Sharp GF-777 Restoration 夏普GF-777翻新 August 23, 2022August 23, 2022 by ryanzheng I restored a Sharp GF-777, replacing all belts and friction wheels, and the pinch roller
Alesis M1 Active MK2 Repair 维修记录 July 26, 2022July 26, 2022 by ryanzheng Repairing a pair of classic Alesis monitor speakers 维修一对经典的Alesis监听音箱
Roland XP-80 Repair 罗兰XP-80合成器维修 July 21, 2022July 22, 2022 by ryanzheng A Roland XP-80 synthesizer repair writeup