{"id":109,"date":"2022-06-29T22:30:11","date_gmt":"2022-06-29T22:30:11","guid":{"rendered":"https:\/?p=109"},"modified":"2025-11-26T08:27:16","modified_gmt":"2025-11-26T08:27:16","slug":"trying-to-fix-a-battery-damaged-a500","status":"publish","type":"post","link":"https:\/\/timsretrocorner.com\/?p=109","title":{"rendered":"Trying to fix a Battery Damaged A500+"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"I Tried to Repair an A500 Plus: Here&#039;s What Happened....\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/eMsidOpYbPU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>The Amiga 500+ that came from Matt&#8217;s office (see last week&#8217;s video) did not power on. Actually that&#8217;s not strictly true; it did power on, but it didn&#8217;t boot. Instead it gave us a black screen and flashed the power LED in a particular sequence: 10 short, 1 long. So in this video we&#8217;re all about fixing the A500+.<\/p>\n\n\n\n<p>On opening up the Amiga we discovered a leaking Varta battery. This is not unusual &#8211; these things are notorious, and battery damage is not uncommon. But this machine wasn&#8217;t too bad. Some surface corrosion near the terminals, a capacitor would certainly need to be replaced, and a couple of IC pulled and checked.<\/p>\n\n\n\n<p>But even with the board cleaned, the traces checked and repaired, the damaged components replaced, it still wouldn&#8217;t boot. Something else was wrong. Could it be the CPU? The ROM? the outrageously expensive Agnus custom chip? We&#8217;re gonna have to diagnose the heck out of it&#8230;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Amiga 500+ that came from Matt&#8217;s office (see last week&#8217;s video) did not power on. Actually that&#8217;s not strictly true; it did power on, [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":110,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[34,27],"class_list":["post-109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amiga","tag-amiga","tag-repairs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Trying to fix a Battery Damaged A500+ - Tim&#039;s Retro Corner<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/timsretrocorner.com\/?p=109\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trying to fix a Battery Damaged A500+ - Tim&#039;s Retro Corner\" \/>\n<meta property=\"og:description\" content=\"The Amiga 500+ that came from Matt&#8217;s office (see last week&#8217;s video) did not power on. 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