{"id":1070,"date":"2012-02-10T23:12:58","date_gmt":"2012-02-10T23:12:58","guid":{"rendered":"http:\/\/museonew.freaknet.org\/?p=1070"},"modified":"2025-08-29T15:41:31","modified_gmt":"2025-08-29T13:41:31","slug":"restauro-hewlett-packard-hp-64000","status":"publish","type":"post","link":"https:\/\/museo.freaknet.org\/it\/restauro-hewlett-packard-hp-64000\/","title":{"rendered":"Restauro Hewlett-Packard HP-64000"},"content":{"rendered":"<p>Il restauro di oggi e&#8217; il nostro splendido Hewlett-Packard HP-64000, che era esploso giorno 30 Dicembre durante la nostra &#8220;presentazione alle autorita&#8217;&#8221;: la fatica gioca brutti scherzi e, nel tentativo di avviare un test automatico, invece di spostare un microswitch, e&#8217; stato spostato il selettore 220V\/110V&#8230; c&#8217;e&#8217; stato un gran botto ed una fumata!<\/p>\n<p>Dapprima abbiamo pensato che bastasse sostituire il fusibile da 5 Ampere; successivamente abbiamo smontato la macchina per intero, in modo da risalire al guasto, recuperando il manuale tecnico del computer, comprensivo di schemi elettrici.<\/p>\n<p>L&#8217;alimentatore, che ad un controllo superficiale sembrava integro, aveva invece entrambi i varistori di protezione da 130V esplosi&#8230; dopo la sostituzione (che ha coinvolto anche alcuni condensatori, per sicurezza) e&#8217; tornato a funzionare perfettamente.\u00f9<\/p>\n<p>Con l&#8217;occasione abbiamo anche riparato alcuni tasti della tastiera e risolto altri problemi hardware. Questo computer ha l&#8217;estetica rovinata perche&#8217; un maldestro tentativo di pulizia del case esterno, effettuato con del comune sgrassatore, ha letteralmente sverniciato il computer! Sui sistemi Hewlett-Packard gli sgrassatori riescono a togliere la vernice, creando notevoli danni, quindi fate attenzione!<\/p>\n<div id='gallery-1' class='gallery galleryid-1070 gallery-columns-3 gallery-size-colormag-featured-image'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/museo.freaknet.org\/wp-content\/uploads\/2012\/06\/DSCN3353.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"445\" src=\"https:\/\/museo.freaknet.org\/wp-content\/uploads\/2012\/06\/DSCN3353-800x445.jpg\" class=\"attachment-colormag-featured-image size-colormag-featured-image\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/museo.freaknet.org\/wp-content\/uploads\/2012\/06\/DSCN3354.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"445\" 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class=\"attachment-colormag-featured-image size-colormag-featured-image\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/museo.freaknet.org\/wp-content\/uploads\/2012\/06\/DSCN3625.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"445\" src=\"https:\/\/museo.freaknet.org\/wp-content\/uploads\/2012\/06\/DSCN3625-800x445.jpg\" class=\"attachment-colormag-featured-image size-colormag-featured-image\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/museo.freaknet.org\/wp-content\/uploads\/2012\/06\/DSCN3626.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"445\" src=\"https:\/\/museo.freaknet.org\/wp-content\/uploads\/2012\/06\/DSCN3626-800x445.jpg\" class=\"attachment-colormag-featured-image size-colormag-featured-image\" alt=\"\" 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&#8220;presentazione<\/p>\n","protected":false},"author":1,"featured_media":1099,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[58,57],"tags":[],"class_list":["post-1070","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-attivita","category-news-2"],"_links":{"self":[{"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/posts\/1070","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/comments?post=1070"}],"version-history":[{"count":5,"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/posts\/1070\/revisions"}],"predecessor-version":[{"id":1102,"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/posts\/1070\/revisions\/1102"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/media\/1099"}],"wp:attachment":[{"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/media?parent=1070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/categories?post=1070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/museo.freaknet.org\/it\/wp-json\/wp\/v2\/tags?post=1070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}