{"id":17940,"date":"2026-01-23T05:45:32","date_gmt":"2026-01-23T05:45:32","guid":{"rendered":"https:\/\/cob-leddisplay.com\/?p=17940"},"modified":"2026-01-23T07:28:00","modified_gmt":"2026-01-23T07:28:00","slug":"led-display-screen-troubleshooting-and-repair","status":"publish","type":"post","link":"https:\/\/cob-leddisplay.com\/es\/led-display-screen-troubleshooting-and-repair\/","title":{"rendered":"Soluci\u00f3n de problemas y reparaci\u00f3n de pantallas LED"},"content":{"rendered":"<h6><span style=\"color: #008080;\"><em>1) La pantalla est\u00e1 completamente en blanco o no funciona:<\/em><\/span><\/h6>\n<p><em>\u2460Problema de alimentaci\u00f3n: compruebe si la fuente de alimentaci\u00f3n principal, el armario de distribuci\u00f3n y el disyuntor est\u00e1n encendidos, compruebe si la placa de la unidad o la tarjeta de control est\u00e1n recibiendo alimentaci\u00f3n de 5 V.<\/em><\/p>\n<p><em>\u2461El tipo de problema est\u00e1 relacionado con el sistema de control, verifique si la computadora est\u00e1 funcionando correctamente, verifique si la tarjeta de env\u00edo y la tarjeta de recepci\u00f3n est\u00e1n encendidas.<\/em><\/p>\n<p><em>\u2462Problema de conexi\u00f3n de se\u00f1al: compruebe si el cable de red entre la tarjeta emisora y la pantalla est\u00e1 desconectado y confirme que la configuraci\u00f3n de la tarjeta gr\u00e1fica del ordenador est\u00e1 en modo duplicado.<\/em><\/p>\n<p><em>\u2463 Problema de conexi\u00f3n de se\u00f1al: compruebe si el cable de red entre la tarjeta emisora y la pantalla est\u00e1 desconectado y confirme que la configuraci\u00f3n de la tarjeta gr\u00e1fica del ordenador est\u00e9 configurada en modo duplicado.<\/em><\/p>\n<h6><span style=\"color: #008080;\"><em>2) Toda la pantalla o una gran \u00e1rea de la pantalla muestra anomal\u00edas:<\/em><\/span><\/h6>\n<p><em>\u2460Solucione los problemas de transmisi\u00f3n de se\u00f1al para comprobar si el cable de se\u00f1al HDMI o DVI est\u00e1 conectado de forma suelta, compruebe la tarjeta gr\u00e1fica o la fuente de v\u00eddeo, compruebe el cable de red.<\/em><\/p>\n<p><em>\u2461El sistema de control est\u00e1 experimentando problemas debido a un programa de tarjeta receptora da\u00f1ado, lo que requiere que se vuelva a enviar el programa de tarjeta receptora; la configuraci\u00f3n del software, como la resoluci\u00f3n y la frecuencia de actualizaci\u00f3n, no coincide.<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17951\" src=\"http:\/\/cob-leddisplay.com\/wp-content\/uploads\/2026\/01\/Outdoor-led-screen.jpg\" alt=\"\" width=\"670\" height=\"893\" srcset=\"https:\/\/cob-leddisplay.com\/wp-content\/uploads\/2026\/01\/Outdoor-led-screen.jpg 670w, https:\/\/cob-leddisplay.com\/wp-content\/uploads\/2026\/01\/Outdoor-led-screen-9x12.jpg 9w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/p>\n<h6><em><span style=\"color: #008080;\">3) Fallo parcial en el encendido de la luz en el gabinete o m\u00f3dulo:<\/span><\/em><\/h6>\n<p><em>\u2460En caso de fallos localizados en el suministro el\u00e9ctrico, compruebe si hay cables sueltos o quemados en las l\u00edneas y terminales de alimentaci\u00f3n de la zona correspondiente; el indicador luminoso de alimentaci\u00f3n es una herramienta de diagn\u00f3stico importante.<\/em><\/p>\n<p><em>\u2461Interrupci\u00f3n del enlace de se\u00f1al para comprobar si el cableado en esta \u00e1rea tiene mal contacto, comprobar la tarjeta receptora en esta \u00e1rea.<\/em><\/p>\n<p><em>\u2462Si despu\u00e9s de solucionar los problemas de hardware el problema persiste, puede deberse a da\u00f1os en el m\u00f3dulo, la tarjeta receptora, la fuente de alimentaci\u00f3n u otros componentes de hardware, que requerir\u00e1n reemplazo.<\/em><\/p>\n<h6><span style=\"color: #008080;\"><em>4) Problemas de visualizaci\u00f3n local: p\u00edxeles muertos, distorsi\u00f3n de la pantalla o defectos de color.<\/em><\/span><\/h6>\n<p><em>\u2460Si un solo LED no se enciende, generalmente se debe a que el propio LED est\u00e1 da\u00f1ado; si fallan varios LED, puede estar relacionado con da\u00f1os por descarga electrost\u00e1tica o cortocircuitos en el cableado.<\/em><\/p>\n<p><em>\u2461El parpadeo de la pantalla, la distorsi\u00f3n del color o los patrones similares a orugas suelen ser causados por interferencias de se\u00f1al o chips de controlador defectuosos o por el cable de se\u00f1al problem\u00e1tico. Los problemas profesionales requieren la atenci\u00f3n de un t\u00e9cnico.<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17954\" src=\"http:\/\/cob-leddisplay.com\/wp-content\/uploads\/2026\/01\/outdoor-led-.jpg\" alt=\"\" width=\"670\" height=\"893\" srcset=\"https:\/\/cob-leddisplay.com\/wp-content\/uploads\/2026\/01\/outdoor-led-.jpg 670w, https:\/\/cob-leddisplay.com\/wp-content\/uploads\/2026\/01\/outdoor-led--9x12.jpg 9w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/p>\n<h4><span style=\"color: #008080;\"><em>5) Procedimientos b\u00e1sicos de reparaci\u00f3n:<\/em><\/span><\/h4>\n<p><em>\u2460Los procedimientos de apagado, excepto la comprobaci\u00f3n del indicador luminoso de encendido y las conexiones de los cables, cualquier operaci\u00f3n que implique desconectar cables o sustituir componentes debe realizarse \u00fanicamente despu\u00e9s de que se haya apagado la alimentaci\u00f3n.<\/em><\/p>\n<p><em>\u2461Primero, realice una inspecci\u00f3n visual y una localizaci\u00f3n, observe el \u00e1rea defectuosa y haga una evaluaci\u00f3n preliminar del alcance del problema, ya sea que se trate de toda la pantalla, un gabinete espec\u00edfico, una placa de unidad en particular o un m\u00f3dulo espec\u00edfico.<\/em><\/p>\n<p><em>\u2462 Soluci\u00f3n de problemas paso a paso para verificar en el siguiente orden las l\u00edneas de se\u00f1al de la fuente de alimentaci\u00f3n y el hardware de control.<\/em><\/p>\n<p><em>\u2463Reemplazar un componente: desconecte la alimentaci\u00f3n de toda la pantalla. Desconecte los cables de alimentaci\u00f3n y de se\u00f1al del componente defectuoso. Retire los tornillos de fijaci\u00f3n. Retire el componente defectuoso, instale el nuevo componente y vuelva a conectar los cables. Encienda y pruebe.<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17953\" src=\"http:\/\/cob-leddisplay.com\/wp-content\/uploads\/2026\/01\/outdoor-advertising-led-screen.jpg\" alt=\"\" width=\"670\" height=\"893\" srcset=\"https:\/\/cob-leddisplay.com\/wp-content\/uploads\/2026\/01\/outdoor-advertising-led-screen.jpg 670w, https:\/\/cob-leddisplay.com\/wp-content\/uploads\/2026\/01\/outdoor-advertising-led-screen-9x12.jpg 9w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>1\uff09The entire screen is blank or not working: \u2460Power supply issue check if the main power supply, distribution cabinet, and circuit breaker are switched on, check if the unit board or control card is receiving 5V power. \u2461The type of problem relates to the control system, check if the computer is working properly, check if [&hellip;]<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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