{"id":12856,"date":"2021-06-18T01:27:00","date_gmt":"2021-06-17T17:27:00","guid":{"rendered":"https:\/\/rewa.tech\/iphone-7-plus-ringtone-not-working-with-record-function-abnormal\/"},"modified":"2024-05-10T15:29:12","modified_gmt":"2024-05-10T07:29:12","slug":"iphone-7-plus-ringtone-not-working-with-record-function-abnormal","status":"publish","type":"post","link":"https:\/\/rewa.tech\/es\/iphone-7-plus-ringtone-not-working-with-record-function-abnormal\/","title":{"rendered":"iPhone 7 Plus Ringtone Not Working with Record Function Abnormal"},"content":{"rendered":"<p class=\"MsoNormal\"><b><span style=\"font-family: Calibri; font-size: 14pt;\">Fen\u00f3meno del mal funcionamiento<\/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 Plus Ringtone Not Working<\/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;\">, and the voice recording function also abnormal.&nbsp;<\/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><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\"><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;\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iPhone_7_Plus_Ringtone_Not_Working.png\" alt=\"iPhone 7 Plus Ringtone Not Working\" width=\"371\" height=\"337\" title=\"\">&nbsp;&nbsp;<\/span><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-plus-ringtone-not-working-with-record-function-abnormal-ysndx.png\" alt=\"\" width=\"309\" height=\"336\" 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\"><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\"><b><span style=\"font-family: Calibri; font-size: 14pt;\">Soluci\u00f3n de problemas<\/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: Calibri; mso-fareast-font-family: \u5b8b\u4f53; mso-bidi-font-family: 'Times New Roman'; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Disassemble the phone and checked the audio circuit, the motherboard looked good. Continue to measure the power supply for the audio IC U3101, there are 4 sets of power for the audio IC. We can measure the below voltages:<\/span><\/p>\n<ul>\n<li 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;\">Measure PP1V8_VA on C3209<\/span><\/li>\n<li 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;\">Measure PP1V8_SDRAM on C3211<\/span><\/li>\n<li 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;\">Measure PP1V2_VD_FILT on C3217<\/span><\/li>\n<li 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;\">Measure PP_VDD_BOOST on C3212<\/span><\/li>\n<\/ul>\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;\"> After measurement, all of the values are normal.<\/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-plus-ringtone-not-working-with-record-function-abnormal-8pd3f.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;\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-plus-ringtone-not-working-with-record-function-abnormal-ddjpm.png\" alt=\"\" width=\"338\" height=\"160\" title=\"\">&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-plus-ringtone-not-working-with-record-function-abnormal-jgmtz.png\" alt=\"\" width=\"316\" height=\"162\" 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;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-plus-ringtone-not-working-with-record-function-abnormal-cwscp.png\" alt=\"\" width=\"330\" height=\"128\" title=\"\">&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-plus-ringtone-not-working-with-record-function-abnormal-obms0.png\" alt=\"\" width=\"342\" height=\"126\" 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;\">Judging by this, the power supply for the audio IC was normal. <\/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;\">Then remove the audio IC and checked the pads, all pads seemed normal, replace another audio IC and test, audio function back to normal, the problem was resolved.<\/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;\"><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;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone-7-plus-ringtone-not-working-with-record-function-abnormal-wymlo.png\" alt=\"iPhone 7 Plus Ringtone Not Working with Record Function Abnormal\" width=\"255\" height=\"332\" 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\"><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;\">Tips, the common issue for iPhone 7<\/span><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><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;\">7<\/span><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;\">P<\/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;\">&nbsp;audio function is from the connection between the pads under audio IC U3101 and the small components around it, especially the pad C12 to R1103, which nearby the motherboard gap. <\/span><\/p>\n<p class=\"MsoNormal\"><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;\">We can repair it by jumping a wire between the pad and the component.<\/span><\/p>\n<p class=\"MsoNormal\"><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\"><a href=\"https:\/\/academy.rewa.tech\/courses\/iPhone-7-Motherboard-Repair-Course\"><b><u><span class=\"15\" style=\"font-family: \u5b8b\u4f53; color: #0000ff; font-size: 18pt;\"><span style=\"font-family: Calibri;\">Curso de reparaci\u00f3n de la placa base del iPhone 7<\/span><\/span><\/u><\/b><\/a><b><span style=\"font-family: Calibri; color: #0000ff; font-size: 18pt;\"><\/p>\n<p><\/span><\/b><\/p>","protected":false},"excerpt":{"rendered":"<p>Malfunction Phenomenon iPhone 7 Plus Ringtone Not Working, and the voice recording function also abnormal.&nbsp; &nbsp;&nbsp; Trouble Shooting Disassemble the phone and checked the audio circuit, the motherboard looked good. Continue to measure the power supply for the audio IC U3101, there are 4 sets of power for the audio IC. We can measure the [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":12857,"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-12856","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iphone-repair-cases"],"_links":{"self":[{"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/posts\/12856","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=12856"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/posts\/12856\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/media\/12857"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/media?parent=12856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/categories?post=12856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/tags?post=12856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}