{"id":2161,"date":"2020-03-03T00:00:00","date_gmt":"2020-03-03T00:00:00","guid":{"rendered":"http:\/\/192.168.2.19:8666\/?p=1"},"modified":"2024-09-20T17:59:08","modified_gmt":"2024-09-20T09:59:08","slug":"iphone-x-bottom-speaker-not-working-repair","status":"publish","type":"post","link":"https:\/\/rewa.tech\/es\/iphone-x-bottom-speaker-not-working-repair\/","title":{"rendered":"iPhone X Bottom Speaker Not Working Repair"},"content":{"rendered":"<p style=\"line-height: 1.7;\">Pseudo soldering of components may result in different iPhone issues. And causes for pseudo soldering can be different. For example, defective soldering techniques, improper operations in the repairing process or bad habits of users, etc.. Our blog today will walk you through the troubleshooting steps of an iPhone X no bottom speaker sound repair case. Hope we can enlighten you in your daily repair work.<\/p>\n<p style=\"line-height: 1.7;\"><strong>Herramientas y piezas necesarias<\/strong><\/p>\n<ul>\n<li style=\"line-height: 1.7;\"><a style=\"color: #0000ff;\" href=\"https:\/\/shop.rewa.tech\/detail\/communication-maintenance-power-supply-oem-new.html\" target=\"_blank\" rel=\"noopener\">Comunicaci\u00f3n Mantenimiento Fuente de alimentaci\u00f3n<\/a><\/li>\n<li style=\"line-height: 1.7;\"><span style=\"color: #0000ff;\">Digital Soldering Iron <\/span><\/li>\n<li style=\"line-height: 1.7;\"><a style=\"color: #0000ff;\" href=\"https:\/\/shop.rewa.tech\/detail\/220v-hot-air-gun-rework-station-990ad-oem-new.html\" target=\"_blank\" rel=\"noopener\">Rework Station<\/a> <a style=\"color: #0000ff;\" href=\"https:\/\/shop.rewa.tech\/detail\/hot-air-gun-rework-station-861dw-type-2-oem-new.html\" target=\"_blank\" rel=\"noopener\">Estaci\u00f3n digital de retrabajo por aire caliente - 861DW<\/a><\/li>\n<li style=\"line-height: 1.7;\"><a style=\"color: #0000ff;\" href=\"https:\/\/shop.rewa.tech\/detail\/integrated-mobile-phone-repair-platform-gold-oem-new.html\" target=\"_blank\" rel=\"noopener\">Plataforma integrada de reparaci\u00f3n de tel\u00e9fonos m\u00f3viles<\/a><\/li>\n<li style=\"line-height: 1.7;\"><a style=\"color: #0000ff;\" href=\"https:\/\/shop.rewa.tech\/detail\/motherboard-middle-layer-test-fixture-for-apple-iphone-xs-xs-max-pcb-repair-oem-new.html\" target=\"_blank\" rel=\"noopener\">Comprobador de placas l\u00f3gicas para Apple iPhone X<\/a><\/li>\n<li style=\"line-height: 1.7;\"><a style=\"color: #0000ff;\" href=\"https:\/\/shop.rewa.tech\/detail\/digital-multimeter-ut58a-oem-new.html\" target=\"_blank\" rel=\"noopener\">Mult\u00edmetro digital<\/a><\/li>\n<li style=\"line-height: 1.7;\"><a style=\"color: #0000ff;\" href=\"https:\/\/shop.rewa.tech\/detail\/explosion-proof-motherboard-repair-pcb-holder-fixture-k20-oem-new.html\" target=\"_blank\" rel=\"noopener\">Soporte de PCB multifuncional para iPhone X<\/a><\/li>\n<\/ul>\n<h2 style=\"line-height: 1.7;\"><strong>Problema<\/strong><\/h2>\n<p style=\"line-height: 1.7;\">The phone features a broken screen and a deformed housing. Get a new display assembly installed and test, the phone turns on normally. There is no output sound\u00a0when selecting a ringtone. Yet the sound works fine with headphones in.<br \/>\n<img decoding=\"async\" src=\"https:\/\/s.rewa.tech\/image\/8bf8c7fe-8000-459d-bc6d-5b8fb4938774-iphone-x-bottom-speaker-not-working-repair-11.jpg\" alt=\"The phone features a broken screen and a deformed housing. Get a new display assembly installed and test, the phone turns on normally. There is no output sound when selecting a ringtone. Yet the sound works fine with headphones in.\" title=\"\"><\/p>\n<p style=\"line-height: 1.7;\">The preliminary judgment is that the audio circuit is in normal condition. It\u2019s just that the bottom speaker is not working.<\/p>\n<h2 style=\"line-height: 1.7;\"><strong>Diagn\u00f3stico<\/strong><\/h2>\n<h3 style=\"line-height: 1.7;\"><strong>Primer paso<\/strong><\/h3>\n<p style=\"line-height: 1.7;\">Run diode mode measurement of\u00a0the DOCK connector. The measured value is normal. Which indicates that the bottom speaker is in normal condition.<br \/>\n<img decoding=\"async\" src=\"https:\/\/s.rewa.tech\/image\/1e2b90ac-53d1-4646-ace3-22a24e04ce93-iphone-x-bottom-speaker-not-working-repair-2.jpg\" alt=\"Run diode mode measurement of the DOCK connector. The measured value is normal. Which indicates that the bottom speaker is in normal condition.\" title=\"\"><\/p>\n<h3 style=\"line-height: 1.7;\"><strong>Paso 2<\/strong><\/h3>\n<p style=\"line-height: 1.7;\">Continue to measure the motherboard connector. Judging by the measured value, relevant circuits of one Pin on the connector has open-circuited.<\/p>\n<h3 style=\"line-height: 1.7;\"><strong>Paso 3<\/strong><\/h3>\n<p style=\"line-height: 1.7;\">Remove the upper layer with Hot Air Gun. We can see that there are multiple missing pins\u00a0on the upper layer.<br \/>\n<img decoding=\"async\" src=\"https:\/\/s.rewa.tech\/image\/04082222-4c3c-47a9-9265-dfca28f03aab-iphone-x-bottom-speaker-not-working-repair-3.jpg\" alt=\"Remove the upper layer with Hot Air Gun. We can see that there are multiple missing pins on the upper layer.\" title=\"\"><\/p>\n<p style=\"line-height: 1.7;\">Judging by this, the phone has been dropped, which\u00a0also\u00a0resulted in pseudo soldering of the motherboard, accompanied with the detachment of pins.<\/p>\n<h3 style=\"line-height: 1.7;\"><strong>Paso 4<\/strong><\/h3>\n<p style=\"line-height: 1.7;\">Clean the third space PCB. Run diode mode measurement of Pin S162\u00a0and Pin S163. The measured value is normal.<br \/>\n<img decoding=\"async\" src=\"https:\/\/s.rewa.tech\/image\/988065f6-d9f9-4d9a-a59e-ef5cc16ed5ee-iphone-x-bottom-speaker-not-working-repair-4.jpg\" alt=\"Clean the third space PCB. Run diode mode measurement of Pin S162 and Pin S163. The measured value is normal.\" title=\"\"><\/p>\n<p style=\"line-height: 1.7;\">Judging by this, the open-circuited condition is caused by pseudo soldering of\u00a0the third space PCB.<\/p>\n<h3 style=\"line-height: 1.7;\"><strong>Paso 5<\/strong><\/h3>\n<p style=\"line-height: 1.7;\">Get the motherboard installed to the testing kit\u00a0and test. Current reading on the ammeter is normal. Go to Settings&gt;Sounds&amp;Haptics&gt;Ringtone. Select a default ringtone. Normal output sound this time.We can confirm now that\u00a0the fault is caused by pseudo soldering of the third space PCB. We can fix the problem by soldering the two layers together.<\/p>\n<h2 style=\"line-height: 1.7;\"><strong>Soluci\u00f3n de problemas<\/strong><\/h2>\n<p style=\"line-height: 1.7;\">Since most of those missing pads are ground pads, we can just ignore them. Still, we need to treat Pin S166 with jumper wiring\u00a0before soldering. Once done, get the lower layer reballed and re-solder the motherboard.<\/p>\n<p style=\"line-height: 1.7;\"><img decoding=\"async\" src=\"https:\/\/s.rewa.tech\/image\/d0e9938a-a69e-4a4a-b023-146f700184bb-iphone-x-bottom-speaker-not-working-repair-6-1.jpg\" alt=\"Since most of those missing pads are ground pads, we can just ignore them. Still, we need to treat Pin S166 with jumper wiring before soldering. Once done, get the lower layer reballed and re-solder the motherboard.\" title=\"\"><\/p>\n<p style=\"line-height: 1.7;\">Assemble the phone and test. Go to Settings&gt;Sounds&amp;Haptics&gt;Ringtone. Select a default ringtone, normal output sound this time.<\/p>\n<p style=\"line-height: 1.7;\">Tambi\u00e9n puede visitar\u00a0<a style=\"color: #0000ff;\" href=\"https:\/\/www.youtube.com\/channel\/UC3ByF8DcZ3yxUs7VP1NOuyA\" target=\"_blank\" rel=\"noopener\">Canal YouTube de REWA<\/a>\u00a0to\u00a0check our video and learn how to complete\u00a0iPhone X Bottom Speaker Not Working Repair.<\/p>\n<p><iframe class=\"ql-video\" src=\"https:\/\/www.youtube.com\/embed\/42GrAJtQWr4?showinfo=0\" width=\"795\" height=\"397.5\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-blot-formatter-unclickable-bound=\"true\"><\/iframe><\/p>\n<p style=\"line-height: 1.7;\">","protected":false},"excerpt":{"rendered":"<p>Pseudo soldering of components may result in different iPhone issues. And causes for pseudo soldering can be different. For example, defective soldering techniques, improper operations in the repairing process or bad habits of users, etc.. Our blog today will walk you through the troubleshooting steps of an iPhone X no bottom speaker sound repair case. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2712,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/s.rewa.tech\/image\/33c75a1d-7b9c-4441-b2ec-b68fe2e5eb4c-iphone-x-bottom-speaker-not-working-repair-banner.jpg","fifu_image_alt":"","footnotes":""},"categories":[5,158],"tags":[508,507],"class_list":["post-2161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","category-iphone-guide","tag-bottom-speaker-of-iphone-x","tag-iphone-x-bottom-speaker"],"_links":{"self":[{"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/posts\/2161","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/comments?post=2161"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/posts\/2161\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/media\/2712"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/media?parent=2161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/categories?post=2161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/es\/wp-json\/wp\/v2\/tags?post=2161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}