{"id":107,"date":"2017-06-14T13:43:21","date_gmt":"2017-06-14T13:43:21","guid":{"rendered":"http:\/\/dummy.xtemos.com\/woodmart\/?page_id=107"},"modified":"2026-09-25T21:47:21","modified_gmt":"2026-09-25T21:47:21","slug":"blog","status":"publish","type":"page","link":"https:\/\/rancanuoteam.com\/en\/blog\/","title":{"rendered":"Blog"},"content":{"rendered":"
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Home<\/a>\/<\/span>Blog<\/strong><\/div>\n
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\nRancanuoTeam Engineering Journal<\/span>\n

Blog and Tutorials of Repair<\/h1>\n

Repair guides, published schematics, firmware, and R&D progress on the Z80 platform. Written by hardware engineers and documented board by board.<\/p>\n

\nVol. VIII \u00b7 2025<\/span>
\n12 plates tested<\/span>
\n29 published schemes<\/span>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Latest Entries<\/h2>\n
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11 de October de 2026<\/span>\u00b7<\/span>By Jose Antonio Solano<\/span><\/div>

Concurso SD81Booster: crea tu juego o bate el r\u00e9cord de Space Invaders<\/a><\/h3>

\u00a1Estamos preparando el primer concurso SD81Booster de RancanuoTeam! Queremos animar a la comunidad a seguir creando y disfrutando del ZX81. [\u2026]<\/p><\/div><\/article>

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16 de May de 2025<\/span>\u00b7<\/span>By Jose Antonio Solano<\/span><\/div>

How will the new SD81Booster be for ZX80 and ZX81<\/a><\/h3>

SD81Booster expands ZX80 and ZX81 with microSD, 512 KB of paged RAM, AY sound, and expanded graphics without losing compatibility with the\u2026<\/p><\/div><\/article>

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16 de November de 2024<\/span>\u00b7<\/span>By Jose Antonio Solano<\/span><\/div>

Tutorial repair ZX Spectrum 48K by Manuel Cuenca. First steps to repair your ZX Spectrum. First and second part<\/a><\/h3>

First steps to diagnose your ZX Spectrum 48K with the help of Manuel Cuenca: power supply, connection, types of board and measurement of\u2026<\/p><\/div><\/article>

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7 de June de 2024<\/span>\u00b7<\/span>By rancanuoteam<\/span><\/div>

Everything you need to know about your ZX-Usb. News and updates.<\/a><\/h3>

Reference post of the ZX-Usb: user guides, first video review, initial pack and game patches for Next\/N-Go available for\u2026<\/p><\/div><\/article>

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19 de January de 2024<\/span>\u00b7<\/span>By rancanuoteam<\/span><\/div>

Repair of the Acorn BBC and the history of Acorn with Sinclair and Amstrad CPC<\/a><\/h3>

Manuel Cuenca repairs an Acorn BBC and reviews the history of Acorn: from the BBC Micro to the rivalry between Sinclair and\u2026<\/p><\/div><\/article>

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2 de November de 2023<\/span>\u00b7<\/span>By rancanuoteam<\/span><\/div>

ZX-Usb a very special peripheral for your ZX-Spectrum & N-GO\/NEXT.<\/a><\/h3>

The ZX-Usb connects modern USB controllers, keyboards, and up to 16 configurable buttons to your ZX Spectrum. Project by MAD3001 adapted by RancanuoTeam.<\/p><\/div><\/article><\/div><\/div>\n<\/section>\n

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\nFilter: Chronological \u00b7 Complete guides<\/span>\n

Guide to Repairing ZX Spectrum 48K<\/h2>\n

Diagnosis of voltage lines (-5V, +12V, +5V), low RAM failures, and replacement of faulty components. Medium \/ Advanced Difficulty \u00b7 12 min reading.<\/p>\n

Read the guide chevron_right<\/span><\/a>\n<\/p><\/div>\n

\nPremiere R&D \u00b7 Z80 Bus<\/span>\n

SD81Booster: Synchronous Z80 bus + Direct Micro-SD SPI<\/h2>\n

Massive storage and latency-free RAM for ZX80 \/ ZX81 without modifying the ULA. Hardware Preservation \u00b7 10 min reading.<\/p>\n

See the preview chevron_right<\/span><\/a>\n<\/p><\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Inicio\/Blog RancanuoTeam Engineering Journal Blog y Tutoriales de Reparaci\u00f3n Gu\u00edas de reparaci\u00f3n, esquemas publicados, firmware y avances de I+D sobre […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[],"footnotes":""},"class_list":["post-107","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/rancanuoteam.com\/wp-json\/wp\/v2\/pages\/107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rancanuoteam.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/rancanuoteam.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/rancanuoteam.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rancanuoteam.com\/wp-json\/wp\/v2\/comments?post=107"}],"version-history":[{"count":10,"href":"https:\/\/rancanuoteam.com\/wp-json\/wp\/v2\/pages\/107\/revisions"}],"predecessor-version":[{"id":9308,"href":"https:\/\/rancanuoteam.com\/wp-json\/wp\/v2\/pages\/107\/revisions\/9308"}],"wp:attachment":[{"href":"https:\/\/rancanuoteam.com\/wp-json\/wp\/v2\/media?parent=107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}