{"id":12952,"date":"2021-10-19T12:00:00","date_gmt":"2021-10-19T04:00:00","guid":{"rendered":"https:\/\/rewa.tech\/iphone-xr-half-dim-and-half-bright\/"},"modified":"2024-05-10T15:25:06","modified_gmt":"2024-05-10T07:25:06","slug":"iphone-xr-halb-dimmen-und-halb-hell","status":"publish","type":"post","link":"https:\/\/rewa.tech\/de\/iphone-xr-half-dim-and-half-bright\/","title":{"rendered":"iPhone XR Hintergrundbeleuchtung Problem - Halb dimmen und halb hell"},"content":{"rendered":"<p class=\"MsoNormal\"><b><span lang=\"EN-US\">St\u00f6rungsph\u00e4nomen<o_p><\/o_p><\/span><\/b><\/p>\n<p class=\"MsoNormal\">\n<p class=\"MsoNormal\"><span lang=\"EN-US\">iPhone XR Halb gedimmt und halb hell.<o_p><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\"><b><span lang=\"EN-US\" style=\"mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 'Times New Roman';\"><o_p>&nbsp;<\/o_p><\/span><\/b><\/p>\n<p class=\"MsoNormal\"><b><span lang=\"EN-US\" style=\"mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 'Times New Roman';\">St\u00f6rungsbeseitigung<o_p><\/o_p><\/span><\/b><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\">Nachdem wir einen anderen Bildschirm ausgetauscht hatten, war die Fehlfunktion immer noch dieselbe. Dann \u00f6ffneten wir die Schaltpl\u00e4ne, um die Schaltung der Hintergrundbeleuchtung zu \u00fcberpr\u00fcfen. Wir konnten sehen, die Hintergrundbeleuchtung Schaltung war \u00e4hnlich wie die iPhone P-Serie Modelle wie 6 Plus oder 7 Plus. Es gab zwei S\u00e4tze von Hintergrundbeleuchtung Chipsets, U5650 und U5660, wenn eine der Schaltungen war gebrochen, die H\u00e4lfte der Hintergrundbeleuchtung LED wird nicht funktionieren.<o_p><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\">Dann k\u00f6nnte der Bildschirm halb dunkel und halb hell sein.<o_p><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\"><o_p>&nbsp;<img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/111.jpg\" width=\"885\" height=\"381\" alt=\"\" title=\"\"><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\"><o_p>&nbsp;<img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iPhone_XR_backlight_issue-2.jpg\" width=\"940\" height=\"549\" alt=\"\" title=\"\"><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left; text-indent: 31.5pt; mso-char-indent-count: 3.0;\"><span lang=\"EN-US\"><o_p>&nbsp;<\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left; text-indent: 31.5pt; mso-char-indent-count: 3.0;\"><span lang=\"EN-US\"><o_p>&nbsp;<img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iPhone_XR_backlight_issue-3.jpg\" width=\"725\" height=\"562\" alt=\"\" title=\"\"><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\"><o_p>&nbsp;<\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\">Wir haben den Bildschirm zusammengebaut und das Telefon eingeschaltet und die Spannung an C5652 und C5662 \u00fcberpr\u00fcft. Der normale Wert sollte \u00fcber 10V liegen, wenn der Wert nur um die 4V liegt, bedeutet dies, dass der entsprechende Schaltkreis besch\u00e4digt ist.<o_p><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\"><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\"><o_p>&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iPhone_XR_backlight_issue-4.jpg\" width=\"725\" height=\"562\" alt=\"\" title=\"\"><\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\"><o_p>&nbsp;<\/o_p><\/span><\/p>\n<p class=\"MsoNormal\" align=\"left\" style=\"text-align: left;\"><span lang=\"EN-US\">Nach der \u00dcberpr\u00fcfung stellten wir fest, dass die Spannung an C5652 abnormal war, dann versuchten wir, den Hintergrundbeleuchtungs-IC U5660 zu ersetzen und testeten erneut, die Funktion der Hintergrundbeleuchtung war wieder normal.<o_p><\/o_p><\/span><\/p>\n<p>Gehe zu <a href=\"https:\/\/academy.rewa.tech\/bundles\/complete-course-package\">iPhone Motherboard-Reparaturkurs<\/a> um mehr zu erfahren.<\/p>","protected":false},"excerpt":{"rendered":"<p>Malfunction Phenomenon iPhone XR Half Dim and Half Bright. &nbsp; Trouble Shooting After we replaced another screen, the malfunction was still the same. Then we opened the schematics to check the backlight circuit. We could see the backlight circuit was similar to the iPhone P series models like 6 Plus or 7 Plus. There were [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":12953,"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-12952","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\/12952","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=12952"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/posts\/12952\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/media\/12953"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/media?parent=12952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/categories?post=12952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/de\/wp-json\/wp\/v2\/tags?post=12952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}