{"id":1781,"date":"2014-12-17T11:24:40","date_gmt":"2014-12-17T09:24:40","guid":{"rendered":"https:\/\/zz-indigo.mavipet.sk\/?p=1781"},"modified":"2019-10-29T18:04:49","modified_gmt":"2019-10-29T18:04:49","slug":"vymena-starych-kondenzatorov","status":"publish","type":"post","link":"https:\/\/zz-indigo.mavipet.sk\/?p=1781","title":{"rendered":"V\u00fdmena star\u00fdch kondenz\u00e1torov."},"content":{"rendered":"<p>Ak sa zaober\u00e1te star\u0161\u00edmi po\u010d\u00edta\u010dmi sk\u00f4r \u010di neskor sa dostanete do situ\u00e1cie \u017ee sa zariadenie za\u010dne spr\u00e1va\u0165 \u010dudne. V\u00e4\u010d\u0161inou sa\u00a0 jedn\u00e1 o probl\u00e9m zo starn\u00facimi kondenz\u00e1tormi. Oprava je jednoduch\u00e1 a je mo\u017en\u00e9 ju realizova\u0165 doma pri dodr\u017ean\u00ed jednoduch\u00fdch pravidiel.<\/p>\n<p><!--more--><\/p>\n<p>Kondenz\u00e1tory s\u00fa elektro s\u00fa\u010diastky ktor\u00e9 naj\u010dastej\u0161ie trpia probl\u00e9mom zo starnut\u00edm. Je to dan\u00e9 pou\u017eit\u00fdmi technol\u00f3giami.\u00a0 Elektrolytick\u00e9 kondenz\u00e1tory trpia vysychan\u00edm, keramick\u00e9 str\u00e1caj\u00fa kapacitu, a zvitkov\u00e9 praskaj\u00fa. Zoradenie je podla v\u00fdskytu.<\/p>\n<p>Rie\u0161en\u00edm ktor\u00fdm ni\u010d neskaz\u00edte je v\u00fdmena za nov\u0161ie a kvalitnej\u0161ie typy. Treba ale dba\u0165 na spr\u00e1vne typy:<\/p>\n<p><strong>Elektrolytick\u00e9<\/strong> odpor\u00fa\u010dam k\u00fapi\u0165 typy z vy\u0161\u0161ou tepelnou odolnos\u0165ou. Typy z n\u00edzkym ESR nemusia by\u0165 dobr\u00fdm rie\u0161en\u00edm m\u00f4\u017eu prive\u013emi za\u0165a\u017eova\u0165 zdroj \u010di stabiliz\u00e1tory pri zapnut\u00ed pr\u00edstroja. Treba dba\u0165 aby pracovn\u00e9 nap\u00e4tie kondenz\u00e1tora bolo rovnak\u00e9 alebo vy\u0161\u0161ie ako p\u00f4vodn\u00fdch. Tie\u017e je dobr\u00e9 aby boli aj rovnak\u00fdch rozmerov, hlavne rozte\u010d v\u00fdvodov.<\/p>\n<p><strong>Keramick\u00e9<\/strong> odpor\u00fa\u010dam k\u00fapi\u0165 z kvalitn\u00fdch materi\u00e1lov.\u00a0 Ide\u00e1lne NP0 \u010di C0G ktor\u00e9 s\u00fa nielen presn\u00e9 ale aj tepelne kompenzovan\u00e9. Z t\u00fdmto materi\u00e1lov sa vyr\u00e1baj\u00fa\u00a0 kondenz\u00e1tory do kapacity 100nF. Pre vy\u0161\u0161ie kapacity odpor\u00fa\u010dam, z \u013eahko zohnateln\u00fdch, materi\u00e1l X7R. <em>Pozn\u00e1mka: meno materi\u00e1lu ur\u010duje jeho vlastnosti. Nejak\u00e9 inform\u00e1cie napr <a title=\"Odkaz na Wikip\u00e9diu\" href=\"http:\/\/en.wikipedia.org\/wiki\/Ceramic_capacitor\">tu [EN]<\/a>.<\/em><\/p>\n<p><strong>Potrebn\u00e9 n\u00e1stroje<\/strong>: Pinzeta, ods\u00e1va\u010dka,\u00a0<a href=\"http:\/\/www.google.com\/search?q=ods\u00e1vac\u00ed+p\u00e1sik&amp;client=iceweasel-a&amp;rls=org.mozilla:en-US:unofficial&amp;channel=sb&amp;tbm=isch&amp;tbo=u&amp;source=univ&amp;sa=X&amp;ei=60eRVN--B8nuUti0hOAK&amp;ved=0CB4QsAQ&amp;biw=1280&amp;bih=900\">ods\u00e1vaci p\u00e1sik<\/a>, odporov\u00e1 p\u00e1jka z regul\u00e1ciou teploty, ihla.<\/p>\n<p><strong>Postup<\/strong>:<\/p>\n<p>Teplotu na p\u00e1jke nastav\u00edme \u010do najni\u017e\u0161iu pri ktorej sa c\u00edn e\u0161te dobre tav\u00ed ale neprepa\u013euje.\u00a0 Je to nutn\u00e9 z d\u00f4vodu ochrany meden\u00fdch pl\u00f4\u0161ok, Ktor\u00e9 vy\u0161\u0161ia teplota m\u00f4\u017ee odlepi\u0165. V pr\u00edpade v\u00fdvodov pripojen\u00fdch k zemn\u00fdm ploch\u00e1m bude asi teplotu zv\u00fd\u0161i\u0165, ke\u010f\u017ee dobre odv\u00e1dzaj\u00fa teplotu.<\/p>\n<p>Kondenz\u00e1tory z PCB nevyber\u00e1m ale ustrihnem, ich zni\u010denie nieje probl\u00e9m.\u00a0 A potom z pomocou ods\u00e1va\u010dky a pinzety v\u00fdvody vyberiem. Je to postup asi najcitlivej\u0161\u00ed k PCB. N\u00e1sledne diery vy\u010dist\u00edm pomocou ods\u00e1vac\u00edch p\u00e1sikov, pr\u00edpadne ihlou. <em>V pr\u00edpade v\u00fdvodov prisp\u00e1jkovan\u00fdch z oboch str\u00e1n PCB najprv jednu stranu zbav\u00edm c\u00ednu.<\/em><\/p>\n<p>Pri v\u00fdmene pou\u017e\u00edvam olovnat\u00fa sp\u00e1jku, m\u00e1 ni\u017e\u0161iu teplotu tavenia a bola pou\u017eit\u00e1 aj p\u00f4vodne.<\/p>\n<p><strong>Z\u00e1ver<\/strong>:<\/p>\n<p>Tak\u00e1to v\u00fdmena m\u00f4\u017ee dosta\u0165 zariadenie do lep\u0161ieho stavu ako bolo p\u00f4vodne. A to v\u010faka rozdielnej kvalite pou\u017eit\u00fdch komponentov. Ale ne\u010dakajte z\u00e1zraky. Chyby sp\u00f4soben\u00e9 zl\u00fdm n\u00e1vrhom PCB \u010di umiestnenia s\u00fa\u010diastok to nevyrie\u0161i. Existuj\u00fa mo\u017enosti ako to e\u0161te zlep\u0161i\u0165 ale tu nemus\u00ed vylo\u017een\u00e1 n\u00e1maha by\u0165 adekv\u00e1tna v\u00fdsledku.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ak sa zaober\u00e1te star\u0161\u00edmi po\u010d\u00edta\u010dmi sk\u00f4r \u010di neskor sa dostanete do situ\u00e1cie \u017ee sa zariadenie za\u010dne spr\u00e1va\u0165 \u010dudne. V\u00e4\u010d\u0161inou sa\u00a0 jedn\u00e1 o probl\u00e9m zo starn\u00facimi kondenz\u00e1tormi. Oprava je jednoduch\u00e1 a je mo\u017en\u00e9 ju realizova\u0165 doma pri dodr\u017ean\u00ed jednoduch\u00fdch pravidiel.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,3,5,13],"tags":[],"class_list":["post-1781","post","type-post","status-publish","format-standard","hentry","category-commodore","category-hw-a-sw","category-ostatne","category-zx81"],"_links":{"self":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/posts\/1781","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1781"}],"version-history":[{"count":1,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/posts\/1781\/revisions"}],"predecessor-version":[{"id":2637,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/posts\/1781\/revisions\/2637"}],"wp:attachment":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}