbsp;<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">e scoprire che la piazzola del pin A6 \u00e8 saltata.&nbsp;<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Possiamo quindi concludere che il guasto \u00e8 legato al pin A6 della CPU.<\/span><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: Calibri; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">&nbsp;&nbsp;&nbsp;<\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Quindi, con un coltello speciale, raschiamo le linee rilevanti del pin A6 e le colleghiamo con un filo di ponticello.<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/p>\n<p><\/span>.<\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iPhone_X_Black_Screen.png\" alt=\"iPhone X schermo nero\" width=\"389\" height=\"261\" title=\"\"><\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Dopo averla terminata e aver rimesso a posto la CPU, allora<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">&nbsp;<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">assemblarlo e testarlo di nuovo, il problema \u00e8 stato risolto.<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">.<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/p>\n<p><\/span>.<\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-x-black-screen-issue-2ntjy.png\" alt=\"\" title=\"\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" align=\"justify\" style=\"text-align: left;\">\n<p class=\"MsoNormal\"><a href=\"https:\/\/academy.rewa.tech\/courses\/iphone-x-logic-board-repair-course\"><b><u><span class=\"15\" style=\"font-family: \u5b8b\u4f53; color: #0000ff; font-size: 14pt;\"><span style=\"font-family: Calibri;\">Corso di riparazione della scheda madre di iPhone X<\/span><\/span><\/u><\/b><\/a><b><span style=\"font-family: \u5b8b\u4f53; font-size: 14pt;\"><\/p>\n<p><\/span><\/b><\/p>","protected":false},"excerpt":{"rendered":"<p>Malfunction Phenomenon The iPhone X black screen and no response at all. Trouble Shooting Take apart the phone and run the cosmetic inspection of the motherboard.&nbsp;There is some deformation on the motherboard.&nbsp; Since the issue is related to the display. So, we can&nbsp;measure the diode value on the display connector J5700 first,&nbsp;the measured diode value [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":12925,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[780],"tags":[],"class_list":["post-12924","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iphone-repair-cases"],"_links":{"self":[{"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/posts\/12924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/comments?post=12924"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/posts\/12924\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/media\/12925"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/media?parent=12924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/categories?post=12924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/tags?post=12924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}