{"id":12834,"date":"2021-06-16T21:10:00","date_gmt":"2021-06-16T13:10:00","guid":{"rendered":"https:\/\/rewa.tech\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer\/"},"modified":"2024-05-10T15:29:16","modified_gmt":"2024-05-10T07:29:16","slug":"iphone-7-bootet-in-einer-schleife-und-kann-vom-computer-nicht-erkannt-werden","status":"publish","type":"post","link":"https:\/\/rewa.tech\/de\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer\/","title":{"rendered":"iPhone 7 Boot Loop und keine Verbindung mit dem Computer"},"content":{"rendered":"<p class=\"MsoNormal\"><b><span style=\"font-family: Calibri; font-size: 14pt;\">St\u00f6rungsph\u00e4nomen <\/span><\/b><b><span style=\"font-family: Calibri; font-size: 14pt;\"><\/p>\n<p><\/span><\/b><\/p>\n<p class=\"MsoNormal\"><span style=\"font-family: Calibri;\"><span style=\"font-size: 16px;\">iPhone 7 Boot Loop und keine Verbindung mit dem Computer<\/span><\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: Calibri;\"><\/span><\/span><\/p>\n<p class=\"MsoNormal\"><b><span style=\"font-family: Calibri; font-size: 14pt;\">St\u00f6rungsbeseitigung<\/span><\/b><b><span style=\"font-family: Calibri; font-size: 14pt;\"><\/p>\n<p><\/span><\/b><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: Calibri;\">B<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">eil das Telefon nicht mit dem Computer verbunden werden kann, k\u00f6nnen wir davon ausgehen, dass das Problem im USB-Schaltkreis liegt. Nehmen Sie die Hauptplatine heraus und pr\u00fcfen Sie, ob es Korrosion oder Verformungen gibt; die Hauptplatine sieht gut aus. <\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri; font-size: 12pt;\">Messen Sie weiterhin die Diodenwerte an den Kondensatoren um den USB-IC U4001; das Messergebnis sieht wie folgt aus<\/span><\/p>\n<ul>\n<li class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri; font-size: 12pt;\">Der Wert der Diode am Kondensator C4004 betr\u00e4gt 274<\/span><\/li>\n<li class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri; font-size: 12pt;\">Der Diodenwert f\u00fcr C4002 betr\u00e4gt 393<\/span><\/li>\n<li class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri; font-size: 12pt;\">Der Diodenwert von L4021 und L4022 ist der gleiche Wert 693<\/span><\/li>\n<\/ul>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri; font-size: 12pt;\">Alle Diodenwerte sind also normal.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer-7th12.png\" alt=\"\" width=\"298\" height=\"215\" title=\"\">&nbsp; &nbsp;<img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer-vzpil.png\" alt=\"\" width=\"322\" height=\"213\" title=\"\"><span style=\"font-family: Calibri; font-size: 12pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer-d3of4.png\" alt=\"\" title=\"\">&nbsp; &nbsp;&nbsp;<img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer-unec3.png\" alt=\"\" width=\"263\" height=\"201\" title=\"\"><span style=\"font-family: Calibri; font-size: 12pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer-4lnkm.png\" alt=\"\" width=\"682\" height=\"383\" title=\"\"><span style=\"font-family: Calibri; font-size: 12pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri; font-size: 12pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Zuletzt haben wir den Kondensator C4005 \u00fcberpr\u00fcft, der Wert war 0, was abnormal war.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer-qjqls.png\" alt=\"iPhone 7 Boot Loop und kann nicht vom Computer erkannt werden\" width=\"560\" height=\"311\" title=\"\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Entfernen Sie den Kondensator und messen Sie den Wert der Diode erneut, der Wert war immer noch 0.&nbsp;<\/span><span style=\"font-family: Calibri; font-size: 12pt;\">Das bedeutet, dass das Problem nicht vom C4005 ausgeht.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer-h5exy.png\" alt=\"\" width=\"560\" height=\"239\" title=\"\"><span style=\"font-family: Calibri; font-size: 12pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri; font-size: 12pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri; font-size: 12pt;\"> Und dieser Kondensator war mit dem USB-IC verbunden, nach der \u00dcberpr\u00fcfung der Bitmap, das Problem ist von der USB-IC U4001.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Entfernen Sie den USB-IC und \u00fcberpr\u00fcfen Sie den Diodenwert auf dem entsprechenden Pad E6, der Kurzschluss ist weg. So k\u00f6nnen wir einen anderen USB-IC ersetzen und wieder getestet, ohne Boot-Schleife und es kann auch mit dem Computer verbunden werden, Problem behoben.<\/span><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/p>\n<p><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-boot-loop-and-can-not-be-recognized-by-computer-mrzkv.png\" alt=\"\" title=\"\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><b><span style=\"font-family: Calibri; font-size: 14pt;\">Zusammenfassung<\/span><\/b><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri;\"><span style=\"font-size: 16px;\">Bei Handys mit mehr als einem Problem k\u00f6nnen wir uns zun\u00e4chst auf die \u00dcberpr\u00fcfung eines Problems konzentrieren. Zum Beispiel hier, f\u00fcr das Problem k\u00f6nnen wir auf die \u00dcberpr\u00fcfung der USB-Verbindung Problem zuerst konzentrieren, durch die Messung der USB relevanten Arbeitsbedingungen und die \u00dcberpr\u00fcfung der Diode Wert auf der PCB-Pads, schlie\u00dflich finden wir die Ursache, die die keine Verbindung Problem verursacht.<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"line-height: 20.0000pt; mso-line-height-rule: exactly;\"><span style=\"font-family: Calibri;\"><span style=\"font-size: 16px;\"><\/span><\/span><\/p>\n<p class=\"MsoNormal\"><strong><a href=\"https:\/\/academy.rewa.tech\/courses\/iPhone-7-Motherboard-Repair-Course\"><u><span class=\"15\" style=\"font-family: Calibri; color: #0000ff; letter-spacing: 0pt; font-size: 12pt; background: #bfe6ff;\">iPhone 7 Hauptplatine Reparatur Kurs<\/span><\/u><\/a><\/strong><span style=\"mso-spacerun: 'yes'; font-family: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\"><\/p>\n<p><\/span><\/p><\/p>","protected":false},"excerpt":{"rendered":"<p>Malfunction Phenomenon iPhone 7 Boot Loop and No Connection With Computer Trouble Shooting Because the phone can&rsquo;t be connected to the computer, we can conclude that the problem might be from the USB circuit. Take out the motherboard and check if there is any corrosion or deformation, the motherboard looks good. Continue to measure the [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":12835,"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-12834","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iphone-repair-cases"],"_links":{"self":[{"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/posts\/12834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/comments?post=12834"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/posts\/12834\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/media\/12835"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/media?parent=12834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/categories?post=12834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/tags?post=12834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}