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...
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...