{"id":12922,"date":"2021-06-30T21:08:00","date_gmt":"2021-06-30T13:08:00","guid":{"rendered":"https:\/\/rewa.tech\/8-2\/"},"modified":"2024-05-10T15:25:12","modified_gmt":"2024-05-10T07:25:12","slug":"8-2","status":"publish","type":"post","link":"https:\/\/rewa.tech\/it\/8-2\/","title":{"rendered":"La scheda SIM di iPhone X non viene riconosciuta"},"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;\"><o_p><\/o_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;\">La scheda SIM non pu\u00f2&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;\">essere riconosciuti al telefono.<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\"><o_p><\/o_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><b><span style=\"font-family: Calibri; font-size: 15pt;\"><o_p><\/o_p><\/span><\/b><\/p>\n<p class=\"MsoNormal\"><span style=\"font-family: Calibri;\"><span style=\"font-size: 16px;\">In primo luogo, \u00e8 necessario t<\/span><\/span><span style=\"font-family: Calibri; font-size: 12pt;\">a smontare il telefono ed eseguire l'ispezione estetica della scheda madre. Non ci sono danni da acqua <\/span><span style=\"font-family: \u5b8b\u4f53; font-size: 12pt;\"><span style=\"font-family: Calibri;\">o <\/span><\/span><span style=\"font-family: Calibri; font-size: 12pt;\">deformazione.<\/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;\">Quindi misurare <\/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;\">tensione di lavoro del connettore della scheda SIM,&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 sul pin di SIM_DETECT \u00e8 di 0,45 V, un valore anomalo (il valore normale della tensione dovrebbe essere di circa 1,8 V).<\/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\"><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;\">possiamo provare a sostituire R202_E (100K) con uno nuovo (1K).<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><o_p><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/SIM_Card_Cannot_Be_Recognized.png\" alt=\"La carta SIM non viene riconosciuta\" width=\"859\" height=\"399\" title=\"\"><\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">&nbsp;<\/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;\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iPhone_X_SIM_Card_Cant_Be_Recognized_Change_Resistor.png\" alt=\"La carta SIM non viene riconosciuta\" width=\"306\" height=\"228\" title=\"\"><\/span><\/p>\n<p class=\"MsoNormal\" 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 il completamento&nbsp;<\/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;\">sostituzione del resistore<\/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;\">, allora&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;\"><o_p><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" 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\" style=\"text-align: left;\"><strong><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Suggerimenti:<\/span><\/strong><\/p>\n<p class=\"MsoNormal\" 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;\">Per quanto riguarda il problema della scheda SIM, come l'assenza della scheda SIM. Dobbiamo concentrarci sul controllo del valore del diodo e dei valori di tensione dei pin correlati.<\/span><\/p>\n<p class=\"MsoNormal\" 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;\">In caso di anomalie, consultare il diagramma a blocchi o gli schemi per verificare e individuare i componenti interessati, quindi procedere alla sostituzione.<\/span><\/p>\n<p class=\"MsoNormal\" 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;\">In questo caso, la tensione sul&nbsp;<\/span><span style=\"font-family: Calibri; font-size: 16px;\">SIM_DETECT dovrebbe essere di circa 1,8V. Ma il risultato effettivamente misurato \u00e8 di soli 0,45V. Quindi la possibile causa \u00e8 il resistore con un problema. Per introdurre una tensione adeguata nel binario, possiamo provare a cambiare un resistore molto piccolo.<\/span><\/p>\n<p class=\"MsoNormal\" 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\"><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;\"><o_p><\/o_p><\/span><\/b><\/p>\n<p class=\"MsoNormal\"><b><u><span class=\"15\" style=\"font-family: \u5b8b\u4f53; color: #0000ff; font-size: 14pt;\"><span style=\"font-family: Calibri;\"><\/span><\/span><\/u><\/b><\/p>","protected":false},"excerpt":{"rendered":"<p>Malfunction Phenomenon The SIM card cannot&nbsp;be recognized on the phone. Trouble Shooting First, we need to take apart the phone and run the cosmetic inspection of the motherboard. There is no water damage or deformation. Then measure the working voltage of the SIM card connector,&nbsp;the measured value pin of SIM_DETECT is 0.45V, which is abnormal [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":12923,"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-12922","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\/12922","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=12922"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/posts\/12922\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/media\/12923"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/media?parent=12922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/categories?post=12922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/tags?post=12922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}