{"id":604,"date":"2023-03-13T11:42:52","date_gmt":"2023-03-13T11:42:52","guid":{"rendered":"https:\/\/blog.dioda.ro\/?p=604"},"modified":"2023-03-13T11:42:52","modified_gmt":"2023-03-13T11:42:52","slug":"kit-de-asamblare-pt022-conectare-intarziata-difuzoarelor","status":"publish","type":"post","link":"https:\/\/www.dioda.ro\/blog\/electronica\/scheme-electronice\/kit-de-asamblare-pt022-conectare-intarziata-difuzoarelor\/","title":{"rendered":"KIT de asamblare PT022 conectare \u00eent\u00e2rziata difuzoarelor"},"content":{"rendered":"<blockquote><p><a href=\"https:\/\/stavebnice.tipa.eu\/select.php?link=PT022\"><img decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.dioda.ro\/blog\/wp-content\/uploads\/2023\/03\/PT022_pohled.jpg\" alt=\"\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>A\u021bi achizi\u021bionat un kit care permite comutarea \u00eent\u00e2rziat\u0103 a dou\u0103 difuzoare sau boxe. De asemenea, este proiectat \u021bin\u00e2nd cont de posibila necesitate de a deconecta imediat difuzoarele atunci c\u00e2nd amplificatorul este oprit. Sarcina maxim\u0103 a releelor \u200b\u200bde comutare este de 250V \u0219i 12A. Prin urmare, conexiunea poate fi utilizat\u0103 pentru amplificatoare cu o putere de p\u00e2n\u0103 la 400VA pe canal. (Dac\u0103 este necesar, pute\u021bi conecta un releu extern mai durabil).<\/p><\/blockquote>\n<p><a href=\"https:\/\/stavebnice.tipa.eu\/select.php?link=PT022\"><img decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.dioda.ro\/blog\/wp-content\/uploads\/2023\/03\/PT022_schema.jpg\" alt=\"\" \/><\/a><\/p>\n<blockquote><p>Descrierea conexiunii Stabilizatorul 78L12 limiteaz\u0103 tensiunea maxim\u0103 pe \u00eenf\u0103\u0219urarea releului la 12V, astfel \u00eenc\u00e2t s\u0103 nu se ard\u0103 \u00een cazul unei surse de alimentare mai mari. C3 \u0219i C4 \u00eempiedic\u0103 oscila\u021bia stabilizatorului. Am stabilit lungimea \u00eent\u00e2rzierii de comutare cu trimmerul TR1. Imediat dup\u0103 aplicarea tensiunii de alimentare a dispozitivului, C1 \u0219i C2 sunt \u00eenc\u0103rcate prin trimmerul TR1.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stavebnice.tipa.eu\/select.php?link=PT022\"><img decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.dioda.ro\/blog\/wp-content\/uploads\/2023\/03\/PT022_dps.jpg\" alt=\"\" \/><\/a><\/p>\n<p>Cu c\u00e2t rezisten\u021ba sa stabilit\u0103 este mai mic\u0103 (cu c\u00e2t glisorul este rotit mai mult la st\u00e2nga), cu at\u00e2t va avea loc \u00eenc\u0103rcarea mai rapid\u0103. Dup\u0103 atingerea nivelului de tensiune dorit pe C1+C2, T1 va fi comutat \u0219i astfel circuitul \u00eenf\u0103\u0219ur\u0103rii releului va fi \u00eenchis, ceea ce va determina pornirea acestora.<\/p>\n<p><a href=\"https:\/\/stavebnice.tipa.eu\/select.php?link=PT022\"><img decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.dioda.ro\/blog\/wp-content\/uploads\/2023\/03\/PT022_souc.jpg\" alt=\"\" \/><\/a><\/p>\n<p>Construc\u021bie, conexiune difuzorAplica\u021bi un strat gros de tabl\u0103 pe c\u0103ile cositorite din partea lateral\u0103 a conexiunii pentru a preveni arderea lor la ie\u0219irile mai mari ale amplificatorului.<\/p>\n<p><a href=\"https:\/\/stavebnice.tipa.eu\/select.php?link=PT022\"><img decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.dioda.ro\/blog\/wp-content\/uploads\/2023\/03\/PT022_zespod.jpg\" alt=\"\" \/><\/a><\/p>\n<p>A\u0219eza\u021bi stabilizatorul 78L12 deasupra condensatoarelor C3 \u0219i C4, astfel \u00eenc\u00e2t s\u0103 aib\u0103 mai mult spa\u021biu pentru schimbul de c\u0103ldur\u0103 cu mediul \u00eenconjur\u0103tor. Lipi\u021bi C3 \u0219i C4 vertical. Dac\u0103 dori\u021bi s\u0103 utiliza\u021bi deconectarea imediat\u0103 a difuzoarelor c\u00e2nd amplificatorul este oprit, utiliza\u021bi un \u00eentrerup\u0103tor dublu de re\u021bea pentru aceasta. Utiliza\u021bi un contact de deconectare pentru a porni amplificatorul, cel\u0103lalt pentru a \u00eenchide circuitul \u00eenf\u0103\u0219ur\u0103rii releului, ceea ce se \u00eent\u00e2mpl\u0103 atunci c\u00e2nd circuitul deschis S1 este conectat. At\u00e2ta timp c\u00e2t nu este conectat conductiv la PCB S1, releul nu se va \u00eenchide niciodat\u0103. \u00cen cazul \u00een care nu utiliza\u021bi deconectarea imediat\u0103, scurtcircuita\u021bi pinii S1 cu un jumper. Conexiune difuzor: o linie dubl\u0103 duce la difuzor sau sistem. T\u0103ia\u021bi unul dintre fire, decupa\u021bi ambele capete nou create \u0219i conecta\u021bi-le la bornele RA+RA sau RB+RBDefalcare componenteR1 &#8230; 2k7 TR212TR1 &#8230; 68k TP008C1, C2 &#8230; 220u\/25VC3, C4 &#8230; 2n2D1 &#8230; 1N4148T1 &#8230; BD681K1, K2&#8230; HF3FF 12V2x terminale . AK500\/3IC1 \u2026 78L12PCB \u2026 PT022<\/p><\/blockquote>\n<p>Source: <em><a href=\"https:\/\/stavebnice.tipa.eu\/select.php?link=PT022\">Comutare \u00eent\u00e2rziat\u0103 a difuzoarelor<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; A\u021bi achizi\u021bionat un kit care permite comutarea \u00eent\u00e2rziat\u0103 a dou\u0103 difuzoare sau boxe. De asemenea, este proiectat \u021bin\u00e2nd cont de posibila necesitate de a deconecta imediat difuzoarele atunci c\u00e2nd amplificatorul este oprit. Sarcina maxim\u0103 a releelor \u200b\u200bde comutare este de 250V \u0219i 12A. Prin urmare, conexiunea poate fi utilizat\u0103 pentru amplificatoare cu o &#8230; <a title=\"KIT de asamblare PT022 conectare \u00eent\u00e2rziata difuzoarelor\" class=\"read-more\" href=\"https:\/\/www.dioda.ro\/blog\/electronica\/scheme-electronice\/kit-de-asamblare-pt022-conectare-intarziata-difuzoarelor\/\" aria-label=\"Read more about KIT de asamblare PT022 conectare \u00eent\u00e2rziata difuzoarelor\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[33],"tags":[],"class_list":["post-604","post","type-post","status-publish","format-standard","hentry","category-scheme-electronice"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8WdYv-9K","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dioda.ro\/blog\/wp-json\/wp\/v2\/posts\/604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dioda.ro\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dioda.ro\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dioda.ro\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dioda.ro\/blog\/wp-json\/wp\/v2\/comments?post=604"}],"version-history":[{"count":0,"href":"https:\/\/www.dioda.ro\/blog\/wp-json\/wp\/v2\/posts\/604\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.dioda.ro\/blog\/wp-json\/wp\/v2\/media?parent=604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dioda.ro\/blog\/wp-json\/wp\/v2\/categories?post=604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dioda.ro\/blog\/wp-json\/wp\/v2\/tags?post=604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}