r-100

  1. guy232

    Yam R-70 ('83) still sounds poor & imbalanced: voltages good after re-cap/reflows

    Service manual .pdf hosted: https://docdro.id/EbfVYvc I've been doing some work (details listed below) on my R-70 and learning quite a bit but it still sounds rather poor as it initially did, also the left channel is weaker. I've tested the device unloaded and all of the PS voltages are in...
  2. guy232

    '83 Yamaha R-70 Restoration - Novice First Project

    R-70 Service Manual: https://docdro.id/P9uWhrM Started this project with zero experience with electronics/repair. Did research via google, youtube & forum searches and bought the tools i'd need to re-cap the entire main PCB on this unit. A majority of the caps showed signs of...
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