{"id":153,"date":"2018-06-03T18:55:56","date_gmt":"2018-06-03T18:55:56","guid":{"rendered":"http:\/\/www.dabbler.dk\/?p=153"},"modified":"2019-06-09T14:48:50","modified_gmt":"2019-06-09T14:48:50","slug":"commodore-64-s-n-u-k-b1717794-repair-log-work-in-progress","status":"publish","type":"post","link":"https:\/\/www.dabbler.dk\/index.php\/2018\/06\/03\/commodore-64-s-n-u-k-b1717794-repair-log-work-in-progress\/","title":{"rendered":"Commodore 64 s\/n U.K.B1717794 Repair Log (Work In Progress)"},"content":{"rendered":"<p><em><strong>Do you have a defective \/ non working Commodore 64 breadbin?<\/strong><\/em><br \/>\n<em><strong>I probably want it!<br \/>\n<\/strong><\/em><em><strong>Make me an offer on <a href=\"mailto:gert@dabbler.dk\">gert@dabbler.dk<\/a> and state if you want to sell it or swap it for this working one (you will have to pay my costs in parts and shipping &#8211; but not my time) \ud83d\ude42<\/strong><\/em><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Purchased 22th August 2017 on eBay:<\/strong><\/p>\n<ul>\n<li>Breadbin: SER.NO.U.K.B1717794<\/li>\n<li>Motherboard: S\/N 938896, assy No. 250407, artwork no. 251137, rev. B. Made in Hong Kong<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Chips:<\/strong><\/p>\n<ul>\n<li>U1: CIA, MOS 6526, week 25, 1984<\/li>\n<li>U2: CIA, MOS 6526, week 19, 1984<\/li>\n<li>U3: BASIC ROM, MOS 901226-01, week 25, 1984<\/li>\n<li>U4: Kernal ROM, MOS 901227-03, week 24, 1984<\/li>\n<li>U5: Character ROM, MOS 901225-01 (no week and year)<\/li>\n<li>U6: Color RAM, MM2114N&nbsp;(no week and year)<\/li>\n<li>U7: CPU, MOS 6510, week 29, 1984<\/li>\n<li>U17: PLA, MOS 906114-01, week 22, 1984<\/li>\n<li>U18: SID, MOS 6581, week 25, 1984<\/li>\n<li>U19, VIC2, MOS 6569R2, week 25, 1984<\/li>\n<li>RAM, 8*Mitsubishi Electric M5K4164ANP<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Sellers description:<\/strong><\/p>\n<p>Commodore 64 keyboard.<br \/>\nNo other items with this.<br \/>\nI have confirmed the power light lights up when plugging my power pack in.<br \/>\n2 loose buttons, included. Can be glued back on.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Repair log:<\/strong><\/p>\n<ul>\n<li>4 loose buttons (F1, +, C= and Run\/Stop). Replaced plundgers<\/li>\n<li>Plastic screw holes for motherboard damaged. Repaired\/recreated\/strengthened with hot glue<\/li>\n<li>Cabinet screw holes damaged. Repaired\/recreated with hot glue<\/li>\n<li>F7\/F8 not working &#8211; broken trace on keyboard PCB repaired<\/li>\n<li>U25 (MOS7708, week 23, 1984) defective. Black screen but with video sync. Replaced with HD74LS257P. Board hard do desolder on because of corrosion, so damaged 3 tracks. Those repaired with wires.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Work in progress:<\/strong><\/p>\n<ul>\n<li>1 wobling button (V). Glue half broken plundger if possible &#8211; otherwise replace<\/li>\n<li>Cleaning<\/li>\n<li>re-capping motherboard\/RF-module<\/li>\n<li>Heatsinking larger MOS chips<\/li>\n<li>Overvoltage protection on motherboard (P6KE6.8CA)<\/li>\n<li>Build a PSU<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Costs (total DKK 800):<\/strong><\/p>\n<ul>\n<li>Breadbin: DKK 400,-<\/li>\n<li>Plundgers: DKK 75,-<\/li>\n<li>PSU (transformator, wire, connector): DKK 225,-<\/li>\n<li>Misc.: DKK 100,-<\/li>\n<\/ul>\n<p>Let me know if you will buy it for my costs when it is done \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do you have a defective \/ non working Commodore 64 breadbin? I probably want it! Make me an offer on gert@dabbler.dk and state if you want to sell it or swap it for this working one (you will have to pay my costs in parts and shipping &#8211; but not my time) \ud83d\ude42 &nbsp; Purchased &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.dabbler.dk\/index.php\/2018\/06\/03\/commodore-64-s-n-u-k-b1717794-repair-log-work-in-progress\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Commodore 64 s\/n U.K.B1717794 Repair Log (Work In Progress)&#8221;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":203,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,6],"tags":[14,13,15],"class_list":["post-153","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-commodore","category-hardware","tag-breadbin","tag-commodore-64","tag-repair-log"],"_links":{"self":[{"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/posts\/153","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/comments?post=153"}],"version-history":[{"count":4,"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/posts\/153\/revisions"}],"predecessor-version":[{"id":204,"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/posts\/153\/revisions\/204"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/media\/203"}],"wp:attachment":[{"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/media?parent=153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/categories?post=153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dabbler.dk\/index.php\/wp-json\/wp\/v2\/tags?post=153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}