Yamaha SY85 Battery Replacement Guide

Introduction: The Yamaha SY85 has an internal 3 Volt Lithium battery that keeps all the synthesizer settings, patches, performances and sequence memory intact when the unit is powered off. It also supplies standby power to any SYEMB06 memory modules you may have installed. If the battery voltage is low you could lose all your internal …
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Amiga 500 Zydec Superboard 1.5MB Refurbishment

Introduction: A few years ago I was lucky to snag an Amiga A500 Rev 6a on Gumtree. As the floppy drive was not working the seller bundled in a load of original games, an external drive, and a couple of Zipstiks – all for the price of £30. I was confident I could get the …
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Faulty Yamaha MCD-64 RAM Card

Back when I was offering the original MCD Sweet16 modification there were several MCD card owners who were having problems with their pre-modded MCD cards. As I was going to be “in there” anyway I would repair whatever the damage was whilst doing the Sweet16 modification. The owner would describe the behaviour as “just not …
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